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DORATHY TWITCHELL PA-C
NPI 1417806514
Physician Assistant in Thousand Oaks, CA

Active since January 23, 2026PECOS Enrolled
1001 NEWBURY RD, THOUSAND OAKS, CA 91320(805) 379-2322 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dorathy Twitchell Pa-c NPPES

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

DORATHY TWITCHELL PA-C (NPI 1417806514) is an individual physician assistant in Thousand Oaks, California and active in the NPI registry since January 2026. The provider is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417806514
Entity TypeIndividual
Primary Taxonomy363A00000X
Provider Legal NameDORATHY TWITCHELLCredential: PA-C
Location Address1001 NEWBURY RDThousand Oaks, CA 91320-6434
Mailing Address1001 Newbury RdThousand Oaks, CA 91320-6434 · (805) 379-2322
Phone(805) 379-2322
Sole ProprietorNo
Enumeration DateJanuary 23, 2026
Last NPPES UpdateJune 8, 2026
NPPES CertifiedJune 8, 2026
✔ NPI 1417806514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
1001 NEWBURY RD, Thousand Oaks, CA 91320
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dorathy Twitchell 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 91320 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 17

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

CONEJO NEUROLOGICAL MEDICAL GROUP, INC.
Neurological Surgery
1001 NEWBURY RD, #100
THOUSAND OAKS, CA 91320
Ventura County (805) 375-7900
MR. BRIAN CARSON M.P.T., C.S.C.S.
Physical Therapist
1001 NEWBURY RD
THOUSAND OAKS, CA 91320
Ventura County (805) 379-2322
ERIK C. SPAYDE, M.D., INC.
Durable Medical Equipment & Medical Supplies
1001 NEWBURY RD
THOUSAND OAKS, CA 91320
Ventura County (805) 379-2322
DR. JOHN CHIH CHIU SR. M.D.
Neurological Surgery
1001 NEWBURY RD
NEWBURY PARK, CA 91320
Ventura County (805) 375-7900
ST CHARLES SPINE INSTITUTE
Orthopaedic Surgery
1001 NEWBURY RD
THOUSAND OAKS, CA 91320
Ventura County (805) 379-2322
TRACY ANN CHEEVERS
Physical Medicine & Rehabilitation
1001 NEWBURY RD
NEWBURY PARK, CA 91320
Ventura County (805) 375-7900
GABRIELLA JOY SCHULTZ PA-C
Physician Assistant
1001 NEWBURY RD
THOUSAND OAKS, CA 91320
Ventura County (805) 379-2322
PACIFIC SURGICAL SUITE, LLC
Clinic/Center (Ambulatory Surgical)
1001 NEWBURY RD
THOUSAND OAKS, CA 91320
Ventura County (805) 379-2322

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 Dorathy Twitchell's NPI number?

The NPI number for Dorathy Twitchell is 1417806514. It was assigned to this individual provider in the NPPES registry on January 23, 2026.

Where is Dorathy Twitchell located?

Dorathy Twitchell practices at 1001 Newbury Rd, Thousand Oaks, CA 91320. The listed phone number is (805) 379-2322.

What is Dorathy Twitchell's specialty?

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

Is Dorathy Twitchell enrolled in Medicare?

Yes. Dorathy Twitchell is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dorathy Twitchell was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.