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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LARISSA LEE HALSELL
NPI 1508792409
Physician Assistant in Santa Maria, CA

Active since June 19, 2026PECOS Enrolled
4522 EDENBURY DR, SANTA MARIA, CA 93455(805) 266-0074 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Larissa Lee Halsell NPPES

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

LARISSA LEE HALSELL (NPI 1508792409) is an individual physician assistant in Santa Maria, California, licensed in California (PA68991) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS and maintains a secondary practice location in Arroyo Grande.

NPPES Registry Identity

NPI1508792409
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLARISSA LEE HALSELL
Location Address4522 EDENBURY DRSanta Maria, CA 93455-4125
Mailing Address4522 Edenbury DrSanta Maria, CA 93455-4125
Phone(805) 266-0074
Sole ProprietorNo
Enumeration DateJune 19, 2026
Last NPPES UpdateSeptember 28, 2026
NPPES CertifiedSeptember 28, 2026
✔ NPI 1508792409 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 · PA68991
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.
4522 EDENBURY DR, Santa Maria, CA 93455
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Secondary Practice Location 1

Location 1310 S Halcyon RdArroyo Grande, CA 93420-3872 · Phone (805) 568-7800

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Larissa Lee Halsell 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 93455 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
$94.71 typical visit price
range $62.01 – $184.40
Typical copayment $23.67 (range $15.50 – $46.10)
Most-billed visit code 99203
Established Patient
$76.76 typical visit price
range $20.60 – $151.20
Typical copayment $19.19 (range $5.15 – $37.80)
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 Larissa Halsell's NPI number?

The NPI number for Larissa Halsell is 1508792409. It was assigned to this individual provider in the NPPES registry on June 19, 2026.

Where is Larissa Halsell located?

Larissa Halsell practices at 4522 Edenbury Dr, Santa Maria, CA 93455. The listed phone number is (805) 266-0074.

What is Larissa Halsell's specialty?

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

Is Larissa Halsell enrolled in Medicare?

Yes. Larissa Halsell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Larissa Halsell was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.