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DR. JONATHAN THOMAS MEGERIAN M.D., PH.D.
NPI 1124065891
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Orange, CA

Active since June 01, 2006PECOS EnrolledAccepts Medicare Assignment
170 S MAIN ST, ORANGE, CA 92868(714) 288-7651 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 29, 2026, Jul 6, 2020 (2 updates tracked since 2020).

About Dr. Jonathan Thomas Megerian M.d., Ph.d. NPPES

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

DR. JONATHAN THOMAS MEGERIAN M.D., PH.D. (NPI 1124065891) is an individual neurology with special qualifications in child neurology provider in Orange, California, licensed in California (G137941) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ladera Ranch, and is a graduate of Northwestern University Feinberg Medical School (1993).

NPPES Registry Identity

NPI1124065891
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameDR. JONATHAN THOMAS MEGERIANCredential: M.D., PH.D.
Location Address170 S MAIN STOrange, CA 92868-2801
Mailing Address9 Wyndham StLadera Ranch, CA 92694-0251 · (617) 293-9370
Phone(714) 288-7651
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1993
Enumeration DateJune 1, 2006
Last NPPES UpdateMay 29, 20262 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1124065891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in CA · G137941
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Also ListedPediatricsTaxonomy 208000000X · License G137941 (CA)
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License G137941 (CA)
170 S MAIN ST, Orange, CA 92868
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Other Names 1

Other Name (5)Dr. Tom Megerian Md, Phd

Secondary Practice Location 1

Location 19 Wyndham StLadera Ranch, CA 92694-0251 · Phone (617) 293-9370

Other Identifiers 1

Medicaid3140652MA

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

Dr. Jonathan Thomas Megerian M.d., Ph.d. 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 ID9234113580
PECOS Enrollment IDI20160107000858
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 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 9

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

SARAH TRANG ANH CATHERINE ANDERSON M.S., BCBA
Behavior Analyst
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 462-1837
DR. ERIC HIDEYUKI ISHIJIMA BCBA
Behavior Analyst
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 288-7651
MR. JOHN ROBERT BUDDE BCBA
Behavior Analyst
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 509-4077
NATALIE LAI BCBA
Behavior Analyst
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 288-7379
TRICIA CHOY PH.D.
Psychologist
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 462-1837
BUTANI PAIN CLINIC INC
Psychiatry & Neurology (Neurology)
170 S MAIN ST, SUITE 200
ORANGE, CA 92868
Orange County (213) 620-7600
ELIZABETH ANN CUSTODIO NP-C
Nurse Practitioner
170 S MAIN ST
ORANGE, CA 92868
Orange County (714) 288-7651
BUTANI DERMATOLOGY INC
Dermatology
170 S MAIN ST, SUITE 200
ORANGE, CA 92868
Orange County (213) 620-7600

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 Megerian's NPI number?

The NPI number for Jonathan Megerian is 1124065891. It was assigned to this individual provider in the NPPES registry on June 1, 2006. The provider is also known as Dr. Tom Megerian MD, Phd.

Where is Jonathan Megerian located?

Jonathan Megerian practices at 170 S Main St, Orange, CA 92868. The listed phone number is (714) 288-7651.

What is Jonathan Megerian's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Jonathan Megerian enrolled in Medicare?

Yes. Jonathan Megerian 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 Jonathan Megerian was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.