Dr. Erin Marie Stewart, MD

  • Stanford, CA
  • Anesthesiologist
NPI1407290281PAC ID4284903832
Medicare services, 2024
71
Medicare patients, 2024
165
Publications
5
Hospital affiliations
2
Industry payments
$24
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 5 affiliations

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Dr. Erin Marie Stewart is an anesthesiologist in Stanford, California

Dr. Stewart practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Stewart's NPI, 1407290281, was assigned on April 23, 2013. Dr. Stewart graduated from Georgetown University School Of Medicine in 2013. Dr. Stewart holds California license A132384.

NPI and contact details
Medicare PAC ID
4284903832
NPI enumeration date
April 23, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Erin Marie Stewart practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Stewart's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Erin Marie Stewart is affiliated with 2 sites of care and 3 medical groups

Dr. Stewart's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Stewart to 1 more hospital and 2 medical groups, each named with a free account. Dr. Stewart's employer is on file too: a hospital.

See all 5 affiliations for Dr. Stewart

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Erin Marie Stewart's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Erin Marie Stewart is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Stewart is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Stewart's licenses on file in 2 states: California and Colorado.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A132384 · 2014 to 2026 · taxonomy 207L00000X
  • Pain medicine (anesthesiology), ColoradoLicense DR.0062829 · 2019 to 2025 · taxonomy 207LP2900X

Anesthesiologists near Dr. Stewart

Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Erin Marie Stewart billed Medicare for 71 services in 2024

CMS data shows 71 Medicare services from Dr. Stewart across 4 procedure codes in 2024, for 165 Medicare patients. Medicare paid $7,671 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202471
Medicare patients165
Paid by Medicare$7,671
Procedure codes4

Dr. Stewart's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Anesthesia
2023: 342024: 5562%
Surgery
2023: 02024: 16
Office and hospital visits
2023: 242024: 0100%

Dr. Stewart compared with the California median for anesthesiologists, 2024

  • Dr. Stewart
  • California median
Medicare services
71vs 72Close to median
Medicare patients
165vs 14315% above

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Dr. Stewart's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Stewart

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Erin Marie Stewart treated 165 Medicare patients in 2024, average age 70

CMS counts 165 Medicare patients who saw Dr. Stewart in 2024. The largest group is 65 to 74, with 88 patients. 74% of them have high blood pressure, and 73% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 62, with 54% women.

Medicare patients, 2024165
Average age70
Average risk score1.99
Also on Medicaid28%

Dr. Stewart's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Stewart's Medicare patients by sex, 2024

  • Women7747%
  • Men8853%

Chronic conditions among Dr. Stewart's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol73%
  3. Arthritis45%
  4. Diabetes37%
  5. Chronic kidney disease33%
  6. Anxiety32%
  7. Mood disorders32%
  8. Cancer29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Stewart's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Erin Marie Stewart offers telehealth to Medicare patients

Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stewart as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Erin Marie Stewart has 5 publications on record

Dmand AI links 5 papers to Dr. Stewart, published from 2021 to 2025. The most frequent topics are Blood Coagulation and Liver Transplantation. Dr. Stewart's most frequent co-authors are Trevor Lee Nydam, MD, Elizabeth A. Pomfret, MD, PhD and Michael L. Camilleri, MD.

Papers5
Years published2021 to 2025

Dr. Stewart's papers by year, 2021 to 2025

Topics Dr. Stewart writes about most

  • Blood Coagulation
  • Liver Transplantation

Dr. Stewart's most frequent co-authors

Recent publications by Dr. Stewart

See all 5 publications and co-authors

See who Dr. Stewart researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stewart works with, so you can find a warm path to the right anesthesiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Erin Marie Stewart received $24 in industry payments in 2020

CMS Open Payments shows 1 general payment to Dr. Stewart from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Karyopharm Therapeutics Inc. paid the most, $24.

Companies that paid Dr. Stewart the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Stewart

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Erin Marie Stewart graduated from Georgetown University School Of Medicine

Dr. Stewart graduated from Georgetown University School Of Medicine in 2013. Dr. