ALYSSA MCNAMARA PA
NPI 1790511160
Physician Assistant in Thousand Oaks, CA

Active since September 11, 2024PECOS EnrolledAccepts Medicare Assignment
227 W JANSS RD STE 340, THOUSAND OAKS, CA 91360(805) 852-9100(805) 852-9101 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 5, 2025, Sep 11, 2024 (2 updates tracked since 2024).

About Alyssa Mcnamara Pa NPPES

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

ALYSSA MCNAMARA PA (NPI 1790511160) is an individual physician assistant in Thousand Oaks, California, licensed in California (PA67421) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1790511160
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSA MCNAMARACredential: PA
Location Address227 W JANSS RD STE 340Thousand Oaks, CA 91360-1879
Mailing AddressPo Box 743111Atlanta, GA 30374-3111
Fax(805) 852-9101
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateSeptember 11, 2024
Last NPPES UpdateFebruary 24, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2026
NPI 1790511160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · PA67421
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.
227 W JANSS RD STE 340, Thousand Oaks, CA 91360

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

Alyssa Mcnamara Pa 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 ID7618499179
PECOS Enrollment IDI20250313003786, I20260225001401
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 91360 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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 9

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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Internal Medicine (Interventional Cardiology)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Thoracic Surgery (Cardiothoracic Vascular Surgery)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Internal Medicine (Cardiovascular Disease)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Thoracic Surgery (Cardiothoracic Vascular Surgery)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Thoracic Surgery (Cardiothoracic Vascular Surgery)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Internal Medicine (Clinical Cardiac Electrophysiology)
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360
Physician Assistant
227 W JANSS RD STE 340
THOUSAND OAKS, CA 91360

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 Alyssa Mcnamara's NPI number?

The NPI number for Alyssa Mcnamara is 1790511160. It was assigned to this individual provider in the NPPES registry on September 11, 2024.

Where is Alyssa Mcnamara located?

Alyssa Mcnamara practices at 227 W Janss Rd Ste 340, Thousand Oaks, CA 91360. The listed phone number is (805) 852-9100.

What is Alyssa Mcnamara's specialty?

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

Is Alyssa Mcnamara enrolled in Medicare?

Yes. Alyssa Mcnamara 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 Alyssa Mcnamara accept?

Health plans from Oscar Health Plan, Inc. and UnitedHealthcare list Alyssa Mcnamara 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 Alyssa Mcnamara was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.