Gregory John Allen, M.D.
Family Medicine Physician · Ponchatoula, LA
Gregory John Allen, M.D. is a family medicine physician with a practice address in Ponchatoula, Louisiana, and NPI 1952398356, issued on Sep 30, 2005. Check the license (Louisiana L018162, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory John Allen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- L018162 LA
Self-reported in NPPES; status is on the state search - Practice location
- 105 E Oak St, Ponchatoula, LA 70454
- Phone
- (985) 386-6198
- Enumerated
- Sep 30, 2005
- Record last updated
- Nov 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (985) 386-6223
- Medicaid ID
- 1950009 LA
- Medicare enrollment
- Enrolled (PECOS I20100210000084); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 105 E Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Arteaga, FNPFamily Nurse Practitioner1851032999
- Steve Gaudin, M.D.Family Medicine Physician1649269390
- Melissa Lama, N.P.Adult Health Nurse Practitioner1134489032
Verify Gregory John Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license L018162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average family medicine physician in 2024
17,355 Medicare Part D claims for 876 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 386 claims were for opioids.
Most prescribed
- Atorvastatin Calcium871 claims
- Levothyroxine Sodium541 claims
- Amlodipine Besylate533 claims
- Pantoprazole Sodium510 claims
- Metoprolol Succinate414 claims
- Rosuvastatin Calcium409 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): 81.6 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: $3,109.84
157 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
- Allen's Family Practice Clinic OF Ponchatoula LLPPonchatoula, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory John Allen among 1,728 family medicine physician records in Louisiana
Gregory John Allen, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% 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, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1985 · median 2006 among the 1,201 with a school on file
- Record last updated2008 · 61% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family medicine physician records list a practice address in Ponchatoula
They are 2 of the 179 NPPES records with a practice address in Ponchatoula, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Ponchatoula → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steve Gaudin, M.D.Ponchatoula, LA 704541649269390
- Andrew Adams, M.D.Slidell, LA 704581013204742
- Ryan Arnold, M.D.Slidell, LA 704581659432318
- Michael Casey, M.D.Slidell, LA 704581356397103
- Rory Duffour, M.D.Slidell, LA 704581730149329
- Miyoshi Henry, M.D.Slidell, LA 704581184829525
- Tradina Pichon, M.D.Slidell, LA 704581346364544
- Melina Sapida, D.O.Slidell, LA 704581780881904
Common questions
What is Gregory John Allen, M.D.'s NPI number?
Gregory John Allen, M.D.'s National Provider Identifier (NPI) is 1952398356, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Allen, M.D. located?
The NPPES record lists a practice address at 105 E Oak St, Ponchatoula, LA, 70454. Phone: (985) 386-6198. Providers update this record themselves, so call before visiting.
How can I verify Gregory John Allen, M.D.'s license?
NPPES lists Louisiana license number L018162, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory John Allen, M.D. prescribe under Medicare Part D?
In 2024, Gregory John Allen, M.D. had 17,355 Medicare Part D claims for 876 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Gregory John Allen, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.6 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.