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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GARRETT MALLOY TIMMONS MD
NPI 1215513767
Psychiatry & Neurology - Neurology in Stanford, CA

Active since March 23, 2021PECOS Enrolled
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Garrett Malloy Timmons Md NPPES

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

GARRETT MALLOY TIMMONS MD (NPI 1215513767) is an individual neurology provider in Stanford, California, licensed in California (A181531) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1215513767
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameGARRETT MALLOY TIMMONSCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 23, 2021
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1215513767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A181531
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License A181531 (CA)
300 PASTEUR DR, Stanford, CA 94305
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1213 Quarry RdPalo Alto, CA 94304-1416 · Phone (650) 723-6469 · Fax (650) 723-6469
Location 2450 Stanyan StSan Francisco, CA 94117-1019 · Phone (415) 750-5942 · Fax (415) 750-5594

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Garrett Malloy Timmons Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2365911369
PECOS Enrollment IDI20260519004109
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

PRISTA CHARUWORN MD
Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Santa Clara County (650) 723-6661
ANDREW CHARLES PICEL M.D
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
MATTHEW A WRIGHT M.D. PH.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. QUAZI ZUBAIR AL-TARIQ M.D.
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
ANGIE DEE MURKINS NP
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. JAMSHID GHAJAR MD PHD
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
SARA BAKHTARY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Santa Clara County (650) 723-5252
YU KUANG LAI MD
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000

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 Garrett Timmons's NPI number?

The NPI number for Garrett Timmons is 1215513767. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Garrett Timmons located?

Garrett Timmons practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Garrett Timmons's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Garrett Timmons enrolled in Medicare?

Yes. Garrett Timmons is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Garrett Timmons was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.