ERIN MARIE STEWART M.D.
NPI 1407290281
Anesthesiology in Stanford, CA

Q: What is Erin Stewart's NPI number?

The NPI number for Erin Stewart is 1407290281. It was assigned to this individual provider in the NPPES registry on April 23, 2013.

Q: What is Erin Stewart's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Erin Stewart was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 23, 2013PECOS EnrolledAccepts Medicare Assignment

97.58/100

CMS Quality Rating

300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: July 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 1, 2024, Sep 27, 2019 (2 updates tracked since 2019).

On this page

About Erin Marie Stewart M.d. NPPES

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

ERIN MARIE STEWART M.D. (NPI 1407290281) is an individual anesthesiology provider in Stanford, California, licensed in California (A132384) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of Georgetown University School Of Medicine (2013).

NPPES Registry Identity

NPI1407290281

Entity TypeIndividualFemale

Primary Taxonomy207L00000X

Provider Legal NameERIN MARIE STEWARTCredential: M.D.

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 CMSGeorgetown University School Of MedicineGraduated 2013

Enumeration DateApril 23, 2013

Last NPPES UpdateJuly 1, 20242 updates tracked since enumeration

NPPES CertifiedJuly 1, 2024

✔ NPI 1407290281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A132384

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License DR.0062829 (CO)

Also ListedInternal MedicineTaxonomy 207R00000X · License A132384 (CA)

300 PASTEUR DR, Stanford, CA 94305

Open in Google Maps ↗

Secondary Practice Location 1

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 777-1234

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Erin Marie Stewart M.d. 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 ID4284903832

PECOS Enrollment IDI20170713000658

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 Reassignments

Medicare enrollment records show Erin Stewart reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care

Same address

General Acute Care Hospital

300 PASTEUR DRIVE
Stanford, CA 94305

Reassigned Medicare billing, California enrollment
4,258 clinicians in this Medicare group

NPI 1437292927 (650) 723-4000

Lpch Medical Group Div Of Lucile

0.2 mi

Children

725 WELCH RD
Palo Alto, CA 94304

Reassigned Medicare billing, California enrollment
3,617 clinicians in this Medicare group

NPI 1417907940 (650) 498-6762

County Of San Mateo

2.4 mi

Medical Specialty

795 WILLOW RD
Menlo Park, CA 94025

Reassigned Medicare billing, California enrollment
Also billed through NPI 1831268580 (California)
597 clinicians in this Medicare group

NPI 1336239052 (650) 599-3890

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for electroshock therapy 00104

Anesthesia for electroshock therapy involves administering medications to put you into a deep sleep. This ensures you won't feel pain or remember the procedure. It's essential for your comfort and safety during the therapy.

31 services18 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

16 services16 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

13 services13 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

11 services11 patients

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.

97.58/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.53

Promoting Interoperability

100

Improvement Activities

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 Erin Stewart's NPI number?

The NPI number for Erin Stewart is 1407290281. It was assigned to this individual provider in the NPPES registry on April 23, 2013.

Where is Erin Stewart located?

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

What is Erin Stewart's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Erin Stewart enrolled in Medicare?

Yes. Erin Stewart 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.

Which organizations bill Medicare for Erin Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Stewart reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and County Of San Mateo (Menlo Park, CA). Each 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 Erin Stewart'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 Erin Stewart was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.