MARISSA KING PA-C
NPI 1174259154
Physician Assistant in Thousand Oaks, CA

Active since August 01, 2022PECOS Enrolled
3095 OLD CONEJO RD STE 200, THOUSAND OAKS, CA 91320(888) 367-1850(805) 222-0323 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 8, 2026, Aug 7, 2025, Jun 26, 2025 and 1 more (4 updates tracked since 2022).

About Marissa King Pa-c NPPES

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

MARISSA KING PA-C (NPI 1174259154) is an individual physician assistant in Thousand Oaks, California and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1174259154
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA KINGCredential: PA-C
Location Address3095 OLD CONEJO RD STE 200Thousand Oaks, CA 91320-2130
Mailing Address48291 Big Horn DrLa Quinta, CA 92253-7147 · (760) 831-5349
Fax(805) 222-0323
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 1, 2022
Last NPPES UpdateJanuary 8, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
NPI 1174259154 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.
3095 OLD CONEJO RD STE 200, Thousand Oaks, CA 91320

Other Identifiers 2

Other1174748Nccpa
Other60836CA · Physician Assistant Board- The Medical Board Of California

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marissa King Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537674437
PECOS Enrollment IDI20250710004058
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 10

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

Dermatology
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant (Medical)
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Dermatology
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320
Physician Assistant
3095 OLD CONEJO RD STE 200
THOUSAND OAKS, CA 91320

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 Marissa King's NPI number?

The NPI number for Marissa King is 1174259154. It was assigned to this individual provider in the NPPES registry on August 1, 2022.

Where is Marissa King located?

Marissa King practices at 3095 Old Conejo Rd Ste 200, Thousand Oaks, CA 91320. The listed phone number is (888) 367-1850.

What is Marissa King's specialty?

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

Is Marissa King enrolled in Medicare?

Yes. Marissa King is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marissa King was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.