Rachel Eileen O'Byrne, MD
Family Medicine Physician · Saint Clair Shores, MI
Rachel Eileen O'Byrne, MD is a family medicine physician with a practice address in Saint Clair Shores, Michigan, and NPI 1376503151, issued on Mar 24, 2006. Check the license (Michigan 4301086067, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Rachel Eileen O'Byrne
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301086067 MI
Self-reported in NPPES; status is on the state search - Practice location
- 21099 Masonic Blvd, Saint Clair Shores, MI 48082
- Phone
- (586) 296-6213
- Enumerated
- Mar 24, 2006
- Record last updated
- Mar 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (586) 296-8180
- Medicaid ID
- 4760631 MI
- Medicare enrollment
- Enrolled (PECOS I20050912000562); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 21099 Masonic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwame Francis, M.D.Family Medicine Physician1841470481
- Chandrika Iyer, MDFamily Medicine Physician1306895065
- Veena Panthangi, M.D.Family Medicine Physician1467571463
- Barry Scofield, MDFamily Medicine Physician1699725481
- Jeanette Wilson, M.D.Family Medicine Physician1376926865
Verify Rachel Eileen O'Byrne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301086067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average family medicine physician in 2024
2,692 Medicare Part D claims for 177 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 88 claims were for opioids.
Most prescribed
- Atorvastatin Calcium214 claims
- Metoprolol Succinate103 claims
- Lisinopril90 claims
- Levothyroxine Sodium89 claims
- Losartan Potassium80 claims
- Metformin Hcl76 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
- Henry Ford Health St. John HospitalSaint Clair Shores, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Eileen O'Byrne among 6,013 family medicine physician records in Michigan
Rachel Eileen O'Byrne, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2002 · median 2008 among the 3,493 with a school on file
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
79 family medicine physician records list a practice address in Saint Clair Shores
They are 79 of the 1,255 NPPES records with a practice address in Saint Clair Shores, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Saint Clair Shores → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kwame Francis, M.D.Saint Clair Shores, MI 480821841470481
- Chandrika Iyer, MDSaint Clair Shores, MI 480821306895065
- Veena Panthangi, M.D.Saint Clair Shores, MI 480821467571463
- Barry Scofield, MDSaint Clair Shores, MI 480821699725481
- William Vornberger, MDSt Clair Shores, MI 480821972552560
- Jeanette Wilson, M.D.Saint Clair Shores, MI 480821376926865
- Christopher Blue, MDSaint Clair Shores, MI 480811265637458
- James BlumlineSaint Clair Shores, MI 480811831832138
Common questions
What is Rachel Eileen O'Byrne, MD's NPI number?
Rachel Eileen O'Byrne, MD's National Provider Identifier (NPI) is 1376503151, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Eileen O'Byrne, MD located?
The NPPES record lists a practice address at 21099 Masonic Blvd, Saint Clair Shores, MI, 48082. Phone: (586) 296-6213. Providers update this record themselves, so call before visiting.
How can I verify Rachel Eileen O'Byrne, MD's license?
NPPES lists Michigan license number 4301086067, 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 Rachel Eileen O'Byrne, MD prescribe under Medicare Part D?
In 2024, Rachel Eileen O'Byrne, MD had 2,692 Medicare Part D claims for 177 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.