Robert Holwerda, DO
Psychiatry Physician · Grand Rapids, MI
Robert Holwerda, DO is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1205995735, issued on Dec 8, 2006. Check the license (Michigan 5101009935, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert Holwerda
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 5101009935 MI
Self-reported in NPPES; status is on the state search - Practice location
- 790 Fuller Ave NE, Grand Rapids, MI 49503
- Phone
- (616) 336-3909
- Enumerated
- Dec 8, 2006
- Record last updated
- Mar 29, 2022
- Fax
- (616) 336-8830
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 790 Fuller Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Aguilar, RNAdult Psychiatric/Mental Health Registered Nurse1992262109
- Aubrie AllenCase Manager/Care Coordinator1407553928
- Araceli Alvarez, LLMSWSocial Worker1932816139
- Andrew AmidonCase Manager/Care Coordinator1437804564
- Trechaun AndersonSocial Worker1649914367
- Stacey AndrewsCase Manager/Care Coordinator1497583546
Verify Robert Holwerda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101009935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
15 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Robert Holwerda among 1,729 psychiatry physician records in Michigan
Robert Holwerda, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- 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
- Suma Cherukuri, D.O.Grand Rapids, MI 495031528247590
- Denise Gregory, M.D.Grand Rapids, MI 495031336195007
- Carey Krause, D.O.Grand Rapids, MI 495031467408229
- Ryan Marin, MDGrand Rapids, MI 495031174787543
- Jamie McLean, M.D.Grand Rapids, MI 495031922205772
- John Mitchell, MDGrand Rapids, MI 495031316147572
- Mazhar Munir, MDGrand Rapids, MI 495031821083924
- Isabel Norian, MDGrand Rapids, MI 495031831205863
Common questions
What is Robert Holwerda, DO's NPI number?
Robert Holwerda, DO's National Provider Identifier (NPI) is 1205995735, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Holwerda, DO located?
The NPPES record lists a practice address at 790 Fuller Ave NE, Grand Rapids, MI, 49503. Phone: (616) 336-3909. Providers update this record themselves, so call before visiting.
How can I verify Robert Holwerda, DO's license?
NPPES lists Michigan license number 5101009935, 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 Robert Holwerda, DO prescribe under Medicare Part D?
In 2024, Robert Holwerda, DO had 15 Medicare Part D claims; 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.