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ISABEL YELSA PA-C
NPI 1285435677
Physician Assistant in Philomath, OR

Active since March 21, 2025PECOS EnrolledAccepts Medicare Assignment
500 MAIN ST, PHILOMATH, OR 97370(541) 754-1272 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Isabel Yelsa Pa-c NPPES

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

ISABEL YELSA PA-C (NPI 1285435677) is an individual physician assistant in Philomath, Oregon, licensed in Oregon (PA226962) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1285435677
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameISABEL YELSACredential: PA-C
Location Address500 MAIN STPhilomath, OR 97370-9707
Mailing Address444 Nw Elks DrCorvallis, OR 97330-3758 · (541) 754-1150
Phone(541) 754-1272
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 21, 2025
Last NPPES UpdateOctober 29, 2025
NPPES CertifiedOctober 29, 2025
✔ NPI 1285435677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in OR · PA226962
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
500 MAIN ST, Philomath, OR 97370
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isabel Yelsa Pa-c 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 ID3678063179
PECOS Enrollment IDI20251104001392
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97370 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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 3

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

LABORATORY CORPORATION OF AMERICA
Clinical Medical Laboratory
500 MAIN ST
PHILOMATH, OR 97370
Benton County (541) 609-4071
MS. JACQUELINE RAE DILLON RN
Registered Nurse (Case Management)
500 MAIN ST
PHILOMATH, OR 97370
Benton County (541) 754-1272
THE CORVALLIS CLINIC P C
Durable Medical Equipment & Medical Supplies
500 MAIN ST
PHILOMATH, OR 97370
Benton County (541) 754-1272

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 Isabel Yelsa's NPI number?

The NPI number for Isabel Yelsa is 1285435677. It was assigned to this individual provider in the NPPES registry on March 21, 2025.

Where is Isabel Yelsa located?

Isabel Yelsa practices at 500 Main St, Philomath, OR 97370. The listed phone number is (541) 754-1272.

What is Isabel Yelsa's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Isabel Yelsa enrolled in Medicare?

Yes. Isabel Yelsa 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.

When was this NPI record last updated?

The NPPES record for Isabel Yelsa was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.