Gregory Ryan Culpepper, MD

NPI 1598077059ActiveIndividual· Internal Medicine· Pascagoula, MS

Internal Medicine (MD) in Pascagoula, Mississippi, trained at University of South Alabama College of Medicine (class of 2014). 292 Medicare patients in 2024, $81,959 paid; nearly all of their 219 Part D prescriptions were generic (92%). Melinta Therapeutics, LLC was the largest of 2 companies reporting payments in 2025, $43.82 in all, mostly food and beverage.

Overview

NPI	1598077059
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 12, 2010
Last updated in NPPES	May 2, 2022
Certified by provider	May 2, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	23214	MS
Internal Medicine	207R00000X	MD.31819	AL
Pediatrics	208000000X	23214	MS
Pediatrics	208000000X	MD.31819	AL
Student in an Organized Health Care Education/Training Program	390200000X	—	—

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (MS)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	292
Services billed	1,044 across 10 procedure codes
Paid by Medicare	$81,959

Part D prescriptions in 2024

Prescriptions (claims)	219 · 237 30-day fills
Patients	91
Total drug cost	$6,190
Generic share	92% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of South Alabama College of Medicine
Graduation year	2014
Medicare specialty	Internal Medicine
Secondary specialties	Pediatric Medicine