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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.

ELAINE PETERSON PA
NPI 1992572515
Physician Assistant in Santa Ana, CA

Active since December 04, 2023PECOS Enrolled
700 N TUSTIN AVE, SANTA ANA, CA 92705(714) 245-1444(714) 953-6604 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 16, 2026, Oct 10, 2024, Sep 19, 2024 and 2 more (5 updates tracked since 2023).

About Elaine Peterson Pa NPPES

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

ELAINE PETERSON PA (NPI 1992572515) is an individual physician assistant in Santa Ana, California, licensed in California (64017) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992572515
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameELAINE PETERSONCredential: PA
Location Address700 N TUSTIN AVESanta Ana, CA 92705-3602
Mailing Address700 N Tustin AveSanta Ana, CA 92705-3602 · (714) 245-1444 · Fax (714) 953-6604
Phone(714) 245-1444
Fax(714) 953-6604
Sole ProprietorYes
Enumeration DateDecember 4, 2023
Last NPPES UpdateOctober 16, 20265 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1992572515 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 · 64017
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.
700 N TUSTIN AVE, Santa Ana, CA 92705
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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)

Elaine Peterson Pa 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 92705 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 11

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

DR. BAHRAM ESLAMI M.D.
Specialist
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
ORANGE COUNTY CARDIOLOGY
Specialist
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
RAVI MASSON MD
Internal Medicine (Interventional Cardiology)
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
DR. STEPHEN COHEN M.D.
Specialist
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
ALI K ASHTIANI M.D.
Internal Medicine (Cardiovascular Disease)
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
DR. AVINASH VARADARAJ SHARMA MD
Internal Medicine (Interventional Cardiology)
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
DR. MAHMOUD ESLAMI FARSANI MD
Specialist
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444
DENNIS GREWAL DO
Internal Medicine (Cardiovascular Disease)
700 N TUSTIN AVE
SANTA ANA, CA 92705
Orange County (714) 245-1444

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 Elaine Peterson's NPI number?

The NPI number for Elaine Peterson is 1992572515. It was assigned to this individual provider in the NPPES registry on December 4, 2023.

Where is Elaine Peterson located?

Elaine Peterson practices at 700 N Tustin Ave, Santa Ana, CA 92705. The listed phone number is (714) 245-1444.

What is Elaine Peterson's specialty?

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

Is Elaine Peterson enrolled in Medicare?

Yes. Elaine Peterson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Elaine Peterson was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.