Spencer Patrick Riva, PA-C
Physician Assistant · Grand Rapids, MI
Spencer Patrick Riva, PA-C is a physician assistant with a practice address in Grand Rapids, Michigan, and NPI 1497296594, issued on Mar 9, 2017. Check the license (Michigan 5601008130, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer Patrick Riva
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601008130 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1246 Madison Ave SE, Grand Rapids, MI 49507
- Phone
- (616) 685-8300
- Enumerated
- Mar 9, 2017
- Record last updated
- Mar 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170321001362); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 1246 Madison Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Adyniec, NPFamily Nurse Practitioner1720006562
- Jennifer DroskiSocial Worker1013444868
- Brianna Kilner, MDInternal Medicine Physician1548587231
- Seohyun Lapointe, NPFamily Nurse Practitioner1689247348
- Walter Metcalfe, MDFamily Medicine Physician1225075898
- Bradley RobinsonClinical Social Worker1770937989
Verify Spencer Patrick Riva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601008130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average physician assistant in 2024
1,343 Medicare Part D claims for 166 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium128 claims
- Amlodipine Besylate89 claims
- Lisinopril51 claims
- Trulicity46 claims
- Metformin Hcl43 claims
- Albuterol Sulfate Hfa36 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
- Advantage Health/saint Mary's Medical GroupCaledonia, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Patrick Riva among 6,989 physician assistant records in Michigan
Spencer Patrick Riva, 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 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2017 among the 4,739 with a school on file
- Record last updated2017 · 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).
913 physician assistant records list a practice address in Grand Rapids
They are 913 of the 18,005 NPPES records with a practice address in Grand Rapids, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Grand Rapids → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jessica Fifelski, PAGrand Rapids, MI 495071649942335
- Melissa Malinoski, PA-CGrand Rapids, MI 495071366814931
- Andrea Adler, PAGrand Rapids, MI 495061295591618
- Lucas Albrecht, PA-CGrand Rapids, MI 495061275369670
- Sarah BergmanGrand Rapids, MI 495061225960487
- Anastasia Carson, PAGrand Rapids, MI 495061366195406
- Charles Craig, PA-CGrand Rapids, MI 495061932812369
- Jack Degroot, PA-CGrand Rapids, MI 495081982950960
Common questions
What is Spencer Patrick Riva, PA-C's NPI number?
Spencer Patrick Riva, PA-C's National Provider Identifier (NPI) is 1497296594, issued on Mar 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Patrick Riva, PA-C located?
The NPPES record lists a practice address at 1246 Madison Ave SE, Grand Rapids, MI, 49507. Phone: (616) 685-8300. Providers update this record themselves, so call before visiting.
How can I verify Spencer Patrick Riva, PA-C's license?
NPPES lists Michigan license number 5601008130, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Spencer Patrick Riva, PA-C prescribe under Medicare Part D?
In 2024, Spencer Patrick Riva, PA-C had 1,343 Medicare Part D claims for 166 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.