Catherine Riffle, PA
Physician Assistant · Plymouth, MI
Catherine Riffle, PA is a physician assistant with a practice address in Plymouth, Michigan, and NPI 1467552968, issued on Sep 24, 2006. Check the license (Michigan 5601001648, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Riffle
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601001648 MI
Self-reported in NPPES; status is on the state search - Practice location
- 990 W Ann Arbor Trl, Plymouth, MI 48170
- Phone
- (734) 414-1090
- Enumerated
- Sep 24, 2006
- Record last updated
- May 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (734) 414-1089
- Medicare enrollment
- Enrolled (PECOS I20140301000061); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 990 W Ann Arbor Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Becker, MDPediatrics Physician1962441147
- Dawn Cipa, NP-CNurse Practitioner1770606170
- Cynthia Culler-Johnson, MDInternal Medicine Physician1023074648
- Nicole Dillon, NPPediatric Nurse Practitioner1457595357
- Stephanie Donovan, DPMPodiatrist1992095467
- Craig Gertner, M.D.Internal Medicine Physician1780027805
Verify Catherine Riffle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601001648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average physician assistant in 2024
287 Medicare Part D claims for 89 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Estradiol106 claims
- Alendronate Sodium32 claims
- Clotrimazole-Betamethasone19 claims
- Fluconazole18 claims
- Clobetasol Propionate11 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
- Iha Health Services CorporationCanton, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Riffle among 6,989 physician assistant records in Michigan
Catherine Riffle, PA 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1985 · median 2017 among the 4,739 with a school on file
- Record last updated2016 · 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).
Physician Assistant providers in Michigan
There are 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Plymouth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Chelsey Chojnacki, PA-CPlymouth, MI 481701386376093
- Mateusz ConradoPlymouth, MI 481701710717202
- Hayat Dabaja, PA-CPlymouth, MI 481701023740149
- William Graham, PHYSICIAN ASSISTANTPlymouth, MI 481701043812308
- Kelly Jew-Garcia, PA-CPlymouth, MI 481701659905156
- Dennis Kabaczy, PAPlymouth, MI 481701194930214
- Melanie Moore, PA-CPlymouth, MI 481701861024606
- Kathryn PoulosPlymouth, MI 481701083988323
Common questions
What is Catherine Riffle, PA's NPI number?
Catherine Riffle, PA's National Provider Identifier (NPI) is 1467552968, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Riffle, PA located?
The NPPES record lists a practice address at 990 W Ann Arbor Trl, Plymouth, MI, 48170. Phone: (734) 414-1090. Providers update this record themselves, so call before visiting.
How can I verify Catherine Riffle, PA's license?
NPPES lists Michigan license number 5601001648, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Riffle, PA prescribe under Medicare Part D?
In 2024, Catherine Riffle, PA had 287 Medicare Part D claims for 89 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.