MARCO ANTONIO MONARES M.D.
NPI 1295943033
Pediatrics in Los Angeles, CA

Active since May 17, 2007Opted out of Medicare · through Jul 8, 2027
1243 S EASTMAN AVE, LOS ANGELES, CA 90023(323) 273-6271 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marco Antonio Monares M.d. NPPES

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

MARCO ANTONIO MONARES M.D. (NPI 1295943033) is an individual pediatrics provider in Los Angeles, California, licensed in California (A89375) and active in the NPI registry since May 2007. He has opted out of Medicare through July 8, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1295943033
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameMARCO ANTONIO MONARESCredential: M.D.
Location Address1243 S EASTMAN AVELos Angeles, CA 90023-3318
Mailing Address1243 S Eastman AveLos Angeles, CA 90023-3318 · (323) 273-6271
Sole ProprietorYes
Enumeration DateMay 17, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1295943033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in CA · A89375
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.

Also ListedInternal MedicineTaxonomy 207R00000X · License A89375 (CA)
1243 S EASTMAN AVE, Los Angeles, CA 90023

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Marco Antonio Monares M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 8, 2015 through July 8, 2027.

Opt-Out Effective DateJuly 8, 2015
Opt-Out In Effect ThroughJuly 8, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90023 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.

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 Marco Monares's NPI number?

The NPI number for Marco Monares is 1295943033. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is Marco Monares located?

Marco Monares practices at 1243 S Eastman Ave, Los Angeles, CA 90023. The listed phone number is (323) 273-6271.

What is Marco Monares's specialty?

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

Is Marco Monares enrolled in Medicare?

No. Marco Monares has opted out of Medicare through July 8, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Marco Monares was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.