Gregory A. Parker, MD
Family Medicine Physician · Columbus, GA
Gregory A. Parker, MD is a family medicine physician with a practice address in Columbus, Georgia, and NPI 1851392575, issued on Aug 3, 2005. Check the license (Georgia 031305, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Parker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 031305 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3934 Woodruff RD, Columbus, GA 31904
- Phone
- (706) 322-0304
- Enumerated
- Aug 3, 2005
- Record last updated
- Feb 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (706) 327-0870
- Medicare enrollment
- Enrolled (PECOS I20080912000531); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,951 in Georgia → Look up another NPI →
Also registered at 3934 Woodruff RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory A. Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 031305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average family medicine physician in 2024
12,463 Medicare Part D claims for 857 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 417 claims were for opioids.
Most prescribed
- Levothyroxine Sodium562 claims
- Amlodipine Besylate406 claims
- Alprazolam390 claims
- Atorvastatin Calcium353 claims
- Omeprazole277 claims
- Hydrochlorothiazide276 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,837.18
101 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Horizons Diagnostics, L.L.C.Columbus, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory A. Parker among 3,951 family medicine physician records in Georgia
Gregory A. Parker, MD is one of 3,951 family medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2005 among the 2,542 with a school on file
- Record last updated2012 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
172 family medicine physician records list a practice address in Columbus
They are 172 of the 5,517 NPPES records with a practice address in Columbus, and 3,951 family medicine physician records in Georgia.
All 3,951 in Georgia → Every provider in Columbus → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eunice Ampiaw, MDColumbus, GA 319041962499137
- Robert Bush, MDColumbus, GA 319041952302481
- Henry Carroll, MDColumbus, GA 319041336140334
- Jerry Chase, MDColumbus, GA 319041114908365
- Linda Chin, M.D.Columbus, GA 319041780665208
- Ronald Hudson, MDColumbus, GA 319041548257611
- Linda Moore, MDColumbus, GA 319041134116106
- Yashvant Patel, MDColumbus, GA 319041760483481
Common questions
What is Gregory A. Parker, MD's NPI number?
Gregory A. Parker, MD's National Provider Identifier (NPI) is 1851392575, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Parker, MD located?
The NPPES record lists a practice address at 3934 Woodruff RD, Columbus, GA, 31904. Phone: (706) 322-0304. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Parker, MD's license?
NPPES lists Georgia license number 031305, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory A. Parker, MD prescribe under Medicare Part D?
In 2024, Gregory A. Parker, MD had 12,463 Medicare Part D claims for 857 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Gregory A. Parker, MD's MIPS final score?
The 2023 MIPS final score is 85.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.