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

Cardiovascular Disease (Cardiology)

Oluseyi Princewill, MD

Works at hospitals in Olney, MD · Washington, DC · Maryland, District of Columbia

Summary

Oluseyi Princewill, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Olney, MD and Washington, DC. NPI 1770719288. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Oluseyi Princewill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
University Of Pittsburgh School Of MedicineMedical school
FemaleGender (as listed)
MedStar Medical Group II LLCGroup practice (+1 more)

Quick answers

Which hospitals does Oluseyi Princewill work at?
Medicare's official clinician data lists Oluseyi Princewill at 2 hospitals: MedStar Montgomery Medical Center and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Oluseyi Princewill see patients?
Medicare's clinician data lists 11 practice locations, including Washington, DC, Glen Burnie, MD and Olney, MD. Call before your visit to confirm the address.
What is Oluseyi Princewill's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Oluseyi Princewill accept Medicare assignment?
Yes. Medicare's clinician data says Oluseyi Princewill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Oluseyi Princewill offer telehealth?
Medicare's clinician data says Oluseyi Princewill offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Oluseyi Princewill?
(202) 877-2851, as listed in official Medicare / NPI Registry data.
What is Oluseyi Princewill's NPI number?
1770719288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Oluseyi Princewill works

Medicare's Facility Affiliation Data lists Oluseyi Princewill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Oluseyi Princewill is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Oluseyi Princewill as a member of these groups (CMS data updated 2026-10-02).

  • MedStar Medical Group II LLC3,767 clinicians in the group
  • MedStar Heart Institute LLC301 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in District of Columbia →

Other cardiologists in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All cardiologists in Washington →

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770719288
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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