Antonia R. Sepulveda, MD

Medicare activity in 2024

Official CMS public-use data for Antonia R. Sepulveda, 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.

Most frequent services

1. Antibody evaluation, each additional single antibody stain procedure (88350)346 services
2. Special stained specimen slides to examine tissue including interpretation and report (88313)131 services
3. Pathology examination of tissue using a microscope, intermediate complexity (88305)106 services
4. Special stained specimen slides to examine tissue, each additional procedure (88341)61 services
5. Antibody evaluation, initial single antibody stain procedure (88346)39 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%
• Chronic kidney disease68%
• Arthritis46%
• Ischemic heart disease42%
• Diabetes41%

Hospitals where Antonia R. Sepulveda works

Medicare's Facility Affiliation Data lists Antonia R. Sepulveda 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.

• George Washington University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 090001

Practice locations

Addresses where Antonia R. Sepulveda is enrolled with Medicare (CMS data updated October 2, 2026).

• 1200 Pecan St SEWashington, DC 20032 (771) 444‑6200
• 900 23rd St NWWashington, DC 20037 (202) 715‑4000

Group practices

Medicare enrollment lists Antonia R. Sepulveda as a member of this group (CMS data updated October 2, 2026).

• Medical Faculty Associates, Inc672 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in District of Columbia →

Other pathologists in Washington

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

• Marilyn A. Baird Howell, MD
• Maryam Sadough Shahmirzadi, MD
• Margaret M. Shaffer, MD
• Tapan M. Bhavsar, MD
• Mariette Asare, MD
• Ling Yan, MD
• Hang Zhou, MD
• Patricia Tsang, MD

All pathologists in Washington →

Other clinicians in Medical Faculty Associates, Inc

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

• Jessica O'Neill, PA
• Monica E. Baena, NP
• Natalie Giles, MD
• Darshana Bhattacharyya, MD
• Salem Noureldine, MD
• Daniel M. Stein, MD

Clinician information

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