MAILYN FAYE WILLIAMS PA-C, RDMS, RVT
NPI 1457925042
Physician Assistant in Seattle, WA

Q: What is Mailyn Williams's NPI number?

The NPI number for Mailyn Williams is 1457925042. It was assigned to this individual provider in the NPPES registry on May 18, 2021.

Q: What is Mailyn Williams'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 Mailyn Williams was last updated on September 9, 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.

Active since May 18, 2021PECOS EnrolledAccepts Medicare Assignment

90.12/100

CMS Quality Rating

4311 11TH AVE NE STE 200, SEATTLE, WA 98105(206) 616-4001 Get Directions Write a Review

NPPES record last updated: September 9, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2021, May 18, 2021 (2 updates tracked since 2021).

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About Mailyn Faye Williams Pa-c, Rdms, Rvt NPPES

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

MAILYN FAYE WILLIAMS PA-C, RDMS, RVT (NPI 1457925042) is an individual physician assistant in Seattle, Washington and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1457925042

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMAILYN FAYE WILLIAMSCredential: PA-C, RDMS, RVT

Location Address4311 11TH AVE NE STE 200Seattle, WA 98105-6367

Mailing Address17425 Bettijean StAnchorage, AK 99516-5612 · (612) 250-9741

Phone(206) 616-4001

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMay 18, 2021

Last NPPES UpdateSeptember 9, 20212 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2021

✔ NPI 1457925042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

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.

4311 11TH AVE NE STE 200, Seattle, WA 98105

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..Insurance ›

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

Mailyn Faye Williams Pa-c, Rdms, Rvt 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 ID6204225840

PECOS Enrollment IDI20211119001186

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

51 services34 patients

Drainage of fluid from abdominal cavity using imaging guidance 49083

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

35 services22 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98105 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.62

Improvement Activities

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.

ROGER SHERMAN PA-C

Physician Assistant (Medical)