Doctor profile · Federal record

Dr. Darren Grunwaldt, D.O.

Neuromusculoskeletal Medicine & Omm Physician (CMS: Osteopathic Manipulative Medicine) · Family Medicine Physician · Wyoming, MI

  • NPI 1437371788
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
781 36Th St Se
Wyoming, MI 495482319
(616) 252-4100
fax (616) 252-4953
Mailing address
1150 E Sherman Blvd, Ste 2400
Muskegon, MI 494441886

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
December 31, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
204D00000X — NUCC code
State license (1)
Michigan #5101016401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437371788. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
3
Medicare allowed
$12,097
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 90 29 $94
98927 Osteopathic manipulative treatment, 5-6 body regions 39 20 $43
98928 Osteopathic manipulative treatment, 7-8 body regions 35 16 $56

In context: peer comparison

Among 1 peers in this city , average services per provider: 54. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Grunwaldt's medical specialty?
Dr. Darren Grunwaldt practices Neuromusculoskeletal Medicine & Omm Physician in Wyoming, MI.
Where does Dr. Darren Grunwaldt practice?
Dr. Darren Grunwaldt practices at 781 36Th St Se, Wyoming, MI 495482319. Office phone: 6162524100.
What is Dr. Darren Grunwaldt's NPI?
Dr. Darren Grunwaldt's National Provider Identifier (NPI) is 1437371788, issued by NPPES.
Does Dr. Darren Grunwaldt accept Medicare assignment?
Yes. Dr. Darren Grunwaldt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Grunwaldt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Osteopathic manipulative treatment, 5-6 body regions (HCPCS 98927); Osteopathic manipulative treatment, 7-8 body regions (HCPCS 98928). Source: CMS Medicare Physician & Other Practitioners file.