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MARGARET THAYER PA-C
NPI 1376944249
Physician Assistant in Phoenix, AZ

Active since September 10, 2014PECOS Enrolled
3522 N 3RD AVE, PHOENIX, AZ 85013(602) 776-7676(602) 776-3002 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 29, 2024, Aug 19, 2021, Jun 29, 2017 (3 updates tracked since 2017).

About Margaret Thayer Pa-c NPPES

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

MARGARET THAYER PA-C (NPI 1376944249) is an individual physician assistant in Phoenix, Arizona, licensed in Arizona (5783) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376944249
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET THAYERCredential: PA-C
Location Address3522 N 3RD AVEPhoenix, AZ 85013-3903
Mailing Address2390 E Camelback RdPhoenix, AZ 85016-3448 · (602) 834-3913 · Fax (866) 522-8033
Phone(602) 776-7676
Fax(602) 776-3002
Sole ProprietorNo
Enumeration DateSeptember 10, 2014
Last NPPES UpdateSeptember 23, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2025
✔ NPI 1376944249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in AZ · 5783
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 5783 (AZ)
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 5783 (AZ)
3522 N 3RD AVE, Phoenix, AZ 85013
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, 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 (PECOS)

Margaret Thayer 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 85013 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 16

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

KIMBERLY LE M.D.
Family Medicine
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-7676
CIRCLE THE CITY
Clinic/Center (Federally Qualified Health Center (FQHC))
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-7676
BAILEY ALEXIS WEISS
Occupational Therapist
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-0776
MRS. JENNAL JOHNSON FNP
Nurse Practitioner
3522 N 3RD AVE
PHOENEIX, AZ 85013
Maricopa County (602) 266-8463
HEIDI HOWELL
Social Worker (Clinical)
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-7676
MRS. JUSTINE A SPERBER MSW, LCSW
Counselor (Mental Health)
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-7676
CIRCLE THE CITY
Clinic/Center (Federally Qualified Health Center (FQHC))
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 776-9000
SUSAN THERESE BARNES RN CDE
Registered Nurse
3522 N 3RD AVE
PHOENIX, AZ 85013
Maricopa County (602) 266-8463

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 Thayer's NPI number?

The NPI number for Margaret Thayer is 1376944249. It was assigned to this individual provider in the NPPES registry on September 10, 2014.

Where is Margaret Thayer located?

Margaret Thayer practices at 3522 N 3rd Ave, Phoenix, AZ 85013. The listed phone number is (602) 776-7676.

What is Margaret Thayer's specialty?

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

Is Margaret Thayer enrolled in Medicare?

Yes. Margaret Thayer is registered in the Medicare PECOS enrollment system.

What insurance does Margaret Thayer accept?

Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Margaret Thayer 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 Margaret Thayer was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.