BERTHA STELLA OROPEZA RN. NP
NPI 1376644369
Nurse Practitioner - Obstetrics & Gynecology in Fontana, CA

Q: What is Bertha Oropeza's NPI number?

The NPI number for Bertha Oropeza is 1376644369. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Q: What is Bertha Oropeza's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.

Q: When was this NPI record last updated?

The NPPES record for Bertha Oropeza was last updated on October 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment

7965 SIERRA AVE STE E, FONTANA, CA 92336(909) 356-4459(909) 655-4261 Get Directions Write a Review

NPPES record last updated: October 24, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Bertha Stella Oropeza Rn. Np NPPES

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

BERTHA STELLA OROPEZA RN. NP (NPI 1376644369) is an individual obstetrics & gynecology provider in Fontana, California, licensed in California (3647) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1977).

NPPES Registry Identity

NPI1376644369

Entity TypeIndividualFemale

Primary Taxonomy363LX0001X

Provider Legal NameBERTHA STELLA OROPEZACredential: RN. NP

Location Address7965 SIERRA AVE STE EFontana, CA 92336-3329

Mailing Address7965 Sierra Ave Ste EFontana, CA 92336-3329 · (909) 356-4459 · Fax (909) 655-4261

Phone(909) 356-4459

Fax(909) 655-4261

Sole ProprietorNo

Medical School CMSOtherGraduated 1977

Enumeration DateSeptember 25, 2006

Last NPPES UpdateOctober 24, 2016

✔ NPI 1376644369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Obstetrics & GynecologyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LX0001X

License✔ Licensed in CA · 3647

7965 SIERRA AVE STE E, Fontana, CA 92336

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Other Identifiers 3

Medicare UPINCA197128CA

MedicaidRN276487CA

Medicaid3647CA

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

Bertha Stella Oropeza Rn. Np 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 ID7113216045

PECOS Enrollment IDI20200408001078

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 Bertha Oropeza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

San Marcos Medical Group Inc

3.7 mi

Obstetrics & Gynecology

14980 SUMMIT AVE STE 230
Fontana, CA 92336

Reassigned Medicare billing, California enrollment
49 clinicians in this Medicare group

NPI 1447446448 (909) 376-4438

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 92336 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 11

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

NANCY PULIDO NP

Obstetrics & Gynecology (Obstetrics)