DR. OLGA M. ADAN M.D.
NPI 1447206073
Pediatrics in Rialto, CA

Active since May 25, 2006PECOS Enrolled
1851 N RIVERSIDE AVE, RIALTO, CA 92376(909) 466-6576 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Dec 1, 2025, Mar 4, 2016 (2 updates tracked since 2016).

About Dr. Olga M. Adan M.d. NPPES

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

DR. OLGA M. ADAN M.D. (NPI 1447206073) is an individual pediatrics provider in Rialto, California, licensed in California (G75426) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Rancho Cucamonga.

NPPES Registry Identity

NPI1447206073
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. OLGA M. ADANCredential: M.D.
Location Address1851 N RIVERSIDE AVERialto, CA 92376-8069
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateDecember 1, 20252 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1447206073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G75426
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.
1851 N RIVERSIDE AVE, Rialto, CA 92376

Secondary Practice Location 1

Location 110431 Lemon Ave, #NRancho Cucamonga, CA 91737-3700 · Phone (909) 466-6579 · Fax (909) 796-4158

Other Identifiers 1

Medicaid00G754250CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Olga M. Adan 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92376 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 20

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

Nurse Practitioner (Family)
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Nurse Practitioner (Family)
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Family Medicine
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Family Medicine
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Family Medicine
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Nurse Practitioner
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Nurse Practitioner (Family)
1851 N RIVERSIDE AVE
RIALTO, CA 92376
Internal Medicine
1851 N RIVERSIDE AVE
RIALTO, CA 92376

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 Olga Adan's NPI number?

The NPI number for Olga Adan is 1447206073. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Olga Adan located?

Olga Adan practices at 1851 N Riverside Ave, Rialto, CA 92376. The listed phone number is (909) 466-6576.

What is Olga Adan's specialty?

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

Is Olga Adan enrolled in Medicare?

Yes. Olga Adan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olga Adan was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.