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Family Practice

Margaret C. Westin, MD

Works at hospitals in Mechanicsville, VA · Richmond, VA · Virginia

Summary

Dr. Margaret C. Westin, MD is a family doctor at 1800 Glenside Dr, Suite 110, Richmond, VA 23226. Phone: (804) 288-1800. Accepts Medicare assignment. In 2024, Margaret C. Westin had 722 Original Medicare patients and 19,566 services. NPI 1114960184. 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 Margaret C. Westin, 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 Margaret C. Westin accept Medicare assignment?
Yes. Medicare's clinician data says Margaret C. Westin 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 Margaret C. Westin see?
In 2024, CMS data shows 722 Original Medicare patients and 19,566 services for Margaret C. Westin. This counts Original Medicare only and measures volume, not quality.
What is Margaret C. Westin's NPI number?
1114960184. 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 Margaret C. Westin, 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 patients722
Services billed to Medicare19,566
Different services or procedures140
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)2,820 services
  2. Insertion of needle into vein for collection of blood sample (36415)1,311 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,127 services
  4. Blood test, comprehensive group of blood chemicals (80053)1,106 services
  5. Professional service for preparation and provision of 1 or more antigens (95165)940 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 pressure74%
  • Arthritis42%
  • Anxiety30%
  • Depression26%
  • Osteoporosis20%

Hospitals where Margaret C. Westin works

Medicare's Facility Affiliation Data lists Margaret C. Westin 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 Margaret C. Westin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margaret C. Westin as a member of this group (CMS data updated October 2, 2026).

  • Commonwealth Primary Care64 clinicians in the group

Specialties

Find other Family Practice doctors in Virginia →

Other family doctors in Richmond

Clinicians with the same Medicare primary specialty in Richmond, VA — not a recommendation.

All family doctors in Richmond →

Other clinicians in Commonwealth Primary Care

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114960184
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