Amanda Marie Ritzer, PA-C
Physician Assistant · Portage, MI
Amanda Marie Ritzer, PA-C is a physician assistant with a practice address in Portage, Michigan, and NPI 1437937489, issued on Sep 20, 2023. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amanda Marie Ritzer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 7901 Angling RD, Portage, MI 49024
- Phone
- (269) 324-8600
- Enumerated
- Sep 20, 2023
- Record last updated
- Sep 26, 2024
- Fax
- (269) 324-8609
- Medicare enrollment
- Enrolled (PECOS I20231113000866); accepts Medicare assignment
- Medical or professional school
- Western Michigan Un Homer Stryker School Of Med, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 7901 Angling RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shar'Da Brooks, FNP-CFamily Nurse Practitioner1801626627
- Linda Campbell, PAFamily Medicine Physician1447294574
Verify Amanda Marie Ritzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average physician assistant in 2024
385 Medicare Part D claims for 136 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium16 claims
- Amlodipine Besylate15 claims
- Metoprolol Succinate15 claims
- Levothyroxine Sodium14 claims
- Rosuvastatin Calcium13 claims
- Hydrochlorothiazide12 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: $186.84
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 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
- Paragon Health PCKalamazoo, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amanda Marie Ritzer among 6,989 physician assistant records in Michigan
Amanda Marie Ritzer, 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · 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).
49 physician assistant records list a practice address in Portage
They are 49 of the 1,492 NPPES records with a practice address in Portage, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Portage → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Steven Abshagen, P.A.Portage, MI 490241649322678
- Nancy Beckman, P.A.Portage, MI 490241295811768
- Douglas Diemer, PA-CPortage, MI 490241518037878
- Melissa Dusseljee, PA-CPortage, MI 490241861415002
- Allan Faust, PA-CPortage, MI 490241396851473
- Jeffry Freeman, PAPortage, MI 490241285745950
- Erin Grabowski, PAPortage, MI 490241841440872
- Shanae Hanoute, PA-CPortage, MI 490241215917836
Common questions
What is Amanda Marie Ritzer, PA-C's NPI number?
Amanda Marie Ritzer, PA-C's National Provider Identifier (NPI) is 1437937489, issued on Sep 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Amanda Marie Ritzer, PA-C located?
The NPPES record lists a practice address at 7901 Angling RD, Portage, MI, 49024. Phone: (269) 324-8600. Providers update this record themselves, so call before visiting.
How can I verify Amanda Marie Ritzer, PA-C's license?
Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Amanda Marie Ritzer, PA-C prescribe under Medicare Part D?
In 2024, Amanda Marie Ritzer, PA-C had 385 Medicare Part D claims for 136 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.