Ryan James Greiner, M.D.
Hospitalist Physician · Robbinsdale, MN
Ryan James Greiner, M.D. is a hospitalist physician with a practice address in Robbinsdale, Minnesota, and NPI 1710270665, issued on May 25, 2011. Check the license (Minnesota 57226, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Ryan James Greiner
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 57226 MN
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Oakdale Ave N, Robbinsdale, MN 55422
- Phone
- (637) 581-2449
- Enumerated
- May 25, 2011
- Record last updated
- Dec 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20140324002069); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 401 in Minnesota → Look up another NPI →
Also registered at 3300 Oakdale Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Aberle, MDFamily Medicine Physician1639732928
- Bonnie Adkins-Finke, MDAnesthesiology Physician1346293040
- Ese Aghenta, M.B.B.S.Hospitalist Physician1972921567
- Abdulqadir Ahmad, D.OInfectious Disease Physician1366707556
- Umair Ahmed, M.D.Internal Medicine Physician1760865430
- Sharmin Alam, M.D.Internal Medicine Physician1932392446
Verify Ryan James Greiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 57226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average hospitalist physician in 2024
166 Medicare Part D claims for 21 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate24 claims
- Eliquis21 claims
- Amiodarone Hcl17 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
- North Memorial Health CareRobbinsdale, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan James Greiner among 401 hospitalist physician records in Minnesota
Ryan James Greiner, M.D. is one of 401 hospitalist physician records with a practice address in Minnesota. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 43% of them.
- NPI issued2011 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2011 · median 2011 among the 354 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Minnesota
There are 401 hospitalist physician records in Minnesota.
All 401 in Minnesota → Every provider in Robbinsdale → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ese Aghenta, M.B.B.S.Robbinsdale, MN 554221972921567
- Edward Anafi, MDRobbinsdale, MN 554221841429461
- Salah Anwar, MDRobbinsdale, MN 554221548521628
- Jodi Blustin, MDRobbinsdale, MN 554221356606982
- Daryl Goh, MDRobbinsdale, MN 554221538681929
- Hina Guezmir, MDGolden Valley, MN 554221396076279
- Vandana Gupta, M.D.Golden Valley, MN 554221376613497
- Lemuel Vawter, MDRobbinsdale, MN 554221447400312
Common questions
What is Ryan James Greiner, M.D.'s NPI number?
Ryan James Greiner, M.D.'s National Provider Identifier (NPI) is 1710270665, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ryan James Greiner, M.D. located?
The NPPES record lists a practice address at 3300 Oakdale Ave N, Robbinsdale, MN, 55422. Phone: (637) 581-2449. Providers update this record themselves, so call before visiting.
How can I verify Ryan James Greiner, M.D.'s license?
NPPES lists Minnesota license number 57226, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan James Greiner, M.D. prescribe under Medicare Part D?
In 2024, Ryan James Greiner, M.D. had 166 Medicare Part D claims for 21 beneficiaries; the average among hospitalist physician prescribers was 521. 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.