Michael Owczarzak, M.D.
NPI 1659371979 · Family Medicine Physician · Flint, MI
Michael Owczarzak, M.D. is a Family Medicine Physician provider in Flint, MI (NPI 1659371979).
Provider details
- NPI number
- 1659371979
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301068046 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 17 |
| Levothyroxine Sodium | 17 | 13 |
| Atorvastatin Calcium | 15 | 15 |
| Gabapentin | 15 | 12 |
| Prednisone | 14 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,043 across 206 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2016-08-26
Frequently asked questions
- What is Michael Owczarzak's NPI number?
- Michael Owczarzak's National Provider Identifier (NPI) is 1659371979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Owczarzak's specialty?
- Michael Owczarzak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Owczarzak located?
- Michael Owczarzak's practice location on file with NPPES is 5142 Miller Rd, Flint, MI 48507-1042.
- What is Michael Owczarzak's phone number?
- The practice phone number listed in the NPPES registry for Michael Owczarzak is (810) 733-3660.
- Is Michael Owczarzak's NPI active?
- Yes — Michael Owczarzak's NPI (1659371979) is active in the NPPES registry as of the last update on 2016-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.