MARK EARL GROSSNICKLE MD
NPI 1942281076
Radiology - Diagnostic Radiology in Macon, GA

Q: What is Mark Grossnickle's NPI number?

The NPI number for Mark Grossnickle is 1942281076. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Q: What is Mark Grossnickle'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 Mark Grossnickle was last updated on July 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 November 07, 2005PECOS EnrolledAccepts Medicare Assignment

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT, MACON, GA 31201(478) 743-1458(478) 755-1332 Get Directions Write a Review

NPPES record last updated: July 3, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mark Earl Grossnickle Md NPPES

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

MARK EARL GROSSNICKLE MD (NPI 1942281076) is an individual diagnostic radiology provider in Macon, Georgia, licensed in Georgia (35435) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Atrium Health Navicent The Medical Center, and is a graduate of Duke University School Of Medicine (1988).

NPPES Registry Identity

NPI1942281076

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMARK EARL GROSSNICKLECredential: MD

Location Address770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENTMacon, GA 31201-7516

Mailing Address770 Pine St Ste 290, Attn: Radiology DepartmentMacon, GA 31201-7516 · (478) 743-1458 · Fax (478) 755-1332

Phone(478) 743-1458

Fax(478) 755-1332

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1988

Enumeration DateNovember 7, 2005

Last NPPES UpdateJuly 3, 2014

✔ NPI 1942281076 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 GA · 35435

Definition

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

770 PINE ST STE 290, Macon, GA 31201

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Other Identifiers 3

Medicare UPINF56761

Medicaid000542924CGA

Medicare PIN30BDHFLGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Earl Grossnickle 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 ID6305744111

PECOS Enrollment IDI20031230000508

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.

Areas of Expertise CMS Part B claims 31

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, 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.

858 services49 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.

334 services303 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.

232 services223 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.

93 services92 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.

81 services81 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.

57 services56 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.

53 services52 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.

47 services46 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

46 services46 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.

46 services46 patients

Mri scan of brain before and after contrast 70553

44 services42 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 services39 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.

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.

29 services29 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.

25 services25 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.

23 services23 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.

23 services23 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.

22 services22 patients

X-ray of chest, 2 views 71046

21 services21 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.

18 services18 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.

18 services17 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.

16 services16 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.

16 services16 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.

15 services15 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.

13 services13 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

13 services12 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

13 services13 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.

12 services11 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.

12 services12 patients

Mri scan of lower spinal canal without contrast 72148

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Atrium Health Navicent The Medical Center

Acute Care Hospitals · Macon, GA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number110107

Location777 Hemlock StreetMacon, GA 31201 · Bibb County

Emergency services Birthing friendly

Navicent Health Baldwin

Acute Care Hospitals · Milledgeville, GA

1/5 CMS rating

OwnershipProprietary

CMS Certification Number110150

Location821 North Cobb StreetMilledgeville, GA 31061 · Baldwin County

Emergency services Birthing friendly

Coliseum Medical Centers, LLC, Dba

Acute Care Hospitals · Macon, GA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110164

Location350 Hospital DriveMacon, GA 31217 · Bibb County

Emergency services Birthing friendly

Piedmont Macon North Hospital

Acute Care Hospitals · Macon, GA

4/5 CMS rating

OwnershipProprietary

CMS Certification Number110201

Location400 Charter BoulevardMacon, GA 31210 · Bibb County

Emergency services

Atrium Health Navicent Peach

Critical Access Hospitals · Byron, GA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number111310

Location1960 Highway 247 ConnectorByron, GA 31008 · Peach County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31201 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

$83.23 typical visit price

range $53.31 – $164.04

Typical copayment $20.80 (range $13.32 – $41.01)

Most-billed visit code 99203

Established Patient

$66.89 typical visit price

range $16.68 – $133.24

Typical copayment $16.72 (range $4.17 – $33.31)

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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

98%420 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%46 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

BRADLEY ALAN EBEL DO

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

MURRAY CHARLES RELF MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

THOMAS FRANKLIN GLASS III MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

RILEY ANN EUBANK PA-C

Physician Assistant

770 PINE ST STE 290
MACON, GA 31201

Bibb County (386) 984-2592

CAROL LYNN COLLINGS MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

CHARLES DENNIS KELLUM MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

ARTHUR HAMILTON MCCAIN MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

LARRY ARTHUR SCHWARTZ JR. MD

Radiology (Diagnostic Radiology)

770 PINE ST STE 290, ATTN: RADIOLOGY DEPARTMENT
MACON, GA 31201

Bibb County (478) 743-1458

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 Mark Grossnickle's NPI number?

The NPI number for Mark Grossnickle is 1942281076. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Mark Grossnickle located?

Mark Grossnickle practices at 770 Pine St Ste 290 Attn: Radiology Department, Macon, GA 31201. The listed phone number is (478) 743-1458.

What is Mark Grossnickle's specialty?

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

Is Mark Grossnickle enrolled in Medicare?

Yes. Mark Grossnickle 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.

What insurance does Mark Grossnickle accept?

Health plans from Alliant Health Plans, Inc. list Mark Grossnickle 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 Mark Grossnickle affiliated with any hospitals?

According to CMS data, Mark Grossnickle is affiliated with Atrium Health Navicent The Medical Center, Navicent Health Baldwin, Coliseum Medical Centers, LLC, Dba, Piedmont Macon North Hospital and Atrium Health Navicent Peach.

When was this NPI record last updated?

The NPPES record for Mark Grossnickle was last updated on July 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.