Marissa Martz, MD
Psychiatry Physician · Grand Rapids, MI
Marissa Martz, MD is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1275063919, issued on Jun 15, 2017. Check the license (Michigan 4301504230, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Marissa Martz
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 4301504230 MI
LP04043 RI
Self-reported in NPPES; status is on the state search - Practice location
- 300 68TH St SE, Grand Rapids, MI 49548
- Phone
- (616) 455-5000
- Enumerated
- Jun 15, 2017
- Record last updated
- Nov 22, 2022
- Fax
- (616) 455-5960
- Medicare enrollment
- Enrolled (PECOS I20210916000339); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2017
- 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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- Kimberly AbedClinical Social Worker1568864775
- Eric Achtyes, MDPsychiatry Physician1780665976
- Matthew AdamsBehavior Analyst1770290561
- Andrae Agnew, LMSWClinical Social Worker1306481023
- Kyle AhonenChild & Adolescent Psychiatry Physician1326579426
Verify Marissa Martz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301504230Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average psychiatry physician in 2024
132 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl20 claims
- Hydroxyzine Hcl14 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.
One hospital affiliation
- Pine Rest Christian Mental Health ServicesGrand Rapids, MI · Psychiatric
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Marissa Martz among 1,729 psychiatry physician records in Michigan
Marissa Martz, 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 2017, is newer than 71% of them.
- NPI issued2017 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2017 · median 2005 among the 828 with a school on file
- Record last updated2022 · 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 Marissa Martz, MD's NPI number?
Marissa Martz, MD's National Provider Identifier (NPI) is 1275063919, issued on Jun 15, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Martz, MD located?
The NPPES record lists a practice address at 300 68TH St SE, Grand Rapids, MI, 49548. Phone: (616) 455-5000. Providers update this record themselves, so call before visiting.
How can I verify Marissa Martz, MD's license?
NPPES lists Michigan license number 4301504230, 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 Marissa Martz, MD prescribe under Medicare Part D?
In 2024, Marissa Martz, MD had 132 Medicare Part D claims for 31 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.