Matthew Killmer, DO
NPI 1134797897 · Psychiatry Physician · Grand Rapids, MI
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Killmer, DO is a Psychiatry Physician provider in Grand Rapids, MI (NPI 1134797897).
Provider details
- NPI number
- 1134797897
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5151015122 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 37 |
| Trazodone Hcl | 23 |
| Duloxetine Hcl | 19 |
| Olanzapine | 18 |
| Propranolol Hcl | 18 |
| Fluoxetine Hcl | 15 |
| Lamotrigine | 14 |
| Escitalopram Oxalate | 14 |
| Hydroxyzine Hcl | 13 |
| Risperidone | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-17
- Last updated
- 2021-06-17
- Certified
- 2021-06-17
Frequently asked questions
- What is Matthew Killmer's NPI number?
- Matthew Killmer's National Provider Identifier (NPI) is 1134797897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Killmer's specialty?
- Matthew Killmer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Killmer located?
- Matthew Killmer's practice location on file with NPPES is 300 68th St Se, Grand Rapids, MI 49548-6927.
- What is Matthew Killmer's phone number?
- The practice phone number listed in the NPPES registry for Matthew Killmer is (616) 559-5870.
- Does Matthew Killmer accept Medicare?
- Matthew Killmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Killmer's NPI active?
- Yes — Matthew Killmer's NPI (1134797897) is active in the NPPES registry as of the last update on 2021-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.