MARISSA EILEEN WYAN PA-C
NPI 1528988714
Physician Assistant in Merced, CA

Q: What is Marissa Wyan's NPI number?

The NPI number for Marissa Wyan is 1528988714. It was assigned to this individual provider in the NPPES registry on July 17, 2026.

Q: What is Marissa Wyan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marissa Wyan was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 17, 2026PECOS Enrolled

847 W CHILDS AVE, MERCED, CA 95341(209) 722-4842 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Marissa Eileen Wyan Pa-c NPPES

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

MARISSA EILEEN WYAN PA-C (NPI 1528988714) is an individual physician assistant in Merced, California, licensed in California (68761) and active in the NPI registry since July 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528988714

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMARISSA EILEEN WYANCredential: PA-C

Location Address847 W CHILDS AVEMerced, CA 95341-6862

Mailing Address847 W Childs AveMerced, CA 95341-6862

Phone(209) 722-4842

Sole ProprietorNo

Enumeration DateJuly 17, 2026

NPPES CertifiedJuly 17, 2026

✔ NPI 1528988714 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 CA · 68761

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.

847 W CHILDS AVE, Merced, CA 95341

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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 (PECOS)

Marissa Eileen Wyan Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 95341 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

CESAR GARCIA LCSW

Social Worker (Clinical)