Clark Anton Rizzardi, PA-C
Physician Assistant · Marshall, MI
Clark Anton Rizzardi, PA-C is a physician assistant with a practice address in Marshall, Michigan, and NPI 1063179877, issued on Nov 29, 2021. Check the license (Michigan 5601011214, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clark Anton Rizzardi
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601011214 MI
Self-reported in NPPES; status is on the state search - Practice location
- 879 E Michigan Ave, Marshall, MI 49068
- Phone
- (269) 781-4251
- Enumerated
- Nov 29, 2021
- Record last updated
- Aug 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20220816001113); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 879 E Michigan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Clark Anton Rizzardi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601011214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physician assistant in 2024
73 Medicare Part D claims for 45 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone12 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.
Bills Medicare through one group practice
- Springfield Urgent Care PLLCSaline, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clark Anton Rizzardi among 6,989 physician assistant records in Michigan
Clark Anton Rizzardi, PA-C is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 71% of them.
- NPI issued2021 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2017 among the 4,739 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 physician assistant records list a practice address in Marshall
They are 19 of the 309 NPPES records with a practice address in Marshall, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Marshall → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ronald Applebey, PAMarshall, MI 490681639301724
- Kaitlyn Britten, PA-C, ATCMarshall, MI 490681811530009
- Tescha Carr, P.A.Marshall, MI 490681710091913
- Desiree Cook, PA-CMarshall, MI 490681598102824
- Kimberly Cronk, PA-CMarshall, MI 490681609351857
- Wendy Davis, PACMarshall, MI 490681821188616
- Alison Grieme, PACMarshall, MI 490681184875080
- Samantha Grundemann, PA-CMarshall, MI 490681821490459
Common questions
What is Clark Anton Rizzardi, PA-C's NPI number?
Clark Anton Rizzardi, PA-C's National Provider Identifier (NPI) is 1063179877, issued on Nov 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Clark Anton Rizzardi, PA-C located?
The NPPES record lists a practice address at 879 E Michigan Ave, Marshall, MI, 49068. Phone: (269) 781-4251. Providers update this record themselves, so call before visiting.
How can I verify Clark Anton Rizzardi, PA-C's license?
NPPES lists Michigan license number 5601011214, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Clark Anton Rizzardi, PA-C prescribe under Medicare Part D?
In 2024, Clark Anton Rizzardi, PA-C had 73 Medicare Part D claims for 45 beneficiaries; the average among physician assistant prescribers was 830. 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.