DR. GREGORY NEVSKY M.D.
NPI 1891993325
Radiology - Diagnostic Radiology in Brewster, NY

Q: What is Gregory Nevsky's NPI number?

The NPI number for Gregory Nevsky is 1891993325. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Q: What is Gregory Nevsky'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 Nevsky was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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 July 05, 2007PECOS EnrolledAccepts Medicare Assignment

3839 DANBURY RD, BREWSTER, NY 10509(845) 278-6200(845) 278-1613 Get Directions Write a Review

NPPES record last updated: June 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 13, 2025, Mar 31, 2016 (2 updates tracked since 2016).

On this page

About Dr. Gregory Nevsky M.d. NPPES

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

DR. GREGORY NEVSKY M.D. (NPI 1891993325) is an individual diagnostic radiology provider in Brewster, New York, licensed in New York (253980) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Hartford, and is a graduate of New York University School Of Medicine (2006).

NPPES Registry Identity

NPI1891993325

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. GREGORY NEVSKYCredential: M.D.

Location Address3839 DANBURY RDBrewster, NY 10509-5412

Mailing Address3839 Danbury RdBrewster, NY 10509-5412 · (845) 278-6200 · Fax (845) 278-1613

Phone(845) 278-6200

Fax(845) 278-1613

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2006

Enumeration DateJuly 5, 2007

Last NPPES UpdateJune 13, 20252 updates tracked since enumeration

NPPES CertifiedJune 13, 2025

✔ NPI 1891993325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in NY · 253980✔ Licensed in CT · 52115

Definition

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

3839 DANBURY RD, Brewster, NY 10509

Open in Google Maps ↗

Secondary Practice Location 1

Location 1114 Woodland StHartford, CT 06105-1208 · Phone (203) 426-3002

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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 Nevsky M.d. 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 ID8527218965

PECOS Enrollment IDI20130806000218

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 Nevsky reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northeast Radiology PC

Same address

Diagnostic Radiology

3839 DANBURY RD
Brewster, NY 10509

Reassigned Medicare billing, New York and Connecticut enrollments
Also billed through NPI 1356813505 (Connecticut)
8 clinicians in this Medicare group

NPI 1134118607 (845) 278-6200

Specialty Imaging Associates, LLC

8.1 mi

Diagnostic Radiology

2 RIVERVIEW DRIVE, SUITE 104
Danbury, CT 06810

Reassigned Medicare billing, Connecticut enrollment
23 clinicians in this Medicare group

NPI 1003804709 (203) 426-3002

Danbury Radiological Associates, PC

8.8 mi

Diagnostic Radiology

24 HOSPITAL AVE
Danbury, CT 06810

Reassigned Medicare billing, Connecticut enrollment
39 clinicians in this Medicare group

NPI 1639164106 (203) 739-7532

Diagnostic Imaging Of Southbury

18 mi

Radiology

385 MAIN ST SOUTH, NVRA UNION SQUARE BLDG 2
Southbury, CT 06488

Reassigned Medicare billing, Connecticut enrollment
22 clinicians in this Medicare group

NPI 1245252824 (203) 264-7999

Premier Imaging LLC

20 mi

Diagnostic Radiology

34 MAPLE ST
Norwalk, CT 06850

Reassigned Medicare billing, Connecticut enrollment
60 clinicians in this Medicare group

NPI 1760087027 (203) 426-3002

Connecticut Orthopaedic Specialists, PC

28 mi

Physical Therapist

258 BROAD ST
Milford, CT 06460

Reassigned Medicare billing, Connecticut enrollment
146 clinicians in this Medicare group

NPI 1205058922 (203) 882-5632

Advanced Imaging Specialists, LLC

52 mi

Diagnostic Radiology

114 WOODLAND ST
Hartford, CT 06105

Reassigned Medicare billing, Connecticut enrollment
56 clinicians in this Medicare group

NPI 1689429078 (203) 426-3002

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 33

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

4,366 services51 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.

601 services601 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.

601 services601 patients

Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml A9579

This is an MRI procedure where a gadolinium-based contrast agent is injected into your body. The agent enhances the images, making it easier to detect abnormalities. It's safe and side effects are rare. It's administered per milliliter as needed.

593 services33 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.

144 services144 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.

143 services139 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.

96 services93 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.

90 services90 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.

87 services87 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.

73 services70 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.

64 services61 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.

53 services51 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.

51 services50 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.

48 services48 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.

30 services30 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.

29 services29 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.

28 services28 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.

27 services27 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.

26 services26 patients

Mri scan of leg without contrast 73718

An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.

23 services22 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

22 services21 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.

18 services16 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

15 services15 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.

14 services14 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.

14 services12 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

13 services13 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

13 services13 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.

12 services12 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.

12 services12 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.

12 services12 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.

12 services12 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

12 services12 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10509 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

$95.99 typical visit price

range $61.88 – $187.05

Typical copayment $23.99 (range $15.47 – $46.76)

Most-billed visit code 99203

Established Patient

$76.88 typical visit price

range $19.92 – $151.94

Typical copayment $19.22 (range $4.98 – $37.98)

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.

Other Providers at the Same Location NPPES 7

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

LOUIS A PEREZ MD

Radiology (Vascular & Interventional Radiology)

3839 DANBURY RD
BREWSTER, NY 10509

Putnam County (845) 278-6200

NORTHEAST RADIOLOGY PC

Radiology (Diagnostic Radiology)

3839 DANBURY RD
BREWSTER, NY 10509

Putnam County (845) 278-6200

KEI DOI MD PHD

Radiology (Diagnostic Radiology)

3839 DANBURY RD, NORTHEAST RADIOLOGY
BREWSTER, NY 10509

Putnam County (845) 278-6200

SOFIYA GREENBERG M.D.

Radiology (Diagnostic Radiology)

3839 DANBURY RD
BREWSTER, NY 10509

Putnam County (845) 278-6200

HOWARD LEE MD

Radiology (Diagnostic Radiology)

3839 DANBURY RD
BREWSTER, NY 10509

Putnam County (845) 278-6200

MARK GLICKLICH MD

Radiology (Vascular & Interventional Radiology)

3839 DANBURY RD
BREWSTER, NY 10509

Putnam County (845) 278-6200

PETER N WAXMAN MD

Radiology (Neuroradiology)

3839 DANBURY RD, NORTHEAST RADIOLOGY
BREWSTER, NY 10509

Putnam County (845) 278-6200

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 Nevsky's NPI number?

The NPI number for Gregory Nevsky is 1891993325. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Where is Gregory Nevsky located?

Gregory Nevsky practices at 3839 Danbury Rd, Brewster, NY 10509. The listed phone number is (845) 278-6200.

What is Gregory Nevsky's specialty?

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

Is Gregory Nevsky enrolled in Medicare?

Yes. Gregory Nevsky 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 Nevsky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Nevsky reassigns Medicare benefits to 7 organizations: Northeast Radiology PC (Brewster, NY), Specialty Imaging Associates, LLC (Danbury, CT), Danbury Radiological Associates, PC (Danbury, CT), Diagnostic Imaging Of Southbury (Southbury, CT), Premier Imaging LLC (Norwalk, CT) and 2 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 Nevsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Nevsky accept?

Health plans from Anthem Blue Cross and Blue Shield list Gregory Nevsky 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.

When was this NPI record last updated?

The NPPES record for Gregory Nevsky was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.