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Obstetrics/Gynecology

Sarah H. Vanarendonk, MD

Sees patients in Denver, CO · Colorado

Summary

Dr. Sarah H. Vanarendonk, MD is an OB-GYN at 777 Bannock St, Denver, CO 80204. Phone: (303) 436-6000. Accepts Medicare assignment. In 2024, Sarah H. Vanarendonk had 23 Original Medicare patients and 28 services. NPI 1376907709. 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: 777 Bannock St, Denver, CO 80204 · Directions
  • Phone: (303) 436‑6000
  • Medicare: Accepts Medicare assignment
  • Group practice: Denver Health and Hospital Authority
  • Medical school: University Of Michigan Medical School · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah H. Vanarendonk, 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 Sarah H. Vanarendonk accept Medicare assignment?
Yes. Medicare's clinician data says Sarah H. Vanarendonk 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 Sarah H. Vanarendonk see?
In 2024, CMS data shows 23 Original Medicare patients and 28 services for Sarah H. Vanarendonk. This counts Original Medicare only and measures volume, not quality.
What is Sarah H. Vanarendonk's NPI number?
1376907709. 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 Sarah H. Vanarendonk, 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 patients23
Services billed to Medicare28
Different services or procedures12
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 cholesterol74%
  • High blood pressure65%

Practice locations

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

Group practices

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

  • Denver Health and Hospital Authority849 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Colorado →

Other OB-GYNs in Denver

Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.

All OB-GYNs in Denver →

Other clinicians in Denver Health and Hospital Authority

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376907709
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