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MARISSA STONE
NPI 1427870971
Physician Assistant in Los Angeles, CA

Active since October 28, 2024PECOS EnrolledAccepts Medicare Assignment
8436 W 3RD ST STE 800, LOS ANGELES, CA 90048(310) 423-9780(323) 433-7016 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marissa Stone NPPES

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

MARISSA STONE (NPI 1427870971) is an individual physician assistant in Los Angeles, California, licensed in California (PA66300) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1427870971
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARISSA STONE
Location Address8436 W 3RD ST STE 800Los Angeles, CA 90048-4100
Mailing Address8436 W 3rd St Ste 800Los Angeles, CA 90048-4100 · (310) 746-5918 · Fax (323) 433-7016
Phone(310) 423-9780
Fax(323) 433-7016
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 28, 2024
Last NPPES UpdateDecember 8, 2025
NPPES CertifiedDecember 8, 2025
✔ NPI 1427870971 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 · PA66300
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.
8436 W 3RD ST STE 800, Los Angeles, CA 90048
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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 and accepts Medicare assignment

Marissa Stone 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 ID9436652237
PECOS Enrollment IDI20250909003500
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 90048 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 20

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

OCEANUS MEDICAL GROUP INC A PROFESSIONAL CORPORATION
Anesthesiology (Pain Medicine)
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 448-3459
DANIEL PHILIP LODER MD INC
Pain Medicine (Pain Medicine)
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 448-3459
JASON SNIBBE MD PROFESSIONAL MEDICAL CORPORATION
Orthopaedic Surgery
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 860-3048
WESLEY A KING MD A PROFESSIONAL MEDICAL CORPORATION
Neurological Surgery
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 385-1918
NICHOLAS VINCENT PETITO PA-C
Physician Assistant
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 860-3048
KRISTEN PERRI PA-C
Physician Assistant (Surgical)
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (412) 916-3111
DR. SARA M GUERRA MD, FRCSC
Plastic Surgery (Surgery of the Hand)
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (310) 860-3048
KALLIE STAHLHUTH
Physician Assistant (Medical)
8436 W 3RD ST STE 800
LOS ANGELES, CA 90048
Los Angeles County (207) 449-0940

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 Stone's NPI number?

The NPI number for Marissa Stone is 1427870971. It was assigned to this individual provider in the NPPES registry on October 28, 2024.

Where is Marissa Stone located?

Marissa Stone practices at 8436 W 3rd St Ste 800, Los Angeles, CA 90048. The listed phone number is (310) 423-9780.

What is Marissa Stone's specialty?

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

Is Marissa Stone enrolled in Medicare?

Yes. Marissa Stone 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.

When was this NPI record last updated?

The NPPES record for Marissa Stone was last updated on December 8, 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.