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MR. STEVEN LLOYD MCMASTER PA-C
NPI 1396844841
Physician Assistant in Port Orchard, WA

Active since September 21, 2006PECOS Enrolled
450 S KITSAP BLVD STE 2120, PORT ORCHARD, WA 98366(360) 744-6275(360) 782-3115 Get Directions Write a Review

NPPES record last updated: March 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 17, 2025, Sep 29, 2022, Feb 25, 2022 and 1 more (4 updates tracked since 2020).

About Mr. Steven Lloyd Mcmaster Pa-c NPPES

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

MR. STEVEN LLOYD MCMASTER PA-C (NPI 1396844841) is an individual physician assistant in Port Orchard, Washington, licensed in California (18586) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396844841
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. STEVEN LLOYD MCMASTERCredential: PA-C
Location Address450 S KITSAP BLVD STE 2120Port Orchard, WA 98366-3773
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791
Phone(360) 744-6275
Fax(360) 782-3115
Sole ProprietorNo
Enumeration DateSeptember 21, 2006
Last NPPES UpdateMarch 17, 20254 updates tracked since enumeration
NPPES CertifiedMarch 17, 2025
✔ NPI 1396844841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in CA · 18586✔ Licensed in WA · PA60805208
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA18586 (CA)
450 S KITSAP BLVD STE 2120, Port Orchard, WA 98366
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Other Identifiers 1

Medicaid2094586WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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)

Mr. Steven Lloyd Mcmaster 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 98366 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.

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 Steven Mcmaster's NPI number?

The NPI number for Steven Mcmaster is 1396844841. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Where is Steven Mcmaster located?

Steven Mcmaster practices at 450 S Kitsap Blvd Ste 2120, Port Orchard, WA 98366. The listed phone number is (360) 744-6275.

What is Steven Mcmaster's specialty?

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

Is Steven Mcmaster enrolled in Medicare?

Yes. Steven Mcmaster is registered in the Medicare PECOS enrollment system.

What insurance does Steven Mcmaster accept?

Health plans from Providence Health Plan list Steven Mcmaster 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 Steven Mcmaster was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.