Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Heather A. Brewer, MD

Works at hospitals in Spearfish, SD · Sturgis, SD · South Dakota

Summary

Heather A. Brewer, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Spearfish, SD and Sturgis, SD. NPI 1134160591. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Heather A. Brewer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
University Of Kansas School Of Med (kc/wich/sal)Medical school
FemaleGender (as listed)
Monument Health Network IncGroup practice

Quick answers

Which hospitals does Heather A. Brewer work at?
Medicare's official clinician data lists Heather A. Brewer at 2 hospitals: Monument Health Spearfish Hospital and Monument Health Sturgis Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Heather A. Brewer see patients?
Medicare's clinician data lists 2 practice locations, including Spearfish, SD and Sturgis, SD. Call before your visit to confirm the address.
What is Heather A. Brewer's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Heather A. Brewer accept Medicare assignment?
Yes. Medicare's clinician data says Heather A. Brewer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Heather A. Brewer?
(605) 644-4170, as listed in official Medicare / NPI Registry data.
What is Heather A. Brewer's NPI number?
1134160591. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Heather A. Brewer works

Medicare's Facility Affiliation Data lists Heather A. Brewer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Heather A. Brewer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Heather A. Brewer as a member of this group (CMS data updated 2026-10-02).

  • Monument Health Network Inc160 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in South Dakota →

Other OB-GYNs in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

All OB-GYNs in South Dakota →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134160591
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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