DR. GREGORY S SHIELDS MD
NPI 1013975895
Radiology - Diagnostic Radiology in Buffalo, NY

Q: What is Gregory Shields's NPI number?

The NPI number for Gregory Shields is 1013975895. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Q: What is Gregory Shields's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Shields was last updated on May 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 02, 2006PECOS EnrolledAccepts Medicare Assignment

95.7/100

CMS Quality Rating

100 HIGH ST, BUFFALO, NY 14203(716) 859-2954(716) 859-2962 Get Directions Write a Review

NPPES record last updated: May 6, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Gregory S Shields Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY S SHIELDS MD (NPI 1013975895) is an individual diagnostic radiology provider in Buffalo, New York, licensed in New York (234818) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Kenmore Mercy Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (1997).

NPPES Registry Identity

NPI1013975895

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. GREGORY S SHIELDSCredential: MD

Location Address100 HIGH STBuffalo, NY 14203-1126

Mailing AddressPo Box 1368Williamsville, NY 14231-1368 · (716) 859-2954 · Fax (716) 859-2962

Phone(716) 859-2954

Fax(716) 859-2962

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1997

Enumeration DateMay 2, 2006

Last NPPES UpdateMay 6, 2008

✔ NPI 1013975895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in NY · 234818

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

100 HIGH ST, Buffalo, NY 14203

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Other Identifiers 23

OtherP020234818Blue Shield Rochester

OtherP00209389Rr Medicare

Other000528027001Blue Shield Wny

Other000528027007Blue Shield Wny

Other0142859Ghi

Medicare PINRB3891

Other00027018401Univera

Other00027018405Univera

OtherP00196037Rr Medicare

Other00027018407Univera

Other1612805Independent Health

Other2348183WNY · Workers Compensation

Medicaid02625074NY

Other000528027005Blue Shield Wny

Other4193669Ghi

Medicare PINRB2810

Other195358FFPreferred Care

OtherP040234818Blue Shield Rochester

Other050901000062Fidelis

Medicare PINRA6181

Medicare PINRA5932NY

OtherP010234818Blue Choice

Medicare UPINH70607NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory S Shields Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406800457

PECOS Enrollment IDI20050311000637

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gregory Shields reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Trinity Medical Wny PC

0.8 mi

Internal Medicine

144 GENESSE STREET
Buffalo, NY 14203

Reassigned Medicare billing, New York enrollment
332 clinicians in this Medicare group

NPI 1295043149 (716) 206-1503

Windsong Radiology Group, P C

8.8 mi

Diagnostic Radiology

55 SPINDRIFT DR
Williamsville, NY 14221

Reassigned Medicare billing, New York enrollment
26 clinicians in this Medicare group

NPI 1821048562 (716) 631-2500

Niagara Frontier Radiologic Associates PC

19 mi

Diagnostic Radiology

5300 MILITARY RD
Lewiston, NY 14092

Reassigned Medicare billing, New York enrollment
19 clinicians in this Medicare group

NPI 1225120850 (716) 297-4800

Western New York Medical Practice PC

39 mi

Obstetrics & Gynecology

121 S MAIN ST
Warsaw, NY 14569

Reassigned Medicare billing, New York enrollment
1,030 clinicians in this Medicare group

NPI 1306214689 (585) 786-8350

Olean Radiology, PC

60 mi

Diagnostic Radiology

515 MAIN ST, OLEAN GENERAL HOSPITAL
Olean, NY 14760

Reassigned Medicare billing, New York enrollment
74 clinicians in this Medicare group

NPI 1700829850 (315) 782-2620

Rochester General Hospital

62 mi

Family Medicine

181 LOMB MEMORIAL DR
Rochester, NY 14623

Reassigned Medicare billing, New York enrollment
2,285 clinicians in this Medicare group

NPI 1174990303 (585) 922-3100

Upstate Radiology, PC

165 mi

Specialist

1116 ARSENAL ST STE 504
Watertown, NY 13601

Reassigned Medicare billing, New York enrollment
23 clinicians in this Medicare group

NPI 1508241878 (315) 782-2669

St Lawrence Radiology Assoc PC

230 mi

Diagnostic Radiology

50 LEROY ST, CANTON POTSDAM HOSPITAL
Potsdam, NY 13676

Reassigned Medicare billing, New York enrollment
46 clinicians in this Medicare group

NPI 1154380863 (315) 782-2620

Riverside Radiology And Interventional Associates Inc

293 mi

Diagnostic Radiology

3525 OLENTANGY RIVER RD, STE 5360
Columbus, OH 43214

Reassigned Medicare billing, New York enrollment
8 clinicians in this Medicare group

