MARGARET ANN WALKER PA-C
NPI 1063765741
Physician Assistant in Seattle, WA

Active since October 18, 2012PECOS EnrolledAccepts Medicare Assignment
1550 N 115TH ST, SEATTLE, WA 98133(206) 520-5000 Get Directions Write a Review

NPPES record last updated: August 2, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Margaret Ann Walker Pa-c NPPES

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

MARGARET ANN WALKER PA-C (NPI 1063765741) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60267720) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1063765741
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET ANN WALKERCredential: PA-C
Location Address1550 N 115TH STSeattle, WA 98133-8401
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateOctober 18, 2012
Last NPPES UpdateAugust 2, 2021
NPPES CertifiedAugust 2, 2021
NPI 1063765741 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 WA · PA60267720
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 PA60267720 (WA)
1550 N 115TH ST, Seattle, WA 98133

Other Identifiers 1

Medicaid1063765741WA

Accepted 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

Margaret Ann Walker Pa-c 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 ID9335394360
PECOS Enrollment IDI20130225000097
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
185 services103 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
61 services59 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
51 services44 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
22 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98133 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.

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.

Internal Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Registered Nurse
1550 N 115TH ST
SEATTLE, WA 98133
Internal Medicine (Interventional Cardiology)
1550 N 115TH ST
SEATTLE, WA 98133
Anesthesiology
1550 N 115TH ST
SEATTLE, WA 98133
Emergency Medicine
1550 N 115TH ST
SEATTLE, WA 98133
Dietitian, Registered
1550 N 115TH ST
SEATTLE, WA 98133

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 Margaret Walker's NPI number?

The NPI number for Margaret Walker is 1063765741. It was assigned to this individual provider in the NPPES registry on October 18, 2012.

Where is Margaret Walker located?

Margaret Walker practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 520-5000.

What is Margaret Walker's specialty?

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

Is Margaret Walker enrolled in Medicare?

Yes. Margaret Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margaret Walker accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Margaret Walker 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.

Is Margaret Walker affiliated with any hospitals?

According to CMS data, Margaret Walker is affiliated with University Of Washington Medical Ctr.

When was this NPI record last updated?

The NPPES record for Margaret Walker was last updated on August 2, 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.