MARKUS JAMES GUERRERO PA-C
NPI 1720744469
Physician Assistant in Stanford, CA

Active since November 16, 2021PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: September 14, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 3, 2023, Nov 16, 2021 (2 updates tracked since 2021).

About Markus James Guerrero Pa-c NPPES

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

MARKUS JAMES GUERRERO PA-C (NPI 1720744469) is an individual physician assistant in Stanford, California, licensed in California (60590) and active in the NPI registry since November 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Galt, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1720744469
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMARKUS JAMES GUERREROCredential: PA-C
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateNovember 16, 2021
Last NPPES UpdateSeptember 14, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2023
NPI 1720744469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in CA · 60590
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Location 1

Location 11190 Park Valley CtGalt, CA 95632-3735 · Phone (209) 625-5394

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Markus James Guerrero Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416343389
PECOS Enrollment IDI20230330002930
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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Markus Guerrero's NPI number?

The NPI number for Markus Guerrero is 1720744469. It was assigned to this individual provider in the NPPES registry on November 16, 2021.

Where is Markus Guerrero located?

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

What is Markus Guerrero's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Markus Guerrero enrolled in Medicare?

Yes. Markus Guerrero is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Markus Guerrero was last updated on September 14, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.