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

Obstetrics/Gynecology

Neil S. Simmerman, MD

Works at hospitals in Detroit, MI · W Bloomfield, MI · Michigan

Summary

Dr. Neil S. Simmerman, MD is an OB-GYN at 2799 W Grand Boulevard, Detroit, MI 48202. Phone: (313) 876-2454. Accepts Medicare assignment. In 2024, Neil S. Simmerman had 29 Original Medicare patients and 44 services. NPI 1376704759. 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 Neil S. Simmerman, 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 Neil S. Simmerman accept Medicare assignment?
Yes. Medicare's clinician data says Neil S. Simmerman 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 Neil S. Simmerman see?
In 2024, CMS data shows 29 Original Medicare patients and 44 services for Neil S. Simmerman. This counts Original Medicare only and measures volume, not quality.
What is Neil S. Simmerman's NPI number?
1376704759. 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 Neil S. Simmerman, 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 patients29
Services billed to Medicare44
Different services or procedures11
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 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 cholesterol55%
  • Diabetes41%
  • Arthritis41%
  • Depression38%

Hospitals where Neil S. Simmerman works

Medicare's Facility Affiliation Data lists Neil S. Simmerman 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 Neil S. Simmerman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Neil S. Simmerman as a member of this group (CMS data updated October 2, 2026).

  • Henry Ford Health System2,570 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Detroit

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

All OB-GYNs in Detroit →

Other clinicians in Henry Ford Health System

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376704759
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