MS. JENNIFER ELAINE DESBY PA-C
NPI 1740392026
Physician Assistant in Santa Ana, CA

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
999 N TUSTIN AVE STE 216, SANTA ANA, CA 92705(714) 545-5550(714) 571-0005 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ms. Jennifer Elaine Desby Pa-c NPPES

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

MS. JENNIFER ELAINE DESBY PA-C (NPI 1740392026) is an individual physician assistant in Santa Ana, California, licensed in California (PA17383) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Costa Mesa, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1740392026
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. JENNIFER ELAINE DESBYCredential: PA-C
Location Address999 N TUSTIN AVE STE 216Santa Ana, CA 92705-6506
Mailing Address19782 Macarthur Blvd Ste 300Irvine, CA 92612-2417 · (714) 545-5550 · Fax (949) 991-2040
Fax(714) 571-0005
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateAugust 31, 2006
Last NPPES UpdateJanuary 23, 2026
NPPES CertifiedJanuary 23, 2026
NPI 1740392026 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 · PA17383
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.
999 N TUSTIN AVE STE 216, Santa Ana, CA 92705

Secondary Practice Location 1

Location 13151 Airway Ave Ste G1Costa Mesa, CA 92626-4624 · Phone (714) 545-5550 · Fax (714) 708-2588

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

Ms. Jennifer Elaine Desby Pa-c 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 ID4385620509
PECOS Enrollment IDI20081118000405
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 13

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

Physician Assistant
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Physician Assistant
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Clinical Nurse Specialist (Psychiatric/Mental Health)
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Pharmacy (Community/Retail Pharmacy)
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Physician Assistant
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Physician Assistant (Medical)
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Physician Assistant
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705
Nurse Practitioner (Psychiatric/Mental Health)
999 N TUSTIN AVE STE 216
SANTA ANA, CA 92705

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 Jennifer Desby's NPI number?

The NPI number for Jennifer Desby is 1740392026. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Jennifer Desby located?

Jennifer Desby practices at 999 N Tustin Ave Ste 216, Santa Ana, CA 92705. The listed phone number is (714) 545-5550.

What is Jennifer Desby's specialty?

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

Is Jennifer Desby enrolled in Medicare?

Yes. Jennifer Desby 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 Jennifer Desby was last updated on January 23, 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.