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ANTONIO E FRIAS MD
NPI 1033130299
Obstetrics & Gynecology - Maternal & Fetal Medicine in Portland, OR

Active since July 22, 2006PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 418-4200(503) 494-4473 Get Directions Write a Review

NPPES record last updated: September 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2021, Nov 16, 2017 (2 updates tracked since 2017).

About Antonio E Frias Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANTONIO E FRIAS MD (NPI 1033130299) is an individual maternal & fetal medicine provider in Portland, Oregon, licensed in Oregon (MD27349) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Mayo Medical School (1998).

NPPES Registry Identity

NPI1033130299
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameANTONIO E FRIASCredential: MD
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3011
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (503) 418-4200 · Fax (503) 494-4473
Phone(503) 418-4200
Fax(503) 494-4473
Sole ProprietorNo
Medical School CMSMayo Medical SchoolGraduated 1998
Enumeration DateJuly 22, 2006
Last NPPES UpdateSeptember 11, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2021
✔ NPI 1033130299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
Licenses✔ Licensed in OR · MD27349✔ Licensed in UT · 3766401205✔ Licensed in WA · MD00048188
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License MD00048188 (WA), MD27349 (OR)
3181 SW SAM JACKSON PARK RD, Portland, OR 97239
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13400 Main StVancouver, WA 98663-2223 · Phone (360) 696-5232 · Fax (360) 696-5228
Location 2505 NE 87th Ave Ste 160Vancouver, WA 98664-1965 · Phone (360) 514-1060 · Fax (360) 514-1065

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Antonio E Frias Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638074156
PECOS Enrollment IDI20070717000108
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Antonio Frias reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Professional Services
Same address
Multi-Specialty
707 SW GAINES ST
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
NPI 1073767588 (503) 494-9000
Portland Adventist Medical Center
6.2 mi
Anesthesiology
10123 SE MARKET ST
Portland, OR 97216
  • Reassigned Medicare billing, Oregon enrollment
  • 331 clinicians in this Medicare group
NPI 1437925310 (503) 251-6136
Tuality Medical Group LLC
14 mi
Neurology
364 SE 8TH AVE STE 101
Hillsboro, OR 97123
  • Reassigned Medicare billing, Oregon enrollment
  • 691 clinicians in this Medicare group
NPI 1639690704 (503) 681-1000
Salem Health
26 mi
Family Medicine
105 ARNEY RD STE 120
Woodburn, OR 97071
  • Reassigned Medicare billing, Oregon enrollment
  • 625 clinicians in this Medicare group
NPI 1578112066 (503) 184-4400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DONALD RICHARD SULLIVAN MD
Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Multnomah County (503) 494-6949
MRS. ANJALEE NIX ROWE NP
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-3988
REEM HASAN MD
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Multnomah County (503) 494-8562
DR. AMANDA D BALL PSY.D
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
SUNSHINE WELSCH LMT
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Multnomah County (503) 494-8349
DR. ROBERT GENE MEALER M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
GREGORY HALL MD
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 418-0990
DR. BURHAN AHMED MIAN MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-8311

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Antonio Frias's NPI number?

The NPI number for Antonio Frias is 1033130299. It was assigned to this individual provider in the NPPES registry on July 22, 2006.

Where is Antonio Frias located?

Antonio Frias practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 418-4200.

What is Antonio Frias's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Antonio Frias enrolled in Medicare?

Yes. Antonio Frias is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Antonio Frias's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antonio Frias reassigns Medicare benefits to 4 organizations: University Professional Services (Portland, OR), Portland Adventist Medical Center (Portland, OR), Tuality Medical Group LLC (Hillsboro, OR) and Salem Health (Woodburn, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Antonio Frias's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Antonio Frias accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Antonio Frias as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Antonio Frias was last updated on September 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.