WILLIAM ROBERT WALKER PA-C
NPI 1013227321
Physician Assistant in Crow Agency, MT

Active since October 20, 2010PECOS Enrolled
10110 SOUTH 7650 EAST ROAD, CROW AGENCY, MT 59022(406) 638-2626(406) 638-3572 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 22, 2017 (3 updates tracked since 2017).

About William Robert Walker Pa-c NPPES

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

WILLIAM ROBERT WALKER PA-C (NPI 1013227321) is an individual physician assistant in Crow Agency, Montana, licensed in Montana (638) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS and maintains a secondary practice location in Bar Harbor.

NPPES Registry Identity

NPI1013227321
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameWILLIAM ROBERT WALKERCredential: PA-C
Location Address10110 SOUTH 7650 EAST ROADCrow Agency, MT 59022-0009
Mailing Address10 Wayman LnBar Harbor, ME 04609-1625 · (207) 288-5081 · Fax (207) 288-8642
Fax(406) 638-3572
Sole ProprietorNo
Enumeration DateOctober 20, 2010
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1013227321 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
License Licensed in MT · 638
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 PA1676 (ME)
10110 SOUTH 7650 EAST ROAD, Crow Agency, MT 59022

Secondary Practice Location 1

Location 110 Wayman LnBar Harbor, ME 04609-1625 · Phone (207) 288-5081 ext. 1818 · Fax (207) 288-8642

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

William Robert Walker 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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
78 services74 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
15 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59022 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
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

The NPI number assigned to this healthcare provider is 1013227321, enumerated as an "individual" on October 20, 2010.

The provider is located at 10110 SOUTH 7650 EAST ROAD CROW AGENCY, MT 59022 and the phone number is (406) 638-2626.

Physician Assistant with taxonomy code 363A00000X.