1. Home
  2. Directory
  3. California
  4. San Mateo
  5. Emergency Medicine
  6. NPI Profile

ROBERT GROSS SPENCER M.D.
NPI 1477758993
Emergency Medicine in San Mateo, CA

Active since June 15, 2007
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2671 Get Directions Write a Review

NPPES record last updated: March 6, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert Gross Spencer M.d. NPPES

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

ROBERT GROSS SPENCER M.D. (NPI 1477758993) is an individual emergency medicine provider in San Mateo, California, licensed in California (G20456) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1477758993
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROBERT GROSS SPENCERCredential: M.D.
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address2100 Powell St, Suite 900Emeryville, CA 94608-1826 · (510) 350-2600
Phone(650) 573-2671
Sole ProprietorNo
Enumeration DateJune 15, 2007
Last NPPES UpdateMarch 6, 2008
✔ NPI 1477758993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G20456
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
222 W 39TH AVE, San Mateo, CA 94403
Open in Google Maps ↗

Other Identifiers 3

Medicaid00G204560CA
Medicare UPINA40937CA
Medicare PIN00G204560CA

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.

DR. LORENA MICHEL PSY.D.
Psychologist (Clinical)
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3420
COUNTY OF SAN MATEO
General Acute Care Hospital
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
DR. JUDITH CLAIRE SCHIFFNER M.D.
Dermatology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2414
SAN MATEO MEDICAL CENTER
Clinic/Center
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
JOHN ANDERSON MD
Obstetrics & Gynecology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
MR. PAUL SAITO M.A.
Counselor
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3435
CHRISTIAN SUSTRINA PTA
Physical Medicine & Rehabilitation
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
KATHRYN JOY SANTANA RN PHN
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3982

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 Robert Spencer's NPI number?

The NPI number for Robert Spencer is 1477758993. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Where is Robert Spencer located?

Robert Spencer practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2671.

What is Robert Spencer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Robert Spencer was last updated on March 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.