1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Pediatrics
  6. NPI Profile

SUSAN A. PEREZ M.D.
NPI 1003041492
Pediatrics in Pasadena, CA

Active since May 28, 2009PECOS Enrolled
1855 N FAIR OAKS AVE, PASADENA, CA 91103(626) 398-6300 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Susan A. Perez M.d. NPPES

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

SUSAN A. PEREZ M.D. (NPI 1003041492) is an individual pediatrics provider in Pasadena, California, licensed in California (A107880) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003041492
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameSUSAN A. PEREZCredential: M.D.
Location Address1855 N FAIR OAKS AVEPasadena, CA 91103-1620
Mailing Address1855 N Fair Oaks AvePasadena, CA 91103-1620 · (626) 398-6300
Phone(626) 398-6300
Sole ProprietorNo
Enumeration DateMay 28, 2009
Last NPPES UpdateDecember 6, 2021
✔ NPI 1003041492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A107880
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.
1855 N FAIR OAKS AVE, Pasadena, CA 91103
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Susan A. Perez 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.

Medicare Billing Reassignment

Medicare enrollment records show Susan Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
4.8 mi
Health Maintenance Organization
2626 COLORADO BLVD
Los Angeles, CA 90041
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1013409044 (877) 608-0044

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 91103 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.

MISS MONICA JUAREZ
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 398-6300
MR. MICHAEL PATRICK MILLER LVN
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 296-7710
PERLA RUBY BELTRAN LVN
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 398-6300
MA. CECILIA ALONZO VERCELES
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 398-6300
VERONICA KAY HELMUTH
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 398-6300
ANGIE BYUNG JU KIM PA-C
Physician Assistant
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 993-1221
TASKA K MOORE MD
Obstetrics & Gynecology
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 993-1158
MARISOL BONNER
Licensed Vocational Nurse
1855 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 398-6300

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 Susan Perez's NPI number?

The NPI number for Susan Perez is 1003041492. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Where is Susan Perez located?

Susan Perez practices at 1855 N Fair Oaks Ave, Pasadena, CA 91103. The listed phone number is (626) 398-6300.

What is Susan Perez's specialty?

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

Is Susan Perez enrolled in Medicare?

Yes. Susan Perez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Susan Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Susan Perez reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The 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 Susan Perez'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 Susan Perez was last updated on December 6, 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.