John C. Hadley, DO
Family Medicine Physician · Dallas, OR
John C. Hadley, DO is a family medicine physician with a practice address in Dallas, Oregon, and NPI 1508889320, issued on Jul 25, 2006. Check the license (Oregon DO27341, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John C. Hadley
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO27341 OR
25413 CO
Self-reported in NPPES; status is on the state search - Practice location
- 525 SE Washington St, Dallas, OR 97338
- Phone
- (503) 623-8301
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 623-7337
- Medicaid ID
- 01254135 CO
- Entity
- Type 1 · individual
Also registered at 525 SE Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tiffany Duell, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1053942078
- Frazier Grace, CRNACertified Registered Nurse Anesthetist1760414213
- Kristine HarmonPharmacist1710351358
- Troy Hattan, PHYSICAL THERAPISTOrthopedic Physical Therapist1144845769
- Robert Hillstrom, D.O.Emergency Medicine Physician1811057862
- Gretel Honis, MDEmergency Medicine Physician1194760884
Verify John C. Hadley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO27341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14 family medicine physician records list a practice address in Dallas
They are 14 of the 410 NPPES records with a practice address in Dallas, and 2,847 family medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14 in Dallas → All 2,847 in Oregon → Every provider in Dallas →
Other family medicine physician records in Oregon
- Roxana Abbott, DOPortland, OR1275799082
- David Abdun-Nur, M.D.Grants Pass, OR1396737847
- Traci Ackron, D.O.Hillsboro, OR1336588789
- Orlando Acosta, MDHood River, OR1912990375
- Michele Adamcak, D.O.Tigard, OR1114097227
- Standley Adamek, DOTigard, OR1144515230
- Harry Adamo, MDSpringfield, OR1235191412
- Allyson AdamsClackamas, OR1043899537
- Caroline Adams, MDGresham, OR1164840815
- Justin Adams, M.D.Medford, OR1760616866
Common questions
What is John C. Hadley, DO's NPI number?
John C. Hadley, DO's National Provider Identifier (NPI) is 1508889320, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Hadley, DO located?
The NPPES record lists a practice address at 525 SE Washington St, Dallas, OR, 97338. Phone: (503) 623-8301. Providers update this record themselves, so call before visiting.
How can I verify John C. Hadley, DO's license?
NPPES lists Oregon license number DO27341, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.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.