Mariana Diaz, PA-C
Physician Assistant · Portland, OR
Mariana Diaz, PA-C is a physician assistant with a practice address in Portland, Oregon, and NPI 1558103911, issued on Jun 7, 2024. Check the license (Oregon PA227610, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariana Diaz
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA227610 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2730 S Moody Ave, Portland, OR 97201
- Phone
- (503) 494-3633
- Enumerated
- Jun 7, 2024
- Record last updated
- Feb 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20260220000885); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 2730 S Moody Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Faiza AbdiStudent in an Organized Health Care Education/Training Program1588559017
- Salma AbdilahiStudent in an Organized Health Care Education/Training Program1306773643
- Ann AmonooStudent in an Organized Health Care Education/Training Program1467399022
- Alicia Applin, D.D.S.Dentist1144663766
- Derrick Armstrong, PA STUDENTStudent in an Organized Health Care Education/Training Program1275470940
- Michael Badaoui, DMDDentist1720845415
Verify Mariana Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA227610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Express Care OR PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariana Diaz among 2,094 physician assistant records in Oregon
Mariana Diaz, PA-C 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 2024, is newer than 89% of them.
- NPI issued2024 · 89% of these records are older, 4% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2025 · median 2017 among the 1,552 with a school on file
- Record last updated2026 · 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
- Erika Acuna, PA-CPortland, OR 972011881072775
- Zane Carey, PA-CPortland, OR 972011669066635
- Claudemir Da Silva Lima, PA-CPortland, OR 972011427670660
- William Edgell, PA-CPortland, OR 972011356019319
- Emily HowlettPortland, OR 972011225706088
- Irum JaffriPortland, OR 972011801480868
- Katherine Kinser, PA-CPortland, OR 972011326586926
- Kimberly KittellPortland, OR 972011710479787
Common questions
What is Mariana Diaz, PA-C's NPI number?
Mariana Diaz, PA-C's National Provider Identifier (NPI) is 1558103911, issued on Jun 7, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Diaz, PA-C located?
The NPPES record lists a practice address at 2730 S Moody Ave, Portland, OR, 97201. Phone: (503) 494-3633. Providers update this record themselves, so call before visiting.
How can I verify Mariana Diaz, PA-C's license?
NPPES lists Oregon license number PA227610, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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.