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ANNA WEISENBURGER MELLEM PA-C
NPI 1649139866
Physician Assistant in Arlington, WA

Active since January 22, 2026PECOS Enrolled
326 S STILLAGUAMISH AVE, ARLINGTON, WA 98223(425) 789-3789 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 29, 2026, Jan 22, 2026 (2 updates tracked since 2026).

About Anna Weisenburger Mellem Pa-c NPPES

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

ANNA WEISENBURGER MELLEM PA-C (NPI 1649139866) is an individual physician assistant in Arlington, Washington, licensed in Washington (PA.PA.70090853) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649139866
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameANNA WEISENBURGER MELLEMCredential: PA-C
Location Address326 S STILLAGUAMISH AVEArlington, WA 98223-1652
Mailing Address326 S Stillaguamish AveArlington, WA 98223-1652 · (425) 789-3789
Phone(425) 789-3789
Sole ProprietorYes
Enumeration DateJanuary 22, 2026
Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1649139866 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 WA · PA.PA.70090853
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.
326 S STILLAGUAMISH AVE, Arlington, WA 98223
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anna Weisenburger Mellem 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 98223 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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 19

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

NEIL ROBERT POSTIER
Nurse Practitioner
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 572-5400
TIFFANIE P.O. KIMURA RDH
Dental Hygienist
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 572-5430
ANNA SWANSON THOMAS NP
Nurse Practitioner
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 572-5400
HENG-YU JONATHAN CHI LMHC
Counselor (Mental Health)
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 572-5400
BRITTANY NAVIN
Nurse Practitioner
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (425) 789-3789
MS. CRYSTAL ROSE VO D.D.S.
Dentist
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 630-1172
AARON DOUGLAS BRINKLOW DO
Student in an Organized Health Care Education/Training Program
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 572-5400
AMBERLY RAE HALBERT PA-C
Physician Assistant (Medical)
326 S STILLAGUAMISH AVE
ARLINGTON, WA 98223
Snohomish County (360) 571-5400

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 Anna Mellem's NPI number?

The NPI number for Anna Mellem is 1649139866. It was assigned to this individual provider in the NPPES registry on January 22, 2026.

Where is Anna Mellem located?

Anna Mellem practices at 326 S Stillaguamish Ave, Arlington, WA 98223. The listed phone number is (425) 789-3789.

What is Anna Mellem's specialty?

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

Is Anna Mellem enrolled in Medicare?

Yes. Anna Mellem is registered in the Medicare PECOS enrollment system.

What insurance does Anna Mellem accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Anna Mellem 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 Anna Mellem was last updated on July 29, 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.