Ian Michael Horner, D.O.
Family Medicine Physician · Tigard, OR
Ian Michael Horner, D.O. is a family medicine physician with a practice address in Tigard, Oregon, and NPI 1902245756, issued on Jun 14, 2013. Check the license (Oregon DO173201, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ian Michael Horner
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO173201 OR
Self-reported in NPPES; status is on the state search - Practice location
- 12442 SW Scholls Ferry RD Ste 206, Tigard, OR 97223
- Phone
- (503) 216-9200
- Enumerated
- Jun 14, 2013
- Record last updated
- Feb 24, 2025
- Medicaid ID
- 500691200 OR
- Medicare enrollment
- Enrolled (PECOS I20151021003179); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 12442 SW Scholls Ferry RD Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliana Ionescu, FNPFamily Nurse Practitioner1306551361
- Sasha Preston, FNP-CFamily Nurse Practitioner1760849780
- Marina Wagner, DOFamily Medicine Physician1073190773
Verify Ian Michael Horner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO173201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average family medicine physician in 2024
4,717 Medicare Part D claims for 543 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium322 claims
- Lisinopril211 claims
- Levothyroxine Sodium168 claims
- Tamsulosin Hcl159 claims
- Rosuvastatin Calcium145 claims
- Amlodipine Besylate137 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Providence Health And Services OregonTigard, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Michael Horner among 2,847 family medicine physician records in Oregon
Ian Michael Horner, D.O. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 family medicine physician records list a practice address in Tigard
They are 53 of the 3,081 NPPES records with a practice address in Tigard, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Tigard → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joyce Berney, MDTigard, OR 972231811948110
- Tanya Carter, D.O.Tigard, OR 972231528031630
- Michael Chen, M.D.Tigard, OR 972231023005410
- Susan Clack, MDTigard, OR 972231669424917
- Amanda Gay, M.D.Portland, OR 972231912937723
- Daniel Graham, MDTigard, OR 972231043261308
- Michael Hortsch, MDTigard, OR 972231326090291
- Benjamin Ip, MDPortland, OR 972231053382614
Common questions
What is Ian Michael Horner, D.O.'s NPI number?
Ian Michael Horner, D.O.'s National Provider Identifier (NPI) is 1902245756, issued on Jun 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ian Michael Horner, D.O. located?
The NPPES record lists a practice address at 12442 SW Scholls Ferry RD Ste 206, Tigard, OR, 97223. Phone: (503) 216-9200. Providers update this record themselves, so call before visiting.
How can I verify Ian Michael Horner, D.O.'s license?
NPPES lists Oregon license number DO173201, 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.
How much does Ian Michael Horner, D.O. prescribe under Medicare Part D?
In 2024, Ian Michael Horner, D.O. had 4,717 Medicare Part D claims for 543 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.