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Obstetrics/Gynecology

Alicia D. St. Thomas, MD

Sees patients in Fairfax, VA · Virginia

Summary

Dr. Alicia D. St. Thomas, MD is an OB-GYN at 10521 Rosehaven St, Ll100, Fairfax, VA 22030. Phone: (703) 287-5000. Accepts Medicare assignment. In 2024, Alicia D. St. Thomas had 17 Original Medicare patients and 35 services. NPI 1982220190. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 10521 Rosehaven St, Ll100, Fairfax, VA 22030 · Directions
  • Phone: (703) 287‑5000
  • Medicare: Accepts Medicare assignment
  • Group practice: Capital Womens Care LLC
  • Medical school: Eastern Virginia Medical School · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alicia D. St. Thomas, 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 Alicia D. St. Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Alicia D. St. Thomas 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 Alicia D. St. Thomas see?
In 2024, CMS data shows 17 Original Medicare patients and 35 services for Alicia D. St. Thomas. This counts Original Medicare only and measures volume, not quality.
What is Alicia D. St. Thomas's NPI number?
1982220190. 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 Alicia D. St. Thomas, 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 patients17
Services billed to Medicare35
Different services or procedures8
Participating Medicare providerYes
Average age of these patients73

Practice locations

Addresses where Alicia D. St. Thomas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alicia D. St. Thomas as a member of this group (CMS data updated October 2, 2026).

  • Capital Womens Care LLC281 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Virginia →

Other OB-GYNs in Fairfax

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

All OB-GYNs in Fairfax →

Other clinicians in Capital Womens Care LLC

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

Clinician information

CredentialMD
Medical schoolEastern Virginia Medical School
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982220190
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