John William O'Brien, M.D.
Physical Medicine & Rehabilitation Physician · Wallingford, CT
John William O'Brien, M.D. is a physical medicine & rehabilitation physician with a practice address in Wallingford, Connecticut, and NPI 1447288741, issued on Jun 28, 2006. Check the license (Connecticut 024998, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John William O'Brien
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 024998 CT
Self-reported in NPPES; status is on the state search - Practice location
- Gaylord Farm RD., Wallingford, CT 06492
- Phone
- (203) 284-2800
- 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) 679-3598
- Entity
- Type 1 · individual
Also registered at Gaylord Farm RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Hutt, PH.D.Psychologist1033257803
Verify John William O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 024998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12 physical medicine & rehabilitation physician records list a practice address in Wallingford
They are 12 of the 863 NPPES records with a practice address in Wallingford, and 192 physical medicine & rehabilitation physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12 in Wallingford → All 192 in Connecticut → Every provider in Wallingford →
Other physical medicine & rehabilitation physician records in Connecticut
- Beth Aaronson, M.D.Danbury, CT1417991456
- Kathleen Abbott, M.D.Hartford, CT1619901378
- Mohammad Aljanaby, M.D.West Hartford, CT1003857707
- Nycaine Anderson, MDNew Haven, CT1265692545
- Sharmila Anugu, PTStamford, CT1053396069
- Paul Appleton, M.D.Naugatuck, CT1134186174
- Albert Ardao, MDNew London, CT1831223700
- Kwame Asante, MDHartford, CT1447570007
- Marilyn BagleyWest Hartford, CT1285149674
- Raghubinder Bajwa, M.D.Hartford, CT1508817107
Common questions
What is John William O'Brien, M.D.'s NPI number?
John William O'Brien, M.D.'s National Provider Identifier (NPI) is 1447288741, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John William O'Brien, M.D. located?
The NPPES record lists a practice address at Gaylord Farm RD., Wallingford, CT, 06492. Phone: (203) 284-2800. Providers update this record themselves, so call before visiting.
How can I verify John William O'Brien, M.D.'s license?
NPPES lists Connecticut license number 024998, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.