Darren Grunwaldt, D.O.
NPI 1437371788 · Neuromusculoskeletal Medicine & OMM Physician · Wyoming, MI
Enrolled with Medicare as Practitioner - Osteopathic Manipulative Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Grunwaldt, D.O. is a Neuromusculoskeletal Medicine & OMM Physician provider in Wyoming, MI (NPI 1437371788).
Provider details
- NPI number
- 1437371788
- Entity type
- Individual
- Primary specialty
- Neuromusculoskeletal Medicine & OMM PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101016401 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
259 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $94 |
| Osteopathic Manipulative Treatment, 5-6 Body Regions98927 | 42 | $45 |
| Osteopathic Manipulative Treatment, 3-4 Body Regions98926 | 34 | $35 |
| Osteopathic Manipulative Treatment, 7-8 Body Regions98928 | 30 | $53 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $133 |
| Osteopathic Manipulative Treatment, 5-6 Body Regions98927 | 17 | $47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2021-12-31
- Certified
- 2021-12-31
Frequently asked questions
- What is Darren Grunwaldt's NPI number?
- Darren Grunwaldt's National Provider Identifier (NPI) is 1437371788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Grunwaldt's specialty?
- Darren Grunwaldt is listed in the NPPES registry with a primary specialty of Neuromusculoskeletal Medicine & OMM Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Grunwaldt located?
- Darren Grunwaldt's practice location on file with NPPES is 781 36th St Se, Wyoming, MI 49548-2319.
- What is Darren Grunwaldt's phone number?
- The practice phone number listed in the NPPES registry for Darren Grunwaldt is (616) 252-4100.
- Does Darren Grunwaldt accept Medicare?
- Darren Grunwaldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren Grunwaldt's NPI active?
- Yes — Darren Grunwaldt's NPI (1437371788) is active in the NPPES registry as of the last update on 2021-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.