Johann Milian Peterson, M.D.

NPI 1467508382ActiveIndividual· Pediatrics, Pediatric Gastroenterology· Sacramento, CA

Pediatrics, Pediatric Gastroenterology (M.D.) in Sacramento, California, trained at University of Texas Southwestern Medical School at Dallas (class of 2005). Mostly services rather than prescriptions: Medicare paid $3,217 for 27 patients in 2024, with only 49 Part D claims. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $489.28 in all, mostly food and beverage.

Overview

NPI	1467508382
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 25, 2007
Last updated in NPPES	Jul 8, 2015

Specialties and licenses

Taxonomy	Code	License	State
Pediatrics, Pediatric Gastroenterology Primary	2080P0206X	A97701	CA
Pediatrics	208000000X	A97701	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pediatric Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	27
Services billed	54 across 6 procedure codes
Paid by Medicare	$3,217

Part D prescriptions in 2024

Prescriptions (claims)	49 · 53 30-day fills
Total drug cost	$3,913
Generic share	92% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Southwestern Medical School at Dallas
Graduation year	2005
Medicare specialty	Pediatric Medicine
Secondary specialties	Gastroenterology