Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Gregory John Allen, MD

Individual provider Family Medicine Physician · NPI 1952398356

Dr. Gregory John Allen, MD is a Family Practice in Ponchatoula, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 1985, 41 years ago. Accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
41
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

105 E Oak St
Ponchatoula, LA 70454-2619
Phone: (985) 386-6198
Fax: (985) 386-6223
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence L018162 (LA)

Record details

NPI number1952398356
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2005
Last updated in NPPESNovember 7, 2008
Mailing addressPo Box 129, Ponchatoula, LA 70454-0129

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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