Riley Collins, M.D.
Obstetrics & Gynecology Physician · Royal Oak, MI
Riley Collins, M.D. is an obstetrics & gynecology physician with a practice address in Royal Oak, Michigan, and NPI 1669823597, issued on Jun 22, 2016. Check the license (Michigan 4301109537, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Riley Collins
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 4301109537 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3535 W 13 Mile RD Ste 329, Royal Oak, MI 48073
- Phone
- (248) 551-1399
- Enumerated
- Jun 22, 2016
- Record last updated
- May 19, 2026
- Fax
- (248) 551-5158
- Medicare enrollment
- Enrolled (PECOS I20200713000568); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 3535 W 13 Mile RD Ste 329
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taylor Degiulio, MDObstetrics & Gynecology Physician1992365720
- Ylbe Franco-Marx, MDObstetrics & Gynecology Physician1609039940
- Kelsa Kazyak, MDObstetrics & Gynecology Physician1144960048
- Shreya Mullapudi, DOObstetrics & Gynecology Physician1396689683
- Theodoros Vlachos, M.D.Obstetrics & Gynecology Physician1063472165
Verify Riley Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301109537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
93 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Beaumont Medical Group- Specialty ServicesFarmington Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Riley Collins among 1,776 obstetrics & gynecology physician records in Michigan
Riley Collins, M.D. is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 71% of them.
- NPI issued2016 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2007 among the 1,003 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 obstetrics & gynecology physician records list a practice address in Royal Oak
They are 66 of the 3,887 NPPES records with a practice address in Royal Oak, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Royal Oak → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mushtak Abbou, MDRoyal Oak, MI 480731093796922
- Andrew Check, MDRoyal Oak, MI 480731790766095
- Lance ChristiansenRoyal Oak, MI 480731578522116
- Clarissa Cowles, MDRoyal Oak, MI 480731356359202
- Eduardo Garcia, M.D.Royal Oak, MI 480731851382006
- Leonard GerhardsteinRoyal Oak, MI 480731508826637
- Ty Kwaiser, MDRoyal Oak, MI 480731922039742
- Richard LagrandeurRoyal Oak, MI 480731235199928
Common questions
What is Riley Collins, M.D.'s NPI number?
Riley Collins, M.D.'s National Provider Identifier (NPI) is 1669823597, issued on Jun 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Riley Collins, M.D. located?
The NPPES record lists a practice address at 3535 W 13 Mile RD Ste 329, Royal Oak, MI, 48073. Phone: (248) 551-1399. Providers update this record themselves, so call before visiting.
How can I verify Riley Collins, M.D.'s license?
NPPES lists Michigan license number 4301109537, 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 Riley Collins, M.D. prescribe under Medicare Part D?
In 2024, Riley Collins, M.D. had 93 Medicare Part D claims for 39 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Riley Collins, M.D.'s MIPS final score?
The 2023 MIPS final score is 81 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.