Robert Riley, MD
Internal Medicine Physician · Grand Rapids, MI
Robert Riley, MD is an internal medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1659310399, issued on Jun 6, 2006. Check the license (Michigan 4301071430, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Robert Riley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4301071430 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4100 Lake Dr SE, Grand Rapids, MI 49546
- Phone
- (616) 974-4820
- Enumerated
- Jun 6, 2006
- Record last updated
- Jan 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100210000676); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 4100 Lake Dr SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chaitanya Acharya, MDPulmonary Disease Physician1902853880
- Olusanjo Adeoye, MD, MBASports Medicine (Orthopaedic Surgery) Physician1477716348
- Elizabeth Albert, AT, ATCAthletic Trainer1619332806
- Emily Aldrich, MS, AT, ATCAthletic Trainer1417361478
- Kristi Anderson, FNP-CFamily Nurse Practitioner1821784141
- Kimberly Andrulis, RDRegistered Dietitian1851651269
Verify Robert Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301071430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,083 Medicare Part D claims for 346 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium406 claims
- Losartan Potassium213 claims
- Amlodipine Besylate204 claims
- Levothyroxine Sodium157 claims
- Lisinopril131 claims
- Rosuvastatin Calcium110 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 3 group practices
- Center For Physical Rehabilitation And Therapy LPGrand Rapids, MI
- Center For Physical Rehabilitation IncGrand Rapids, MI
- Metropolitan HospitalGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Riley among 5,735 internal medicine physician records in Michigan
Robert Riley, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2006 among the 3,564 with a school on file
- Record last updated2011 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
451 internal medicine physician records list a practice address in Grand Rapids
They are 451 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Grand Rapids → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Piyush Bhatnagar, M.D.Grand Rapids, MI 495461811961907
- Karen Gawel, MDGrand Rapids, MI 495461497702799
- Sam Giovannucci, MDGrand Rapids, MI 495461164478509
- Ronald Hoogmoed, M.D.Grand Rapids, MI 495461184673121
- Roderick Kim, M.D.Grand Rapids, MI 495461922066984
- Robert Lang, MDGrand Rapids, MI 495461871597377
- Kenneth Nelson, M.D.Grand Rapids, MI 495461811945710
- Marian Oleszkowicz, MDGrand Rapids, MI 495461487600888
Common questions
What is Robert Riley, MD's NPI number?
Robert Riley, MD's National Provider Identifier (NPI) is 1659310399, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Riley, MD located?
The NPPES record lists a practice address at 4100 Lake Dr SE, Grand Rapids, MI, 49546. Phone: (616) 974-4820. Providers update this record themselves, so call before visiting.
How can I verify Robert Riley, MD's license?
NPPES lists Michigan license number 4301071430, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Riley, MD prescribe under Medicare Part D?
In 2024, Robert Riley, MD had 3,083 Medicare Part D claims for 346 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.