John O'Connor, D.O.
Family Medicine Physician · Marietta, OK
John O'Connor, D.O. is a family medicine physician with a practice address in Marietta, Oklahoma, and NPI 1831140193, issued on May 12, 2006. Check the license (Oklahoma 1634, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John O'Connor
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1634 OK
Self-reported in NPPES; status is on the state search - Practice location
- 301 Wanda St, Marietta, OK 73448
- Phone
- (580) 276-2400
- Enumerated
- May 12, 2006
- Entity
- Type 1 · individual
Also registered at 301 Wanda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nikki Barker, DNP, APRN-CNPFamily Nurse Practitioner1316584253
- Stacy Goode, MDFamily Medicine Physician1225248784
- Stephen Hutchins, M.D.Family Medicine Physician1073564597
- Patricia Owens, FNPNurse Practitioner1871544338
- Larry Powell, M.D.Family Medicine Physician1144271669
Verify John O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 1634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5 family medicine physician records list a Marietta practice address
They are 5 of the 33 NPPES records with a Marietta practice address, and 2,217 family medicine physician records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5 in Marietta → All 2,217 in Oklahoma → Every provider in Marietta →
Other family medicine physician records in Oklahoma
- Michael Aaron, M.D.Weatherford, OK1700958659
- Nicole Abel, DOTulsa, OK1073142022
- Robert Abell, MDOklahoma City, OK1336179126
- Penny AberOklahoma City, OK1982530432
- Bob Abernathy, DOCordell, OK1114920071
- Rochelle Ablah, MDOklahoma City, OK1366656647
- Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
- Akram Abraham, M.D.Hollis, OK1609857754
- John Abraham, MDTulsa, OK1962634535
- Rebecca Abraham, MDTulsa, OK1760610422
Common questions
What is John O'Connor, D.O.'s NPI number?
John O'Connor, D.O.'s National Provider Identifier (NPI) is 1831140193, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John O'Connor, D.O. located?
The NPPES record lists a practice address at 301 Wanda St, Marietta, OK, 73448. Phone: (580) 276-2400. Providers update this record themselves, so call before visiting.
How can I verify John O'Connor, D.O.'s license?
NPPES lists Oklahoma license number 1634, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.