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MONIKA GARG MATHUR M.D.
NPI 1558669002
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Tustin, CA

Active since March 08, 2011PECOS EnrolledAccepts Medicare Assignment
535 E MAIN ST STE 113, TUSTIN, CA 92780(949) 466-6055 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Monika Garg Mathur M.d. NPPES

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

MONIKA GARG MATHUR M.D. (NPI 1558669002) is an individual neurology with special qualifications in child neurology provider in Tustin, California, licensed in California (A120142) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2010).

NPPES Registry Identity

NPI1558669002
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameMONIKA GARG MATHURCredential: M.D.
Location Address535 E MAIN ST STE 113Tustin, CA 92780-4453
Mailing Address535 E Main St Ste 113Tustin, CA 92780-4453
Phone(949) 466-6055
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2010
Enumeration DateMarch 8, 2011
Last NPPES UpdateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1558669002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in CA · A120142
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 ListedPediatrics · Sleep MedicineTaxonomy 2080S0012X · License A120142 (CA)
535 E MAIN ST STE 113, Tustin, CA 92780
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Monika Garg Mathur M.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 ID446506166
PECOS Enrollment IDI20180710002312
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 Reassignments

2

Medicare enrollment records show Monika Mathur reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Apex Health Providers
Same address
Urgent Care
535 E MAIN ST # 113
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1386409563 (949) 466-6055
Southern California Permanente Medical Group
7.7 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1396287082 (California)
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000

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 92780 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers11 claims11 services$33.82 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
2 suppliers15 claims15 services$39.90 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
3 suppliers11 claims11 services$14.78 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
2 suppliers11 claims11 services$9.53 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers21 claims122 services$1.69 avg. paid by Medicare
Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046
DME-Other DME · category DE001N
2 suppliers11 claims11 services$10.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

CALIFORNIA SLEEP NEUROLOGY ORGANIZATION FOR WELLNESS
Clinic/Center (Urgent Care)
535 E MAIN ST STE 113
TUSTIN, CA 92780
Orange County (949) 466-6055

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 Monika Mathur's NPI number?

The NPI number for Monika Mathur is 1558669002. It was assigned to this individual provider in the NPPES registry on March 8, 2011.

Where is Monika Mathur located?

Monika Mathur practices at 535 E Main St Ste 113, Tustin, CA 92780. The listed phone number is (949) 466-6055.

What is Monika Mathur'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 Monika Mathur enrolled in Medicare?

Yes. Monika Mathur 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.

Which organizations bill Medicare for Monika Mathur's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monika Mathur reassigns Medicare benefits to 2 organizations: Apex Health Providers (Tustin, CA) and Southern California Permanente Medical Group (Anaheim, CA). Each 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 Monika Mathur'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 Monika Mathur was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.