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Internal Medicine

Stephanie C. Pyskir, MD

Sees patients in Washington, DC · District of Columbia

Summary

Dr. Stephanie C. Pyskir, MD is an internal medicine doctor at 2333 Ontario Rd NW, Washington, DC 20009. Phone: (202) 483-8196. Accepts Medicare assignment. In 2024, Stephanie C. Pyskir had 62 Original Medicare patients and 71 services. NPI 1255999520. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2333 Ontario Rd NW, Washington, DC 20009 · Directions
  • Phone: (202) 483‑8196
  • Medicare: Accepts Medicare assignment
  • Group practice: Marys Center for Maternal and Child Care Inc
  • Medical school: University Of Texas Medical School At San Antonio · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie C. Pyskir, 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 Stephanie C. Pyskir accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie C. Pyskir 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 Stephanie C. Pyskir see?
In 2024, CMS data shows 62 Original Medicare patients and 71 services for Stephanie C. Pyskir. This counts Original Medicare only and measures volume, not quality.
What is Stephanie C. Pyskir's NPI number?
1255999520. 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 Stephanie C. Pyskir, 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 patients62
Services billed to Medicare71
Different services or procedures8
Participating Medicare providerYes
Average age of these patients84

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)38 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 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 disease56%
  • Diabetes52%
  • Ischemic heart disease40%
  • Heart failure40%

Practice locations

Addresses where Stephanie C. Pyskir is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie C. Pyskir as a member of this group (CMS data updated October 2, 2026).

  • Marys Center for Maternal and Child Care Inc56 clinicians in the group

Specialties

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

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

All internal medicine doctors in Washington →

Other clinicians in Marys Center for Maternal and Child Care Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255999520
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