Zachary Tomasoski, PA-C
Medical Physician Assistant · Owosso, MI
Zachary Tomasoski, PA-C is a medical physician assistant with a practice address in Owosso, Michigan, and NPI 1417470469, issued on Jul 21, 2017. Check the license (Michigan 5315226798, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Zachary Tomasoski
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 5315226798 MI
PA185145 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1485 E M 21, Owosso, MI 48867
- Phone
- (989) 494-0300
- Enumerated
- Jul 21, 2017
- Record last updated
- Sep 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,140 in Michigan → Look up another NPI →
Also registered at 1485 E M 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle AlvaradoFamily Nurse Practitioner1437692746
- Teresa Beard, FNPFamily Nurse Practitioner1740783844
- Andrea KraneFamily Nurse Practitioner1134738917
Verify Zachary Tomasoski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5315226798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average medical physician assistant in 2024
989 Medicare Part D claims for 574 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone193 claims
- Cephalexin116 claims
- Azithromycin75 claims
- Fluticasone Propionate74 claims
- Promethazine Hcl45 claims
- Amoxicillin37 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: $30.13
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Zachary Tomasoski among 1,140 medical physician assistant records in Michigan
Zachary Tomasoski, PA-C is one of 1,140 medical physician assistant records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2021 · 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 363AM0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Michigan
There are 1,140 medical physician assistant records in Michigan.
All 1,140 in Michigan → Every provider in Owosso → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Nicole Thomas, PA-COwosso, MI 488671316618978
- Sara Deringer-Kohorst, PA-COvid, MI 488661962740266
- Michelle Gormas, PAOkemos, MI 488641144479148
- Caitlin Mathison, PA-COkemos, MI 488641194152553
- Timothy Sloan, PA-COkemos, MI 488641265623425
- Anne Teremi, PA-COkemos, MI 488641831278092
- Jeanie Jones, PA-CMuir, MI 488601518779560
- Allan Riggs, M.S., P.A.-CMt Pleasant, MI 488591023075215
Common questions
What is Zachary Tomasoski, PA-C's NPI number?
Zachary Tomasoski, PA-C's National Provider Identifier (NPI) is 1417470469, issued on Jul 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Tomasoski, PA-C located?
The NPPES record lists a practice address at 1485 E M 21, Owosso, MI, 48867. Phone: (989) 494-0300. Providers update this record themselves, so call before visiting.
How can I verify Zachary Tomasoski, PA-C's license?
NPPES lists Michigan license number 5315226798, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Zachary Tomasoski, PA-C prescribe under Medicare Part D?
In 2024, Zachary Tomasoski, PA-C had 989 Medicare Part D claims for 574 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.