Michael T. Fillenworth, PA
Medical Physician Assistant · Mt Pleasant, MI
Michael T. Fillenworth, PA is a medical physician assistant with a practice address in Mt Pleasant, Michigan, and NPI 1023111275, issued on Sep 6, 2006. Check the license (Michigan MF003215, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael T. Fillenworth
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- MF003215 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2591 South Leaton RD, Mt Pleasant, MI 48858
- Phone
- (989) 775-4664
- Enumerated
- Sep 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (989) 775-4680
- Medicare enrollment
- Enrolled (PECOS I20040731000272); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,140 in Michigan → Look up another NPI →
Also registered at 2591 South Leaton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Radawski, MDInternal Medicine Physician1962590687
Verify Michael T. Fillenworth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license MF003215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average medical physician assistant in 2024
486 Medicare Part D claims for 208 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Azithromycin109 claims
- Methylprednisolone94 claims
- Amoxicillin38 claims
- Amoxicillin-Clavulanate Potass31 claims
- Albuterol Sulfate Hfa23 claims
- Fluconazole23 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: $15.07
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Isabella Urgent Care PLLCMt Pleasant, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael T. Fillenworth among 1,140 medical physician assistant records in Michigan
Michael T. Fillenworth, PA 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 70% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1999 · median 2012 among the 613 with a school on file
- Record last updated2007 · 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 Mt Pleasant → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Norman Curtiss, PHARMD, PA-CMount Pleasant, MI 488581043042179
- Kyle Gandy, PAMt Pleasant, MI 488581154502623
- Maura Hemann, PAMt Pleasant, MI 488581821077264
- Carley Huelskamp, PA-CMt Pleasant, MI 488581093409054
- John Lopes, PA-CMt Pleasant, MI 488581578610614
- Marilyn McGinty, PAMt Pleasant, MI 488581811944168
- Abigail YonMount Pleasant, MI 488581194689810
- Allan Riggs, M.S., P.A.-CMt Pleasant, MI 488591023075215
Common questions
What is Michael T. Fillenworth, PA's NPI number?
Michael T. Fillenworth, PA's National Provider Identifier (NPI) is 1023111275, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael T. Fillenworth, PA located?
The NPPES record lists a practice address at 2591 South Leaton RD, Mt Pleasant, MI, 48858. Phone: (989) 775-4664. Providers update this record themselves, so call before visiting.
How can I verify Michael T. Fillenworth, PA's license?
NPPES lists Michigan license number MF003215, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Michael T. Fillenworth, PA prescribe under Medicare Part D?
In 2024, Michael T. Fillenworth, PA had 486 Medicare Part D claims for 208 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.