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Internal Medicine

Margaret B. Mekai Vekima, MD

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Dr. Margaret B. Mekai Vekima, MD is an internal medicine doctor at 1649 S Huron St, Ypsilanti, MI 48197. Phone: (734) 480-0990. Accepts Medicare assignment. In 2024, Margaret B. Mekai Vekima had 125 Original Medicare patients and 466 services. NPI 1669650867. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1649 S Huron St, Ypsilanti, MI 48197 · Directions (2 more locations)
  • Phone: (734) 480‑0990
  • Medicare: Accepts Medicare assignment
  • Hospital: Trinity Health Ann Arbor Hospital
  • Group practice: South Huron Urgent Care Center PLC
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret B. Mekai Vekima, 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 B. Mekai Vekima accept Medicare assignment?
Yes. Medicare's clinician data says Margaret B. Mekai Vekima 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 B. Mekai Vekima see?
In 2024, CMS data shows 125 Original Medicare patients and 466 services for Margaret B. Mekai Vekima. This counts Original Medicare only and measures volume, not quality.
What is Margaret B. Mekai Vekima's NPI number?
1669650867. 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 B. Mekai Vekima, 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 patients125
Services billed to Medicare466
Different services or procedures22
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)171 services
  2. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)59 services
  3. Insertion of needle into vein for collection of blood sample (36415)49 services
  4. Advance care planning, first 30 minutes (99497)36 services
  5. Blood glucose (sugar) test performed by hand-held instrument (82962)34 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 blood pressure75%
  • High cholesterol60%
  • Arthritis48%
  • Diabetes39%
  • Depression36%
  • Anxiety34%

Hospitals where Margaret B. Mekai Vekima works

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

Group practices

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

  • South Huron Urgent Care Center PLC5 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Ypsilanti

Clinicians with the same Medicare primary specialty in Ypsilanti, MI — not a recommendation.

All internal medicine doctors in Ypsilanti →

Other clinicians in South Huron Urgent Care Center PLC

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669650867
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