Gregory Douglas Chapman, MD
Cardiovascular Disease Physician · Alabaster, AL
Gregory Douglas Chapman, MD is a cardiovascular disease physician with a practice address in Alabaster, Alabama, and NPI 1588641070, issued on Dec 27, 2005. Check the license (Alabama 16442, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory Douglas Chapman
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 16442 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1022 1St St N, Alabaster, AL 35007
- Phone
- (205) 663-5775
- Enumerated
- Dec 27, 2005
- Record last updated
- Jun 29, 2023
- Fax
- (205) 664-2112
- Medicaid ID
- 051518816 AL
- Medicare enrollment
- Enrolled (PECOS I20040127000874); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 311 in Alabama → Look up another NPI →
Also registered at 1022 1St St N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abilash Balmuri, M.DHospitalist Physician1912107541
- Stephen Brawner, MDDiagnostic Radiology Physician1447200506
- Clayton Buie, M.D.Pediatrics Physician1356331466
- Callie Cichra, FNP-CFamily Nurse Practitioner1619434818
- Annette Cosgrove, M.D.Pediatrics Physician1093820359
- Jacqueline Duke, C.R.N.P.Nurse Practitioner1831125848
Verify Gregory Douglas Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 16442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,763 Medicare Part D claims for 870 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Rosuvastatin Calcium610 claims
- Atorvastatin Calcium543 claims
- Eliquis428 claims
- Metoprolol Succinate423 claims
- Losartan Potassium312 claims
- Amlodipine Besylate288 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 MIPS final score for 2023 (Medicare payment program): 96.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $120.14
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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
- University OF Alabama Health Services Foundation, PCBirmingham, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Douglas Chapman among 311 cardiovascular disease physician records in Alabama
Gregory Douglas Chapman, MD is one of 311 cardiovascular disease physician records with a practice address in Alabama. 86% 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, 79% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1985 · median 1995 among the 221 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 cardiovascular disease physician records list a practice address in Alabaster
They are 9 of the 433 NPPES records with a practice address in Alabaster, and 311 cardiovascular disease physician records in Alabama.
All 311 in Alabama → Every provider in Alabaster → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Clyde Elliott, MDAlabaster, AL 350071124005673
- David Fieno, M.D., PH.D.Alabaster, AL 350071518189182
- Krishna Gaddam, M.DAlabaster, AL 350071770608630
- John McBrayer, MDAlabaster, AL 350071508843061
- Neeraj Mehta, MDAlabaster, AL 350071003029869
- Mark Mullens, MDAlabaster, AL 350071114904679
- Hosakote Nagaraj, MDAlabaster, AL 350071578510087
- Clifton Vance, M.D.Alabaster, AL 350071649378365
Common questions
What is Gregory Douglas Chapman, MD's NPI number?
Gregory Douglas Chapman, MD's National Provider Identifier (NPI) is 1588641070, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Douglas Chapman, MD located?
The NPPES record lists a practice address at 1022 1St St N, Alabaster, AL, 35007. Phone: (205) 663-5775. Providers update this record themselves, so call before visiting.
How can I verify Gregory Douglas Chapman, MD's license?
NPPES lists Alabama license number 16442, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Douglas Chapman, MD prescribe under Medicare Part D?
In 2024, Gregory Douglas Chapman, MD had 5,763 Medicare Part D claims for 870 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregory Douglas Chapman, MD's MIPS final score?
The 2023 MIPS final score is 96.2 of 100. 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.