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JONATHAN MAYNARD M.D.
NPI 1255765020
Pediatrics in Irvine, CA

Active since August 28, 2013PECOS Enrolled
18102 CULVER DR, IRVINE, CA 92612(657) 241-8220 Get Directions Write a Review

NPPES record last updated: August 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 8, 2024, Dec 3, 2021, Oct 12, 2021 and 1 more (4 updates tracked since 2017).

About Jonathan Maynard M.d. NPPES

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

JONATHAN MAYNARD M.D. (NPI 1255765020) is an individual pediatrics provider in Irvine, California, licensed in California (A136798) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255765020
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameJONATHAN MAYNARDCredential: M.D.
Location Address18102 CULVER DRIrvine, CA 92612-2730
Mailing Address18102 Culver DrIrvine, CA 92612-2730 · (657) 241-8220
Phone(657) 241-8220
Sole ProprietorYes
Enumeration DateAugust 28, 2013
Last NPPES UpdateAugust 8, 20244 updates tracked since enumeration
NPPES CertifiedAugust 8, 2024
✔ NPI 1255765020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A136798
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
18102 CULVER DR, Irvine, CA 92612
Open in Google Maps ↗

Secondary Practice Locations 2

Location 19400 Rosecrans AveBellflower, CA 90706-2246 · Phone (800) 823-4040
Location 226800 Crown Valley Pkwy Ste 540Mission Viejo, CA 92691-6384 · Phone (949) 242-6915

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Maynard M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Jonathan Maynard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memorialcare Medical Foundation
8.0 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92612 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 5

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

DEEPIKA DHAMA, D.D.S.
Dentist
18102 CULVER DR
IRVINE, CA 92612
Orange County (949) 774-2139
ANGIE MIKHAIL
Nurse Practitioner (Women's Health)
18102 CULVER DR
IRVINE, CA 92612
Orange County (657) 241-8220
ALEXANDER NGUYEN NP
Nurse Practitioner (Family)
18102 CULVER DR
IRVINE, CA 92612
Orange County (657) 241-8220
CATHLEEN SHEN CHONG DDS
Dentist
18102 CULVER DR
IRVINE, CA 92612
Orange County (951) 800-8095
DR. SUSAN LEE DO, MPH
Family Medicine
18102 CULVER DR
IRVINE, CA 92612
Orange County (877) 696-3622

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 Jonathan Maynard's NPI number?

The NPI number for Jonathan Maynard is 1255765020. It was assigned to this individual provider in the NPPES registry on August 28, 2013.

Where is Jonathan Maynard located?

Jonathan Maynard practices at 18102 Culver Dr, Irvine, CA 92612. The listed phone number is (657) 241-8220.

What is Jonathan Maynard's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Jonathan Maynard enrolled in Medicare?

Yes. Jonathan Maynard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jonathan Maynard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Maynard reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jonathan Maynard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jonathan Maynard was last updated on August 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.