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Obstetrics/Gynecology

Martin W. Lapa, DO

Works at hospitals in Grand Blanc, MI · Michigan

Summary

Dr. Martin W. Lapa, DO is an OB-GYN at 1595 Genesys Pkwy, Grand Blanc, MI 48439. Phone: (810) 658-1480. Accepts Medicare assignment. In 2024, Martin W. Lapa had 20 Original Medicare patients and 42 services. NPI 1639184070. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1595 Genesys Pkwy, Grand Blanc, MI 48439 · Directions
  • Phone: (810) 658‑1480
  • Medicare: Accepts Medicare assignment
  • Hospital: Ascension Genesys Hospital
  • Group practice: Women's Integrated Health Care, P.C.
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Martin W. Lapa, 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 Martin W. Lapa accept Medicare assignment?
Yes. Medicare's clinician data says Martin W. Lapa 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 Martin W. Lapa see?
In 2024, CMS data shows 20 Original Medicare patients and 42 services for Martin W. Lapa. This counts Original Medicare only and measures volume, not quality.
What is Martin W. Lapa's NPI number?
1639184070. 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 Martin W. Lapa, 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 patients20
Services billed to Medicare42
Different services or procedures17
Participating Medicare providerYes
Average age of these patients67

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 cholesterol75%

Hospitals where Martin W. Lapa works

Medicare's Facility Affiliation Data lists Martin W. Lapa 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.

  • Ascension Genesys HospitalGrand Blanc, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230197

Practice locations

Addresses where Martin W. Lapa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martin W. Lapa as a member of this group (CMS data updated October 2, 2026).

  • Women's Integrated Health Care, P.C.4 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Grand Blanc

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

All OB-GYNs in Grand Blanc →

Other clinicians in Women's Integrated Health Care, P.C.

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639184070
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