Darren Lloyd Grunwaldt, D.O.
Neuromusculoskeletal Medicine & OMM Physician · Wyoming, MI
Darren Lloyd Grunwaldt, D.O. is a neuromusculoskeletal medicine & omm physician with a practice address in Wyoming, Michigan, and NPI 1437371788, issued on May 3, 2007. Check the license (Michigan 5101016401, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darren Lloyd Grunwaldt
- Credential
- D.O.
- Primary taxonomy
- Neuromusculoskeletal Medicine & OMM Physician 204D00000X
- License number
- 5101016401 MI
Self-reported in NPPES; status is on the state search - Practice location
- 781 36TH St SE, Wyoming, MI 49548
- Phone
- (616) 252-4100
- Enumerated
- May 3, 2007
- Record last updated
- Dec 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (616) 252-4953
- Medicare enrollment
- Enrolled (PECOS I20090827000605); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2005
- Entity
- Type 1 · individual
8 nearest neuromusculoskeletal medicine & omm physician records → All 76 in Michigan → Look up another NPI →
Also registered at 781 36TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Bennetts, NPFamily Nurse Practitioner1366814006
- Beth Bohl, B.S.Clinical Social Worker1972753168
- Ali Dunn, F.N.P.Family Nurse Practitioner1841549060
- Jodie Elder, PHARMDPharmacotherapy Pharmacist1215147335
- Sally Holstege, FNPFamily Nurse Practitioner1770471716
- Jeffrey Postlewaite, DOObstetrics & Gynecology Physician1043219561
Verify Darren Lloyd Grunwaldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5101016401Check 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 neuromusculoskeletal medicine & omm physician in 2024
15 Medicare Part D claims, against an average of 604 among the 400 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mercy Specialty ServicesMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Lloyd Grunwaldt among 76 neuromusculoskeletal medicine & omm physician records in Michigan
Darren Lloyd Grunwaldt, D.O. is one of 76 neuromusculoskeletal medicine & omm physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2011 among the 45 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204D00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuromusculoskeletal Medicine & OMM Physician providers in Michigan
There are 76 neuromusculoskeletal medicine & omm physician records in Michigan.
All 76 in Michigan → Every provider in Wyoming → Neuromusculoskeletal Medicine & OMM Physician nationwide →
The 8 neuromusculoskeletal medicine & omm physician records with the nearest ZIP codes
- Lynne Chadfield, DOGrand Rapids, MI 495461508088568
- Mark Braden, DOGrand Rapids, MI 495251912490905
- Madeline Ginn-Terpstra, D.OGrand Rapids, MI 495251083149173
- Kevin Hayes, D.O.Grand Rapids, MI 495251225254477
- Kyle McDonald, D.OGrand Rapids, MI 495251861842825
- Derek Rosol, DOGrand Rapids, MI 495121790050151
- Hans Bruntmyer, D.O.Muskegon, MI 494441013907427
- Paul Dyball, D.O.Muskegon, MI 494441396944245
Common questions
What is Darren Lloyd Grunwaldt, D.O.'s NPI number?
Darren Lloyd Grunwaldt, D.O.'s National Provider Identifier (NPI) is 1437371788, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Darren Lloyd Grunwaldt, D.O. located?
The NPPES record lists a practice address at 781 36TH St SE, Wyoming, MI, 49548. Phone: (616) 252-4100. Providers update this record themselves, so call before visiting.
How can I verify Darren Lloyd Grunwaldt, D.O.'s license?
NPPES lists Michigan license number 5101016401, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Darren Lloyd Grunwaldt, D.O. prescribe under Medicare Part D?
In 2024, Darren Lloyd Grunwaldt, D.O. had 15 Medicare Part D claims; the average among neuromusculoskeletal medicine & omm physician prescribers was 604. Part D covers Medicare prescriptions only.
What is Darren Lloyd Grunwaldt, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.