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Internal Medicine

Olubisi Akinseloyin, MD

Works at hospitals in Randallstown, MD · Baltimore, MD · Maryland

Summary

Dr. Olubisi Akinseloyin, MD is an internal medicine doctor at 200 Memorial Ave, Westminster, MD 21157. Phone: (410) 871-6700. Accepts Medicare assignment. In 2024, Olubisi Akinseloyin had 306 Original Medicare patients and 905 services. NPI 1619309010. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 200 Memorial Ave, Westminster, MD 21157 · Directions (1 more location)
  • Phone: (410) 871‑6700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Northwest Hospital Center, Sinai Hospital of Baltimore
  • Group practice: Emergency Medicine Associates P.A., P.C. (+1 more)
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Olubisi Akinseloyin, 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 Olubisi Akinseloyin accept Medicare assignment?
Yes. Medicare's clinician data says Olubisi Akinseloyin 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 Olubisi Akinseloyin see?
In 2024, CMS data shows 306 Original Medicare patients and 905 services for Olubisi Akinseloyin. This counts Original Medicare only and measures volume, not quality.
What is Olubisi Akinseloyin's NPI number?
1619309010. 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 Olubisi Akinseloyin, 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 patients306
Services billed to Medicare905
Different services or procedures12
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)314 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)223 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)181 services
  4. Hospital discharge day management, more than 30 minutes (99239)153 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%
  • Diabetes60%
  • Arthritis58%
  • Depression57%
  • Anxiety50%

Hospitals where Olubisi Akinseloyin works

Medicare's Facility Affiliation Data lists Olubisi Akinseloyin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Northwest Hospital CenterRandallstown, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210040
  • Sinai Hospital of BaltimoreBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210012

Practice locations

Addresses where Olubisi Akinseloyin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Olubisi Akinseloyin as a member of these groups (CMS data updated October 2, 2026).

  • Emergency Medicine Associates P.A., P.C.714 clinicians in the group
  • Northwest Hospital Center Inc87 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Westminster

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

All internal medicine doctors in Westminster →

Other clinicians in Emergency Medicine Associates P.A., P.C.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619309010
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians