John Obudzinski, D.O.
NPI 1942388434 · Internal Medicine Physician · West Allis, WI
John Obudzinski, D.O. is a Internal Medicine Physician provider in West Allis, WI (NPI 1942388434).
Provider details
- NPI number
- 1942388434
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101006817 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 75 | 36 |
| Atorvastatin Calcium | 66 | 41 |
| Lisinopril | 42 | 23 |
| Amlodipine Besylate | 37 | 24 |
| Rosuvastatin Calcium | 35 | 20 |
| Losartan Potassium | 32 | 20 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-11-22
- Certified
- 2021-11-22
Frequently asked questions
- What is John Obudzinski's NPI number?
- John Obudzinski's National Provider Identifier (NPI) is 1942388434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Obudzinski's specialty?
- John Obudzinski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Obudzinski located?
- John Obudzinski's practice location on file with NPPES is 2424-S. 90th St., West Allis, WI 53227-2455.
- What is John Obudzinski's phone number?
- The practice phone number listed in the NPPES registry for John Obudzinski is (414) 328-8777.
- Is John Obudzinski's NPI active?
- Yes — John Obudzinski's NPI (1942388434) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.