John Alan Gambril, MD
Internal Medicine Physician · Birmingham, AL
John Alan Gambril, MD is an internal medicine physician with a practice address in Birmingham, Alabama, and NPI 1538796909, issued on Mar 25, 2020. Check the license on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Alan Gambril
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 57.249197 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1808 7TH Avenue South Boshell Diabetes Building 201, Birmingham, AL 35294
- Phone
- (205) 934-0820
- Enumerated
- Mar 25, 2020
- Record last updated
- Jun 25, 2024
- Fax
- (205) 975-8568
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Verify John Alan Gambril in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
70 Medicare Part D claims for 23 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of 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.
Industry payments in 2024: $269.85
1 payment: education; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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.
John Alan Gambril among 1,705 internal medicine physician records in Alabama
John Alan Gambril, MD is one of 1,705 internal medicine physician records with a practice address in Alabama. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
487 internal medicine physician records list a practice address in Birmingham
They are 487 of the 15,795 NPPES records with a practice address in Birmingham, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Birmingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Meghan Black, MDBirmingham, AL 352941932547148
- Rachel HonanBirmingham, AL 352941528696580
- Arpit Khandelwal, M.D.Birmingham, AL 352941609281435
- Tylan Magnusson, MDBirmingham, AL 352941437619517
- Scott Rottinghaus, M.D.Birmingham, AL 352941184730582
- Stacy Williams, CRNPBirmingham, AL 352941538688742
- Lynn Crawford, MDBirmingham, AL 352551134280274
- John Holcombe, MDBirmingham, AL 352551386671501
Common questions
What is John Alan Gambril, MD's NPI number?
John Alan Gambril, MD's National Provider Identifier (NPI) is 1538796909, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Alan Gambril, MD located?
The NPPES record lists a practice address at 1808 7TH Avenue South Boshell Diabetes Building 201, Birmingham, AL, 35294. Phone: (205) 934-0820. Providers update this record themselves, so call before visiting.
How can I verify John Alan Gambril, MD's license?
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 John Alan Gambril, MD prescribe under Medicare Part D?
In 2024, John Alan Gambril, MD had 70 Medicare Part D claims for 23 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.