Kathryn Ann O'Brien, M.D.
Family Medicine Physician · Tucson, AZ
Kathryn Ann O'Brien, M.D. is a family medicine physician with a practice address in Tucson, Arizona, and NPI 1689906810, issued on Feb 15, 2010. Check the license (Arizona 42310, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathryn Ann O'Brien
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 42310 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 140 W Speedway Blvd, Tucson, AZ 85705
- Phone
- (520) 628-7871
- Enumerated
- Feb 15, 2010
- Record last updated
- Feb 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (520) 770-8528
- Entity
- Type 1 · individual
Also registered at 140 W Speedway Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Carey, RN,MA,PMHCNS-BC, LPCAdult Psychiatric/Mental Health Registered Nurse1770860421
- Frances Catinella, RD, CDEMetabolic Nutrition Registered Dietitian1235246273
- Elizabeth Christensen, LPCProfessional Counselor1831534171
- Kathryn ConwayClinical Social Worker1457607970
- Patricia Ferrer, PACMedical Physician Assistant1275541161
- Joseph Ponce, LPCProfessional Counselor1285061317
Verify Kathryn Ann O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 42310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
554 family medicine physician records list a practice address in Tucson
They are 554 of the 18,788 NPPES records with a practice address in Tucson, and 3,119 family medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 554 in Tucson → All 3,119 in Arizona → Every provider in Tucson →
Other family medicine physician records in Arizona
- Muhammad Aamer, M.D.Yuma, AZ1437574720
- Ndidi Abara, M.D.Yuma, AZ1295115145
- Steven Abdelmalak, MDScottsdale, AZ1205092806
- Daniel Abelev, MDPhoenix, AZ1417573163
- Lindsey Abeyta, FNPTucson, AZ1043027857
- Modupeola Abiodun, M.D.Chandler, AZ1225326853
- Sara Abolmolouk, MDTucson, AZ1497043715
- Ahmed Abouzeid, MDGlendale, AZ1871619601
- Edward Abraham, M.D.Phoenix, AZ1144593211
- Rebecca Abraham, M.D.Surprise, AZ1437273323
Common questions
What is Kathryn Ann O'Brien, M.D.'s NPI number?
Kathryn Ann O'Brien, M.D.'s National Provider Identifier (NPI) is 1689906810, issued on Feb 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Ann O'Brien, M.D. located?
The NPPES record lists a practice address at 140 W Speedway Blvd, Tucson, AZ, 85705. Phone: (520) 628-7871. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Ann O'Brien, M.D.'s license?
NPPES lists Arizona license number 42310, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. 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.