DR. JENNIFER C ZUMARRAGA M.D.
NPI 1518987601
Psychiatry & Neurology - Child & Adolescent Psychiatry in Los Altos, CA

Active since July 20, 2006PECOS Enrolled
919 FREMONT AVE, STE 100, LOS ALTOS, CA 94024(650) 988-3258 Get Directions Write a Review

NPPES record last updated: May 15, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jennifer C Zumarraga M.d. NPPES

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

DR. JENNIFER C ZUMARRAGA M.D. (NPI 1518987601) is an individual child & adolescent psychiatry provider in Los Altos, California, licensed in California (A83076) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518987601
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. JENNIFER C ZUMARRAGACredential: M.D.
Location Address919 FREMONT AVE, STE 100Los Altos, CA 94024-6024
Mailing Address919 Fremont Ave, Ste 100Los Altos, CA 94024-6024 · (650) 988-3258
Sole ProprietorYes
Enumeration DateJuly 20, 2006
Last NPPES UpdateMay 15, 2014
✔ NPI 1518987601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in CA · A83076
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
919 FREMONT AVE, Los Altos, CA 94024

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jennifer C Zumarraga 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 Jennifer Zumarraga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
828 S WINCHESTER BLVD
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 314 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 5

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

Psychologist
919 FREMONT AVE, SUITE 202
LOS ALTOS, CA 94024
Psychologist
919 FREMONT AVE, SUITE #202
LOS ALTOS, CA 94024
Marriage & Family Therapist
919 FREMONT AVE
LOS ALTOS, CA 94024
Specialist
919 FREMONT AVE, SUITE 100
LOS ALTOS, CA 94024
Psychologist (Clinical)
919 FREMONT AVE, SUITE 202
LOS ALTOS, CA 94024

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 Jennifer Zumarraga's NPI number?

The NPI number for Jennifer Zumarraga is 1518987601. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Jennifer Zumarraga located?

Jennifer Zumarraga practices at 919 Fremont Ave Ste 100, Los Altos, CA 94024. The listed phone number is (650) 988-3258.

What is Jennifer Zumarraga's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Jennifer Zumarraga enrolled in Medicare?

Yes. Jennifer Zumarraga is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jennifer Zumarraga's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Zumarraga reassigns Medicare benefits to El Camino Health Medical Network, LLC (San Jose, 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 Jennifer Zumarraga'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 Jennifer Zumarraga was last updated on May 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.