Thomas Gerard Zaciewski, MD
Urology Physician · Tiffin, OH
Thomas Gerard Zaciewski, MD is a urology physician with a practice address in Tiffin, Ohio, and NPI 1467618447, issued on Jul 30, 2008. Check the license (Ohio 57.013762, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Thomas Gerard Zaciewski
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- 57.013762 OH
35.121250 OH
Self-reported in NPPES; status is on the state search - Practice location
- 27 St Lawrence Dr, Tiffin, OH 44883
- Phone
- (419) 455-8570
- Enumerated
- Jul 30, 2008
- Record last updated
- Jul 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (419) 455-8579
- Medicare enrollment
- Enrolled (PECOS I20130827000242); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 531 in Ohio → Look up another NPI →
Also registered at 27 St Lawrence Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Gase, M.D.Family Medicine Physician1760475909
- Kathryn Gruenemeyer, OTR/LOccupational Therapist1124566351
Verify Thomas Gerard Zaciewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 57.013762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average urology physician in 2024
1,028 Medicare Part D claims for 419 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Tamsulosin Hcl417 claims
- Oxybutynin Chloride Er103 claims
- Myrbetriq81 claims
- Finasteride66 claims
- Ciprofloxacin Hcl53 claims
- Trospium Chloride46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $475.81
14 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Wyandot Memorial HospitalUpper Sandusky, OH · Critical Access Hospitals5 of 5 stars
- Mercy Health Physicians North Specialty Care LLCTiffin, OH
- Specialty Physicians OF Blanchard Valley LLCFindlay, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Thomas Gerard Zaciewski among 531 urology physician records in Ohio
Thomas Gerard Zaciewski, MD is one of 531 urology physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2003 among the 352 with a school on file
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Ohio
There are 531 urology physician records in Ohio.
All 531 in Ohio → Every provider in Tiffin → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Marvin Kazmin, M.D.Willard, OH 448901740284660
- Gregory Cook, MDSandusky, OH 448701528064904
- Kathy Lue, M.D.Sandusky, OH 448701457714727
- Robert Rice, MDSandusky, OH 448701760488753
- Donald Smith, MDSandusky, OH 448701538134713
- Patrick Waters, MDSandusky, OH 448701720084718
- Stjepan Gardilcic, M.D.Mansfield, OH 449061245261015
- Andrew Park, M.D.Mansfield, OH 449061730610718
Common questions
What is Thomas Gerard Zaciewski, MD's NPI number?
Thomas Gerard Zaciewski, MD's National Provider Identifier (NPI) is 1467618447, issued on Jul 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Gerard Zaciewski, MD located?
The NPPES record lists a practice address at 27 St Lawrence Dr, Tiffin, OH, 44883. Phone: (419) 455-8570. Providers update this record themselves, so call before visiting.
How can I verify Thomas Gerard Zaciewski, MD's license?
NPPES lists Ohio license number 57.013762, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Gerard Zaciewski, MD prescribe under Medicare Part D?
In 2024, Thomas Gerard Zaciewski, MD had 1,028 Medicare Part D claims for 419 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.