Michael O'Reilly, M.D.
Obstetrics & Gynecology Physician · Shelton, CT
Michael O'Reilly, M.D. is an obstetrics & gynecology physician with a practice address in Shelton, Connecticut, and NPI 1891723995, issued on Jun 28, 2006. Check the license (Connecticut 031581, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael O'Reilly
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 031581 CT
Self-reported in NPPES; status is on the state search - Practice location
- 4 Corporate Dr, Shelton, CT 06484
- Phone
- (203) 944-9898
- Enumerated
- Jun 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 944-9899
- Medicaid ID
- 001315812 CT
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 4 Corporate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Piotr Baginski, MDInternal Medicine Physician1164449906
- Grace Bandow, M.D.Dermatology Physician1871709147
- Jessica Bursell, PA-CPhysician Assistant1073848495
- Julie Cantatore-Francis, MDPediatric Dermatology Physician1235334913
- Richard Carroll, M.D.Pediatrics Physician1922011766
Verify Michael O'Reilly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 031581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 89.9 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).
Michael O'Reilly among 707 obstetrics & gynecology physician records in Connecticut
Michael O'Reilly, M.D. is one of 707 obstetrics & gynecology physician records with a practice address in Connecticut. 81% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 65% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Connecticut
There are 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in Shelton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rachel Bernstein, M.D.Shelton, CT 064841063947372
- Jillian Dolan, MDShelton, CT 064841326509423
- Xiaolan Fei, M.D.Shelton, CT 064841548571037
- Dorothy Gutwein, M.D.Shelton, CT 064841366488256
- Rachel Leonardi, D.O.Shelton, CT 064841669468534
- Scott Vander Vennet, MDShelton, CT 064841427087980
- Amy Breakstone, MDSouthington, CT 064891568565638
- Wendy Latshaw, MDSouthington, CT 064891326139056
Common questions
What is Michael O'Reilly, M.D.'s NPI number?
Michael O'Reilly, M.D.'s National Provider Identifier (NPI) is 1891723995, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael O'Reilly, M.D. located?
The NPPES record lists a practice address at 4 Corporate Dr, Shelton, CT, 06484. Phone: (203) 944-9898. Providers update this record themselves, so call before visiting.
How can I verify Michael O'Reilly, M.D.'s license?
NPPES lists Connecticut license number 031581, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michael O'Reilly, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 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.