Zachary Cohen Hommer, MD
Psychiatry Physician · Grand Rapids, MI
Zachary Cohen Hommer, MD is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1982192431, issued on Apr 30, 2018. Check the license (Michigan 4351035203, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Zachary Cohen Hommer
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 4351035203 MI
4301114763 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 68TH St SE, Grand Rapids, MI 49548
- Phone
- (616) 456-0842
- Enumerated
- Apr 30, 2018
- Record last updated
- Feb 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (616) 559-5864
- Medicare enrollment
- Enrolled (PECOS I20220713003390); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 300 68TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kyle AhonenChild & Adolescent Psychiatry Physician1326579426
Verify Zachary Cohen Hommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351035203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average psychiatry physician in 2024
1,804 Medicare Part D claims for 147 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Bupropion Xl170 claims
- Mirtazapine112 claims
- Fluoxetine Hcl99 claims
- Sertraline Hcl88 claims
- Trazodone Hcl88 claims
- Quetiapine Fumarate77 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $13.50
1 payment: food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Metropolitan HospitalGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Cohen Hommer among 1,729 psychiatry physician records in Michigan
Zachary Cohen Hommer, MD is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 73% of them.
- NPI issued2018 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2018 · median 2005 among the 828 with a school on file
- Record last updated2019 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
206 psychiatry physician records list a practice address in Grand Rapids
They are 206 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Grand Rapids → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Eric Achtyes, MDGrand Rapids, MI 495481780665976
- Jaime Ayala, M.D.Grand Rapids, MI 495481235180720
- William Beute, M.D.Grand Rapids, MI 495481093761827
- Eric Erickson, DOGrand Rapids, MI 495481558342220
- Jeffrey Jackson, MDGrand Rapids, MI 495481598711186
- Robert Lafleur, D.O.Grand Rapids, MI 495481043260177
- Jack Mahdasian, MDGrand Rapids, MI 495481841246634
- Carlos Marcano, MDGrand Rapids, MI 495481639125040
Common questions
What is Zachary Cohen Hommer, MD's NPI number?
Zachary Cohen Hommer, MD's National Provider Identifier (NPI) is 1982192431, issued on Apr 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Cohen Hommer, MD located?
The NPPES record lists a practice address at 300 68TH St SE, Grand Rapids, MI, 49548. Phone: (616) 456-0842. Providers update this record themselves, so call before visiting.
How can I verify Zachary Cohen Hommer, MD's license?
NPPES lists Michigan license number 4351035203, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary Cohen Hommer, MD prescribe under Medicare Part D?
In 2024, Zachary Cohen Hommer, MD had 1,804 Medicare Part D claims for 147 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.