1. Home
  2. Directory
  3. California
  4. Santa Ana
  5. Nurse Practitioner
  6. NPI Profile

ISEL HEREDIA
NPI 1104705037
Nurse Practitioner - Primary Care in Santa Ana, CA

Active since August 27, 2025PECOS EnrolledAccepts Medicare Assignment
520 N MAIN ST STE 120, SANTA ANA, CA 92701(714) 352-5800(714) 352-5801 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Isel Heredia NPPES

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

ISEL HEREDIA (NPI 1104705037) is an individual primary care provider in Santa Ana, California, licensed in California (95070403) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Ana, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1104705037
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameISEL HEREDIA
Location Address520 N MAIN ST STE 120Santa Ana, CA 92701-4623
Mailing Address1000 W Macarthur Blvd Apt 59Santa Ana, CA 92707-4652 · (714) 309-9306
Phone(714) 352-5800
Fax(714) 352-5801
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 27, 2025
Last NPPES UpdateJanuary 29, 2026
NPPES CertifiedJanuary 29, 2026
✔ NPI 1104705037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in CA · 95070403
520 N MAIN ST STE 120, Santa Ana, CA 92701
Open in Google Maps ↗

Secondary Practice Location 1

Location 1520 N Main St Ste 220Santa Ana, CA 92701-4623 · Phone (714) 543-5609

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

Isel Heredia 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 ID7416438148
PECOS Enrollment IDI20260220002544
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 Isel Heredia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Access Community Health Center
Same address
Federally Qualified Health Center (FQHC)
520 N MAIN ST STE 220
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • 35 clinicians in this Medicare group
NPI 1245118009 (714) 543-5609
New Foundation Medical Inc.
Same address
Multi-Specialty
520 N MAIN ST STE 120
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
NPI 1689023582 (714) 352-5800

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 92701 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 9

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

SERGIO R. AGUILAR, DDS, INC.
Dentist (General Practice)
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 835-4057
ALI SHAHVERDIANI M.D.
Internal Medicine
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800
YONG SHEN
Nurse Practitioner (Family)
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800
LUKE WON
Podiatrist (Foot & Ankle Surgery)
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800
HASSAN ALIAKBARIAN MD
Internal Medicine
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800
BYRON CHARLES BLEDSOE FNP
Nurse Practitioner (Primary Care)
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (949) 300-7548
ACCESS COMMUNITY HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800
NEW FOUNDATION MEDICAL INC.
Clinic/Center (Multi-Specialty)
520 N MAIN ST STE 120
SANTA ANA, CA 92701
Orange County (714) 352-5800

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 Isel Heredia's NPI number?

The NPI number for Isel Heredia is 1104705037. It was assigned to this individual provider in the NPPES registry on August 27, 2025.

Where is Isel Heredia located?

Isel Heredia practices at 520 N Main St Ste 120, Santa Ana, CA 92701. The listed phone number is (714) 352-5800.

What is Isel Heredia's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Isel Heredia enrolled in Medicare?

Yes. Isel Heredia 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 Isel Heredia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isel Heredia reassigns Medicare benefits to 2 organizations: Access Community Health Center (Santa Ana, CA) and New Foundation Medical Inc. (Santa Ana, 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 Isel Heredia'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 Isel Heredia was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.