David Gryniewicz, MD
NPI 1982019642 · Family Medicine Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gryniewicz, MD is a Family Medicine Physician provider in Detroit, MI (NPI 1982019642).
Provider details
- NPI number
- 1982019642
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301105549 (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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Suboxone | 58 | — |
| Atorvastatin Calcium | 56 | 18 |
| Amlodipine Besylate | 47 | 13 |
| Lisinopril | 41 | 13 |
| Gabapentin | 37 | — |
| Losartan Potassium | 35 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1700 Waterman StDetroit, MI 48209-2022Phone: (313) 841-1699Fax: (313) 554-1918
Registry dates
- Enumerated
- 2014-06-21
- Last updated
- 2022-05-18
- Certified
- 2022-05-18
Frequently asked questions
- What is David Gryniewicz's NPI number?
- David Gryniewicz's National Provider Identifier (NPI) is 1982019642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gryniewicz's specialty?
- David Gryniewicz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Gryniewicz located?
- David Gryniewicz's practice location on file with NPPES is 5716 Michigan Ave, Detroit, MI 48210-3039.
- What is David Gryniewicz's phone number?
- The practice phone number listed in the NPPES registry for David Gryniewicz is (313) 554-0485.
- Does David Gryniewicz accept Medicare?
- David Gryniewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gryniewicz's NPI active?
- Yes — David Gryniewicz's NPI (1982019642) is active in the NPPES registry as of the last update on 2022-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.