Gary G. Allen, M.D,
Internal Medicine Physician · Enterprise, AL
Gary G. Allen, M.D, is an internal medicine physician with a practice address in Enterprise, Alabama, and NPI 1972596849, issued on Aug 25, 2005. Check the license (Alabama 11425, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary G. Allen
- Credential
- M.D,
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 11425 AL
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Brunson St, Enterprise, AL 36330
- Phone
- (334) 393-3686
- Enumerated
- Aug 25, 2005
- Record last updated
- Dec 2, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (334) 393-3686
- Medicaid ID
- 000036206 AL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 101 E Brunson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary G. Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 11425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
689 Medicare Part D claims for 115 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Levothyroxine Sodium30 claims
- Potassium Chloride24 claims
- Pantoprazole Sodium22 claims
- Famotidine21 claims
- Eliquis18 claims
- Atorvastatin Calcium17 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.
Gary G. Allen among 1,705 internal medicine physician records in Alabama
Gary G. Allen, M.D, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2009 · 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).
11 internal medicine physician records list a practice address in Enterprise
They are 11 of the 460 NPPES records with a practice address in Enterprise, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Enterprise → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Courtney Archie, DOEnterprise, AL 363301487391033
- Kathlyn Diefenderfer, MDEnterprise, AL 363301780606426
- Antonio Fontanella Lara, M.D.Enterprise, AL 363301952506362
- William Gammill, DOEnterprise, AL 363301437199908
- Jamie Jones, D.O.Enterprise, AL 363301801020029
- John Kreisberg, MDEnterprise, AL 363301730297441
- William Reynolds, MDEnterprise, AL 363301134178668
- David Rhyne, MDEnterprise, AL 363301285627109
Common questions
What is Gary G. Allen, M.D,'s NPI number?
Gary G. Allen, M.D,'s National Provider Identifier (NPI) is 1972596849, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary G. Allen, M.D, located?
The NPPES record lists a practice address at 101 E Brunson St, Enterprise, AL, 36330. Phone: (334) 393-3686. Providers update this record themselves, so call before visiting.
How can I verify Gary G. Allen, M.D,'s license?
NPPES lists Alabama license number 11425, 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 Gary G. Allen, M.D, prescribe under Medicare Part D?
In 2024, Gary G. Allen, M.D, had 689 Medicare Part D claims for 115 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.