Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Oluyemisi O. Adewunmi, MD

Sees patients in Lanham, MD · Maryland

Summary

Dr. Oluyemisi O. Adewunmi, MD is an internal medicine doctor at 9470 Annapolis Rd, Suite 301, Lanham, MD 20706. Phone: (301) 306-8990. Accepts Medicare assignment. In 2024, Oluyemisi O. Adewunmi had 61 Original Medicare patients and 245 services. NPI 1871558965. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 9470 Annapolis Rd, Suite 301, Lanham, MD 20706 · Directions
  • Phone: (301) 306‑8990
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Oluyemisi O. Adewunmi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Oluyemisi O. Adewunmi accept Medicare assignment?
Yes. Medicare's clinician data says Oluyemisi O. Adewunmi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Oluyemisi O. Adewunmi see?
In 2024, CMS data shows 61 Original Medicare patients and 245 services for Oluyemisi O. Adewunmi. This counts Original Medicare only and measures volume, not quality.
What is Oluyemisi O. Adewunmi's NPI number?
1871558965. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Oluyemisi O. Adewunmi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients61
Services billed to Medicare245
Different services or procedures13
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)121 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)64 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)36 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis51%
  • Diabetes39%
  • Chronic kidney disease28%

Practice locations

Addresses where Oluyemisi O. Adewunmi is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Lanham

Clinicians with the same Medicare primary specialty in Lanham, MD — not a recommendation.

All internal medicine doctors in Lanham →

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871558965
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians