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Internal Medicine

Andy- Bleck Nwancha, MD

Works at hospitals in Fairfax, VA · Falls Church, VA · Virginia

Summary

Dr. Andy- Bleck Nwancha, MD is an internal medicine doctor at 3300 Gallows Rd, Falls Church, VA 22042. Phone: (703) 391-3558. Accepts Medicare assignment. NPI 1679203509. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3300 Gallows Rd, Falls Church, VA 22042 · Directions (1 more location)
  • Phone: (703) 391‑3558
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Fair Oaks Hospital, Inova Fairfax Hospital
  • Group practice: Inova Health Care Services (+1 more)
  • Medical school: Howard University College Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andy- Bleck Nwancha, 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 Andy- Bleck Nwancha accept Medicare assignment?
Yes. Medicare's clinician data says Andy- Bleck Nwancha 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.
What is Andy- Bleck Nwancha's NPI number?
1679203509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andy- Bleck Nwancha works

Medicare's Facility Affiliation Data lists Andy- Bleck Nwancha 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.

  • Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
  • Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063

Practice locations

Addresses where Andy- Bleck Nwancha is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andy- Bleck Nwancha as a member of these groups (CMS data updated October 2, 2026).

  • Inova Health Care Services1,817 clinicians in the group
  • Fair Oaks Hospitalist Physicians, PLLC65 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Falls Church

Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.

All internal medicine doctors in Falls Church →

Other clinicians in Inova Health Care Services

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

Clinician information

CredentialMD
Medical schoolHoward University College Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679203509
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians