David Joseph Gahtan, P.A.
Physician Assistant · Portland, OR
David Joseph Gahtan, P.A. is a physician assistant with a practice address in Portland, Oregon, and NPI 1215903059, issued on Feb 23, 2006. Check the license (Oregon PA01015, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Joseph Gahtan
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA01015 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1919 NW Lovejoy St, Portland, OR 97209
- Phone
- (509) 415-5600
- Enumerated
- Feb 23, 2006
- Record last updated
- Apr 10, 2024
- Medicaid ID
- 500603044 OR
- Medicare enrollment
- Enrolled (PECOS I20050414001364); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 1919 NW Lovejoy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamara Arthur, D.O.Occupational Medicine Physician1730205725
- Muteeb Ghaffar, M.D.Family Medicine Physician1598007049
- Jaclyn Harris, PHARMDPharmacist1497414312
- Heather Jacobs, MPA, NBC-HWCHealth & Wellness Coach1134626328
- Patrick McKinney, NPFamily Nurse Practitioner1598489767
- Nathaniel Moore, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1538529300
Verify David Joseph Gahtan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA01015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
236 Medicare Part D claims for 166 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Cefdinir23 claims
- Paxlovid21 claims
- Doxycycline Monohydrate18 claims
- Albuterol Sulfate Hfa12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Joseph Gahtan among 2,094 physician assistant records in Oregon
David Joseph Gahtan, P.A. is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2017 among the 1,552 with a school on file
- Record last updated2024 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Oregon
There are 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Portland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Pat Buckley, ND, PA-CPortland, OR 972091043229248
- Ryan Cordell, PAPortland, OR 972091104334176
- Geneva Eagon, PAPortland, OR 972091114533072
- Karyn Guido, PA-CPortland, OR 972091730466178
- Barbara Martin, PAPortland, OR 972091003864166
- Meghan MolitorPortland, OR 972091699369553
- Heather Oldham, PA-CPortland, OR 972091811380009
- Chelsi Rayford, PA-CPortland, OR 972091972019149
Common questions
What is David Joseph Gahtan, P.A.'s NPI number?
David Joseph Gahtan, P.A.'s National Provider Identifier (NPI) is 1215903059, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Joseph Gahtan, P.A. located?
The NPPES record lists a practice address at 1919 NW Lovejoy St, Portland, OR, 97209. Phone: (509) 415-5600. Providers update this record themselves, so call before visiting.
How can I verify David Joseph Gahtan, P.A.'s license?
NPPES lists Oregon license number PA01015, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does David Joseph Gahtan, P.A. prescribe under Medicare Part D?
In 2024, David Joseph Gahtan, P.A. had 236 Medicare Part D claims for 166 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is David Joseph Gahtan, P.A.'s MIPS final score?
The 2023 MIPS final score is 86 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.