NPPES file of Aug 9, 2026

Robert Riekse, MD

Geriatric Medicine (Internal Medicine) Physician · Grand Rapids, MI

Robert Riekse, MD is a geriatric medicine (internal medicine) physician with a practice address in Grand Rapids, Michigan, and NPI 1225081672, issued on May 18, 2006. Check the license (Michigan 4301070687, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225081672
Name
Robert Riekse
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
4301070687 MI
Self-reported in NPPES; status is on the state search
Practice location
200 Jefferson Ave SE, Grand Rapids, MI 49503
Phone
(616) 685-1835
Enumerated
May 18, 2006
Record last updated
Jul 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(616) 685-1846
Medicaid IDs
4731700 MI
4844740 MI
4877901 MI
Medicare enrollment
Enrolled (PECOS I20050613001293); accepts Medicare assignment
Medical or professional school
Michigan College Of Medicine And Surgery, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 184 in Michigan → Look up another NPI →

Also registered at 200 Jefferson Ave SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kay Aardema, MDAnatomic Pathology & Clinical Pathology Physician1407840051
  2. Olivia Adgate, CTRSRecreation Therapist1497613293
  3. Jacob Al-Kharusy, MDAnesthesiology Physician1043876659
  4. Evien Albazi, MDDiagnostic Radiology Physician1053168633
  5. Adam Anderson, MDEmergency Medicine Physician1003805268
  6. Arslan ArshadNeonatal-Perinatal Medicine Physician1538582911

Verify Robert Riekse in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301070687    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5.4 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024

22,762 Medicare Part D claims for 516 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 631 claims were for opioids.

  1. Robert Riekse22,762
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium1,161 claims
  2. Amlodipine Besylate931 claims
  3. Torsemide817 claims
  4. Sertraline Hcl805 claims
  5. Omeprazole732 claims
  6. Atorvastatin Calcium699 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

  1. Saint Mary's Health ServicesGrand Rapids, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Riekse among 184 geriatric medicine (internal medicine) physician records in Michigan

Robert Riekse, MD is one of 184 geriatric medicine (internal medicine) physician records with a practice address in Michigan. 76% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 43% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated1997 · median 1997 among the 99 with a school on file
  • Record last updated2011 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Michigan

There are 184 geriatric medicine (internal medicine) physician records in Michigan.

All 184 in Michigan → Every provider in Grand Rapids → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Shruti Anand, MDGrand Rapids, MI 495031063908416
  2. Madelon Krissoff, MDGrand Rapids, MI 495031134340003
  3. Kathleen Mosentine, MDGrand Rapids, MI 495031043251275
  4. Michael Post, MDGrand Rapids, MI 495031841307154
  5. Venkatanagaraja Vadlamudi, MDGrand Rapids, MI 495031902035660
  6. Keith Vanoosterhout, MDGrand Rapids, MI 495031851329957
  7. June Jones, MD.Grand Rapids, MI 495081730256389
  8. Rick Saier, MDWalker, MI 495341750459285

Common questions

What is Robert Riekse, MD's NPI number?

Robert Riekse, MD's National Provider Identifier (NPI) is 1225081672, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Riekse, MD located?

The NPPES record lists a practice address at 200 Jefferson Ave SE, Grand Rapids, MI, 49503. Phone: (616) 685-1835. Providers update this record themselves, so call before visiting.

How can I verify Robert Riekse, MD's license?

NPPES lists Michigan license number 4301070687, 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 Riekse, MD prescribe under Medicare Part D?

In 2024, Robert Riekse, MD had 22,762 Medicare Part D claims for 516 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.