Jennifer L. Holter-Chakrabarty, MD

NPI 1841268091ActiveIndividual· Internal Medicine, Hematology & Oncology· Oklahoma City, OK

Internal Medicine, Hematology & Oncology (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,214,521 for 292 claims, against $32,818 paid for services in 2024. Csl Behring was the largest of 3 companies reporting payments in 2025, $27,360 in all, mostly consulting fees.

Overview

NPI	1841268091
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 12, 2006
Last updated in NPPES	May 20, 2011

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	21784	OK

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 - Hematology/Oncology (OK)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	99
Services billed	347 across 16 procedure codes
Paid by Medicare	$32,818

Part D prescriptions in 2024

Prescriptions (claims)	292 · 402 30-day fills
Patients	45
Total drug cost	$1,214,521
Generic share	65% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Oklahoma College of Medicine
Graduation year	1999
Medicare specialty	Hematology/Oncology
Secondary specialties	Emergency Medicine, Family Practice, Internal Medicine