1. Home
  2. Directory
  3. California
  4. Cerritos
  5. Anesthesiology
  6. NPI Profile

CATHERINE C WHANG M.D.
NPI 1417920380
Anesthesiology - Pediatric Anesthesiology in Cerritos, CA

Active since February 09, 2006PECOS Enrolled
12521 PEPPERCREEK LN, CERRITOS, CA 90703(530) 400-2962 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Catherine C Whang M.d. NPPES

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

CATHERINE C WHANG M.D. (NPI 1417920380) is an individual pediatric anesthesiology provider in Cerritos, California, licensed in California (A84695) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417920380
Entity TypeIndividualFemale
Primary Taxonomy207LP3000X
Provider Legal NameCATHERINE C WHANGCredential: M.D.
Location Address12521 PEPPERCREEK LNCerritos, CA 90703-2043
Mailing Address12521 Peppercreek LnCerritos, CA 90703-2043 · (530) 400-2962
Phone(530) 400-2962
Sole ProprietorNo
Enumeration DateFebruary 9, 2006
Last NPPES UpdateDecember 22, 2021
✔ NPI 1417920380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pediatric AnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207LP3000X
License✔ Licensed in CA · A84695
Definition
An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services including the evaluation of complex medical problems in infants and children when surgery is necessary, planning and care for children before and after surgery, pain control, anesthesia and sedation for any procedures out of the operating room such as MRI, CT scan, and radiation therapy.
Also ListedAnesthesiologyTaxonomy 207L00000X · License A84695 (CA)
12521 PEPPERCREEK LN, Cerritos, CA 90703
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)

Catherine C Whang 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 Catherine Whang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
325 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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 90703 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Catherine Whang's NPI number?

The NPI number for Catherine Whang is 1417920380. It was assigned to this individual provider in the NPPES registry on February 9, 2006.

Where is Catherine Whang located?

Catherine Whang practices at 12521 Peppercreek Ln, Cerritos, CA 90703. The listed phone number is (530) 400-2962.

What is Catherine Whang's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.

Is Catherine Whang enrolled in Medicare?

Yes. Catherine Whang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Whang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Whang reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Catherine Whang'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 Catherine Whang was last updated on December 22, 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.