Michael John Tolkacz, MD
Surgical Oncology Physician · Providence, RI
Michael John Tolkacz, MD is a surgical oncology physician with a practice address in Providence, Rhode Island, and NPI 1144887241, issued on May 23, 2019. Check the license (Rhode Island CLP06776, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Michael John Tolkacz
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License numbers
- CLP06776 RI
4351044713 MI
Self-reported in NPPES; status is on the state search - Practice location
- 825 Chalkstone Ave, Providence, RI 02908
- Phone
- (401) 456-2000
- Enumerated
- May 23, 2019
- Record last updated
- Jul 8, 2025
- Entity
- Type 1 · individual
6 nearest surgical oncology physician records → All 7 in Rhode Island → Look up another NPI →
Also registered at 825 Chalkstone Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael John Tolkacz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license CLP06776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average surgical oncology physician in 2024
49 Medicare Part D claims for 36 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 32 claims were for opioids.
Most prescribed
- Oxycodone Hcl28 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: $14.78
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 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.
Surgical Oncology Physician providers in Rhode Island
There are 7 surgical oncology physician records in Rhode Island.
All 7 in Rhode Island → Every provider in Providence → Surgical Oncology Physician nationwide →
The 6 surgical oncology physician records with the nearest ZIP codes
- Ayana Allard-Picou, M.D.Providence, RI 029081235428384
- Steven Katz, M.D.Providence, RI 029081275793044
- Carl Winkler, MDProvidence, RI 029081063822161
- Timothy Murtha, M.D.Providence, RI 029051376989160
- Micaela Weaver, D.O.Providence, RI 029031992111884
- Jamie Patterson, MDWarwick, RI 028861922447242
Common questions
What is Michael John Tolkacz, MD's NPI number?
Michael John Tolkacz, MD's National Provider Identifier (NPI) is 1144887241, issued on May 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Tolkacz, MD located?
The NPPES record lists a practice address at 825 Chalkstone Ave, Providence, RI, 02908. Phone: (401) 456-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael John Tolkacz, MD's license?
NPPES lists Rhode Island license number CLP06776, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael John Tolkacz, MD prescribe under Medicare Part D?
In 2024, Michael John Tolkacz, MD had 49 Medicare Part D claims for 36 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.