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Psychiatry

Erick F. Zak, DO

Sees patients in Farmington Hills, MI · Royal Oak, MI · Michigan

Summary

Dr. Erick F. Zak, DO is a psychiatrist at 28100 Grand River Ave, Farmington Hills, MI 48336. Accepts Medicare assignment. In 2024, Erick F. Zak had 14 Original Medicare patients and 74 services. NPI 1487116380. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 28100 Grand River Ave, Farmington Hills, MI 48336 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Group practice: Beaumont Medical Group- Specialty Services
  • Medical school: graduated 2019 (7 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Erick F. Zak, 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 Erick F. Zak accept Medicare assignment?
Yes. Medicare's clinician data says Erick F. Zak 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 Erick F. Zak see?
In 2024, CMS data shows 14 Original Medicare patients and 74 services for Erick F. Zak. This counts Original Medicare only and measures volume, not quality.
What is Erick F. Zak's NPI number?
1487116380. 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 Erick F. Zak, 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 patients14
Services billed to Medicare74
Different services or procedures4
Participating Medicare providerYes
Average age of these patients51

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)64 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).

  • Anxiety75%

Practice locations

Addresses where Erick F. Zak is enrolled with Medicare (CMS data updated October 2, 2026).

  • 28100 Grand River AveFarmington Hills, MI 48336
  • 3535 W 13 Mile RdRoyal Oak, MI 48073

Group practices

Medicare enrollment lists Erick F. Zak as a member of this group (CMS data updated October 2, 2026).

  • Beaumont Medical Group- Specialty Services847 clinicians in the group

Specialties

Find other Psychiatry doctors in Michigan →

Other psychiatrists in Farmington Hills

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

All psychiatrists in Farmington Hills →

Other clinicians in Beaumont Medical Group- Specialty Services

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

Clinician information

CredentialDO
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487116380
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians