Thomas Ziolkowski, D.O.
NPI 1295975068 · Surgery Physician · Greenville, MI
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ziolkowski, D.O. is a Surgery Physician provider in Greenville, MI (NPI 1295975068).
Provider details
- NPI number
- 1295975068
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101021507 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
27 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) |
|---|---|---|
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 16 | $188 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 11 | $187 |
Typical Medicare-allowed amounts for these services range $187–$188 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 3 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 49 | 35 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 29 | 29 |
| Ibuprofen | 19 | 19 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (1)
- 421 S Baldwin StGreenville, MI 48838-2102Phone: (616) 225-8667
Registry dates
- Enumerated
- 2009-03-05
- Last updated
- 2021-02-23
- Certified
- 2021-02-23
Frequently asked questions
- What is Thomas Ziolkowski's NPI number?
- Thomas Ziolkowski's National Provider Identifier (NPI) is 1295975068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ziolkowski's specialty?
- Thomas Ziolkowski is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ziolkowski located?
- Thomas Ziolkowski's practice location on file with NPPES is 707 S Greenville West Dr, Greenville, MI 48838-2102.
- What is Thomas Ziolkowski's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ziolkowski is (616) 754-3001.
- Does Thomas Ziolkowski accept Medicare?
- Thomas Ziolkowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ziolkowski's NPI active?
- Yes — Thomas Ziolkowski's NPI (1295975068) is active in the NPPES registry as of the last update on 2021-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.