NPI 1093718496 (614) 340-7747

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 63

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

4,350 services24 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

350 services305 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

211 services195 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

185 services167 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

101 services100 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

97 services97 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

97 services97 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

92 services91 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

86 services62 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

79 services78 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

77 services67 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

72 services69 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

68 services67 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

67 services57 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

54 services54 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

47 services45 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

47 services41 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

47 services33 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

43 services36 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

39 services38 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

37 services35 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

34 services34 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

34 services34 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

33 services32 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

30 services27 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

29 services28 patients

Mri scan of lower spinal canal without contrast 72148

29 services29 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

29 services26 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

28 services28 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

26 services26 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

26 services26 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

25 services24 patients

Mri scan of leg joint without contrast 73721

25 services23 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

24 services24 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

24 services24 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

23 services20 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

22 services22 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

22 services22 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

20 services20 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

19 services19 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

19 services19 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

18 services16 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

18 services16 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

18 services17 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

18 services18 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

18 services18 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

16 services16 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

16 services15 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

16 services15 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

16 services16 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

15 services15 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

15 services13 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

15 services14 patients

X-ray of ribs on side of body, minimum of 3 views 71101

This is a diagnostic procedure where a machine emits a small amount of radiation to capture images of your ribs from at least three different angles. It helps to identify issues like fractures or infections. It's a quick, painless process.

14 services14 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

14 services14 patients

Ct scan of leg without contrast 73700

14 services13 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

13 services12 patients

Mri scan of upper spinal canal without contrast 72141

12 services12 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

12 services12 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

12 services12 patients

X-ray lower and sacral spine, minimum of 6 views 72114

An X-ray of the lower and sacral spine involves capturing images of the bones in your lower back and tailbone area. It helps to identify issues like fractures, infections, or degenerative diseases. A minimum of 6 views ensures a comprehensive examination.

11 services11 patients

X-ray of both hips, minimum of 5 views 73523

An X-ray of both hips with a minimum of 5 views is a non-invasive imaging test. It uses a small amount of radiation to produce images of the hip joints from different angles. This aids in diagnosing conditions such as fractures, arthritis, or other hip abnormalities.

11 services11 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330102

Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County

Emergency services

Mount St. Mary's Hospital & Health Center

Acute Care Hospitals · Lewiston, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330188

Location5300 Military RoadLewiston, NY 14092 · Niagara County

Emergency services Birthing friendly

Blanchard Valley Hospital

Acute Care Hospitals · Findlay, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360095

Location1900 South Main StreetFindlay, OH 45840 · Hancock County

Birthing friendly

Marietta Memorial Hospital

Acute Care Hospitals · Marietta, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360147

Location401 Matthew StreetMarietta, OH 45750 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.57 typical visit price

range $17.54 – $136.14

Typical copayment $17.14 (range $4.38 – $34.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.7/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

84.88

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. DENISE MARIE DONAHUE NURSE PRACTITIONER

Nurse Practitioner

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-5600

GENERAL PHYSICIAN SUB II PLLC

Specialist

100 HIGH ST, RM C421
BUFFALO, NY 14203

Erie County (716) 859-7607

DR. MATTHEW KYLE MOSER MD

Student in an Organized Health Care Education/Training Program

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 218-1000

MIAN MOHAMMAD HAMMAS MD

Hospitalist

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-5600

DR. GUY SHEMESH DUNETZ MD

Student in an Organized Health Care Education/Training Program

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-5600

JILL FRASCO DO

Student in an Organized Health Care Education/Training Program

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-5600

THOMAS WILLIAM JORDAN D.O.

Emergency Medicine

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-1993

KIM HUBER

Registered Nurse (Registered Nurse First Assistant)

100 HIGH ST
BUFFALO, NY 14203

Erie County (716) 859-2741

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Shields's NPI number?

The NPI number for Gregory Shields is 1013975895. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Gregory Shields located?

Gregory Shields practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 859-2954.

What is Gregory Shields's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gregory Shields enrolled in Medicare?

Yes. Gregory Shields is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gregory Shields's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Shields reassigns Medicare benefits to 9 organizations: Trinity Medical Wny PC (Buffalo, NY), Windsong Radiology Group, P C (Williamsville, NY), Niagara Frontier Radiologic Associates PC (Lewiston, NY), Western New York Medical Practice PC (Warsaw, NY), Olean Radiology, PC (Olean, NY) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Shields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Shields accept?

Health plans from CareSource list Gregory Shields as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Shields affiliated with any hospitals?

According to CMS data, Gregory Shields is affiliated with Kenmore Mercy Hospital, Mount St. Mary's Hospital & Health Center, Blanchard Valley Hospital and Marietta Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Shields was last updated on May 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.