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CARMEN COTSIS PA-C
NPI 1801456785
Physician Assistant in Los Alamos, CA

Active since June 13, 2019PECOS Enrolled
490 BELL ST UNIT 103, LOS ALAMOS, CA 93440(805) 344-4994(805) 344-4996 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 17, 2025, Jul 9, 2019, Jun 13, 2019 (3 updates tracked since 2019).

About Carmen Cotsis Pa-c NPPES

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

CARMEN COTSIS PA-C (NPI 1801456785) is an individual physician assistant in Los Alamos, California, licensed in California (57001) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Ventura.

NPPES Registry Identity

NPI1801456785
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCARMEN COTSISCredential: PA-C
Location Address490 BELL ST UNIT 103Los Alamos, CA 93440-5002
Mailing Address2050 S Blosser RdSanta Maria, CA 93458-7310 · (805) 361-8030 · Fax (805) 361-8097
Phone(805) 344-4994
Fax(805) 344-4996
Sole ProprietorNo
Enumeration DateJune 13, 2019
Last NPPES UpdateNovember 17, 20253 updates tracked since enumeration
NPPES CertifiedNovember 17, 2025
✔ NPI 1801456785 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 · 57001
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.
490 BELL ST UNIT 103, Los Alamos, CA 93440
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Secondary Practice Location 1

Location 1133 W Santa Clara StVentura, CA 93001-2543 · Phone (805) 641-5600

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carmen Cotsis 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 93440 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.

Other Providers at the Same Location NPPES

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

LIZBETH MARTINEZ NP
Nurse Practitioner (Family)
490 BELL ST UNIT 103
LOS ALAMOS, CA 93440
Santa Barbara County (805) 344-4994

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 Carmen Cotsis's NPI number?

The NPI number for Carmen Cotsis is 1801456785. It was assigned to this individual provider in the NPPES registry on June 13, 2019.

Where is Carmen Cotsis located?

Carmen Cotsis practices at 490 Bell St Unit 103, Los Alamos, CA 93440. The listed phone number is (805) 344-4994.

What is Carmen Cotsis's specialty?

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

Is Carmen Cotsis enrolled in Medicare?

Yes. Carmen Cotsis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carmen Cotsis was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.