Matthew Killmer, DO
Psychiatry Physician · Grand Rapids, MI
Matthew Killmer, DO is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1134797897, issued on Jun 17, 2021. Check the license (Michigan 6101027641, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Matthew Killmer
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 6101027641 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 68TH St SE, Grand Rapids, MI 49548
- Phone
- (616) 559-5870
- Enumerated
- Jun 17, 2021
- Record last updated
- Jun 17, 2026
- 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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- Matthew AdamsBehavior Analyst1770290561
- Andrae Agnew, LMSWClinical Social Worker1306481023
- Kyle AhonenChild & Adolescent Psychiatry Physician1326579426
Verify Matthew Killmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 6101027641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average psychiatry physician in 2024
344 Medicare Part D claims for 35 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
- Aripiprazole37 claims
- Trazodone Hcl23 claims
- Duloxetine Hcl19 claims
- Olanzapine18 claims
- Propranolol Hcl18 claims
- Fluoxetine Hcl15 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.
Matthew Killmer among 1,729 psychiatry physician records in Michigan
Matthew Killmer, DO 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 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2026 · 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 Matthew Killmer, DO's NPI number?
Matthew Killmer, DO's National Provider Identifier (NPI) is 1134797897, issued on Jun 17, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Killmer, DO located?
The NPPES record lists a practice address at 300 68TH St SE, Grand Rapids, MI, 49548. Phone: (616) 559-5870. Providers update this record themselves, so call before visiting.
How can I verify Matthew Killmer, DO's license?
NPPES lists Michigan license number 6101027641, 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 Matthew Killmer, DO prescribe under Medicare Part D?
In 2024, Matthew Killmer, DO had 344 Medicare Part D claims for 35 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.