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Obstetrics/Gynecology

Rachel W. Peterson, MD

Works at hospitals in Bismarck, ND · North Dakota

Summary

Dr. Rachel W. Peterson, MD is an OB-GYN at 414 N 7th St, Bismarck, ND 58501. Phone: (701) 323-6815. Accepts Medicare assignment. In 2024, Rachel W. Peterson had 28 Original Medicare patients and 45 services. NPI 1265871826. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 414 N 7th St, Bismarck, ND 58501 · Directions
  • Phone: (701) 323‑6815
  • Medicare: Accepts Medicare assignment
  • Hospital: Sanford Medical Center Bismarck
  • Group practice: Sanford Bismarck
  • Medical school: University Of North Dakota School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rachel W. Peterson, 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 Rachel W. Peterson accept Medicare assignment?
Yes. Medicare's clinician data says Rachel W. Peterson 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 Rachel W. Peterson see?
In 2024, CMS data shows 28 Original Medicare patients and 45 services for Rachel W. Peterson. This counts Original Medicare only and measures volume, not quality.
What is Rachel W. Peterson's NPI number?
1265871826. 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 Rachel W. Peterson, 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 patients28
Services billed to Medicare45
Different services or procedures16
Participating Medicare providerYes
Average age of these patients68

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 pressure68%
  • High cholesterol68%
  • Arthritis46%

Hospitals where Rachel W. Peterson works

Medicare's Facility Affiliation Data lists Rachel W. Peterson 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.

Practice locations

Addresses where Rachel W. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rachel W. Peterson as a member of this group (CMS data updated October 2, 2026).

  • Sanford Bismarck556 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in North Dakota →

Other OB-GYNs in Bismarck

Clinicians with the same Medicare primary specialty in Bismarck, ND — not a recommendation.

All OB-GYNs in Bismarck →

Other clinicians in Sanford Bismarck

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Dakota School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265871826
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