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Obstetrics/Gynecology

Regina R. Frost, MD

Works at hospitals in Southfield, MI · Detroit, MI · Michigan

Summary

Dr. Regina R. Frost, MD is an OB-GYN at 21000 E 12 Mile Rd, Suite 102, Saint Clair Shores, MI 48081. Phone: (810) 447-5100. Accepts Medicare assignment. In 2024, Regina R. Frost had 90 Original Medicare patients and 766 services. NPI 1215148689. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Regina R. Frost, 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 Regina R. Frost accept Medicare assignment?
Yes. Medicare's clinician data says Regina R. Frost 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 Regina R. Frost see?
In 2024, CMS data shows 90 Original Medicare patients and 766 services for Regina R. Frost. This counts Original Medicare only and measures volume, not quality.
What is Regina R. Frost's NPI number?
1215148689. 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 Regina R. Frost, 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 patients90
Services billed to Medicare766
Different services or procedures18
Participating Medicare providerYes
Average age of these patients66

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)59 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)19 services
  4. Annual depression screening, 5 to 15 minutes (G0444)16 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 cholesterol68%
  • High blood pressure62%
  • Arthritis44%
  • Diabetes29%
  • Osteoporosis20%
  • Anxiety19%

Hospitals where Regina R. Frost works

Medicare's Facility Affiliation Data lists Regina R. Frost 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 Regina R. Frost is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Regina R. Frost as a member of these groups (CMS data updated October 2, 2026).

  • Henry Ford Health St. John Hospital348 clinicians in the group
  • Henry Ford Semi Medical Group240 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Saint Clair Shores

Clinicians with the same Medicare primary specialty in Saint Clair Shores, MI — not a recommendation.

All OB-GYNs in Saint Clair Shores →

Other clinicians in Henry Ford Health St. John Hospital

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215148689
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