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MRS. NANCY ANN RAMIREZ NP-C
NPI 1992185847
Nurse Practitioner - Family in Pomona, CA

Active since June 05, 2015PECOS Enrolled
1880 N ORANGE GROVE AVE, POMONA, CA 91767(909) 620-7200(909) 620-5800 Get Directions Write a Review

NPPES record last updated: November 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 23, 2021, Apr 19, 2021, Jan 21, 2021 and 4 more (7 updates tracked since 2017).

About Mrs. Nancy Ann Ramirez Np-c NPPES

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

MRS. NANCY ANN RAMIREZ NP-C (NPI 1992185847) is an individual family provider in Pomona, California, licensed in Alaska (169575) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992185847
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. NANCY ANN RAMIREZCredential: NP-C
Location Address1880 N ORANGE GROVE AVEPomona, CA 91767-3006
Mailing AddressPo Box 5608Portland, OR 97228-5608 · (888) 227-3312
Phone(909) 620-7200
Fax(909) 620-5800
Sole ProprietorNo
Enumeration DateJune 5, 2015
Last NPPES UpdateNovember 23, 20217 updates tracked since enumeration
NPPES CertifiedNovember 23, 2021
✔ NPI 1992185847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in AK · 169575✔ Licensed in OR · 202100565NP-PP✔ Licensed in MT · 171496✔ Licensed in WA · AP61128167✔ Licensed in CA · 95001729
Also ListedRegistered NurseTaxonomy 163W00000X · License 811092 (CA)
1880 N ORANGE GROVE AVE, Pomona, CA 91767
Open in Google Maps ↗

Other Names 1

Former Name (1)Nancy Ann Stark Np-c

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Nancy Ann Ramirez Np-c 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Nancy Ramirez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chaparral Medical Group, Inc.
Same address
General Practice
1866 N ORANGE GROVE AVE, 202 201 102 & 104
Pomona, CA 91767
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1750634325 (California)
  • 114 clinicians in this Medicare group
NPI 1437111028 (909) 623-8796
Molina Healthcare Of California
1.4 mi
Family Medicine
887 E SECOND ST
Pomona, CA 91766
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
NPI 1932214228 (909) 620-7769
Providence Facey Medical Foundation
29 mi
Multi-Specialty
57 PRISM
Irvine, CA 92618
  • Reassigned Medicare billing, California enrollment
  • 684 clinicians in this Medicare group
NPI 1891348447 (818) 847-6881

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 91767 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.

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.

PATRICK ALONZO
Nurse Practitioner
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 623-2100
RITA PATRICK M.D.
Hospitalist
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 630-7158
MS. SUMI T FELIX MD
Family Medicine
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 620-7200
EWA HANNA KONCA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 620-7200
SUZETTE BARSOUM NP
Nurse Practitioner
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 620-7200
MS. CHARLENE ABBY CHUA
Nurse Practitioner (Family)
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 623-2100
DR. TOBIN J PANICKER M.D.
Hospitalist
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 630-7158
CHAPARRAL MEDICAL GROUP, INC.
Internal Medicine
1880 N ORANGE GROVE AVE
POMONA, CA 91767
Los Angeles County (909) 620-7200

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 Nancy Ramirez's NPI number?

The NPI number for Nancy Ramirez is 1992185847. It was assigned to this individual provider in the NPPES registry on June 5, 2015. The provider is also known as Nancy Ann Stark Np-C.

Where is Nancy Ramirez located?

Nancy Ramirez practices at 1880 N Orange Grove Ave, Pomona, CA 91767. The listed phone number is (909) 620-7200.

What is Nancy Ramirez's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Nancy Ramirez enrolled in Medicare?

Yes. Nancy Ramirez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nancy Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Ramirez reassigns Medicare benefits to 3 organizations: Chaparral Medical Group, Inc. (Pomona, CA), Molina Healthcare Of California (Pomona, CA) and Providence Facey Medical Foundation (Irvine, 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 Nancy Ramirez'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 Nancy Ramirez was last updated on November 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.