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Hospitalist

Anna H. Stepczynski, MD

Works at hospitals in Seattle, WA · Washington

Summary

Dr. Anna H. Stepczynski, MD is a hospitalist at 904 7th Ave, Seattle, WA 98104. Phone: (206) 309-1760. Accepts Medicare assignment. In 2024, Anna H. Stepczynski had 242 Original Medicare patients and 3,469 services. NPI 1023320538. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hospitalist
  • Address: 904 7th Ave, Seattle, WA 98104 · Directions
  • Phone: (206) 309‑1760
  • Medicare: Accepts Medicare assignment
  • Hospital: Swedish Medical Center
  • Group practice: The Polyclinic PLLC
  • Medical school: graduated 2010 (16 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Anna H. Stepczynski, 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 Anna H. Stepczynski accept Medicare assignment?
Yes. Medicare's clinician data says Anna H. Stepczynski 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 Anna H. Stepczynski see?
In 2024, CMS data shows 242 Original Medicare patients and 3,469 services for Anna H. Stepczynski. This counts Original Medicare only and measures volume, not quality.
What is Anna H. Stepczynski's NPI number?
1023320538. 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 Anna H. Stepczynski, 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 patients242
Services billed to Medicare3,469
Different services or procedures97
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)425 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)366 services
  3. Blood test, comprehensive group of blood chemicals (80053)267 services
  4. Complete blood cell count (red cells, white blood cell, platelets), automated test (85027)233 services
  5. Blood test, thyroid stimulating hormone (tsh) (84443)232 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 cholesterol75%
  • High blood pressure57%
  • Arthritis47%
  • Ischemic heart disease36%
  • Osteoporosis28%
  • Depression22%

Hospitals where Anna H. Stepczynski works

Medicare's Facility Affiliation Data lists Anna H. Stepczynski 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.

  • Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027

Practice locations

Addresses where Anna H. Stepczynski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna H. Stepczynski as a member of this group (CMS data updated October 2, 2026).

  • The Polyclinic PLLC365 clinicians in the group

Specialties

Find other Hospitalist doctors in Washington →

Other hospitalists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All hospitalists in Seattle →

Other clinicians in The Polyclinic PLLC

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

Clinician information

CredentialMD
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023320538
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. 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