Antonio E. Frias, MD
Maternal & Fetal Medicine Physician · Portland, OR
Antonio E. Frias, MD is a maternal & fetal medicine physician with a practice address in Portland, Oregon, and NPI 1033130299, issued on Jul 22, 2006. Check the license (Oregon MD27349, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Antonio E. Frias
- Credential
- MD
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License numbers
- MD27349 OR
3766401205 UT
MD00048188 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 418-4200
- Enumerated
- Jul 22, 2006
- Record last updated
- Sep 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 494-4473
- Medicare enrollment
- Enrolled (PECOS I20070717000108); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 1998
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 57 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Antonio E. Frias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD27349Check 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 2 group practices
- Portland Adventist Medical CenterPortland, OR
- University Professional ServicesBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonio E. Frias among 57 maternal & fetal medicine physician records in Oregon
Antonio E. Frias, MD is one of 57 maternal & fetal medicine physician records with a practice address in Oregon. 72% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 56% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1998 · median 2006 among the 40 with a school on file
- Record last updated2021 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Oregon
There are 57 maternal & fetal medicine physician records in Oregon.
All 57 in Oregon → Every provider in Portland → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- David Abel, MDPortland, OR 972391609858224
- Kathleen Brookfield, M.D., PH.D.Portland, OR 972391770756561
- Aaron Caughey, M.D.Portland, OR 972391457398430
- Lowell Davis, MDPortland, OR 972391720095649
- Richard Lowensohn, MDPortland, OR 972391851309306
- Nicole Marshall, M.D.Portland, OR 972391609062728
- Emmanuelle Pare, MDPortland, OR 972391528099579
- Leonardo Pereira, MDPortland, OR 972391427063932
Common questions
What is Antonio E. Frias, MD's NPI number?
Antonio E. Frias, MD's National Provider Identifier (NPI) is 1033130299, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Antonio E. Frias, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 418-4200. Providers update this record themselves, so call before visiting.
How can I verify Antonio E. Frias, MD's license?
NPPES lists Oregon license number MD27349, 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. 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.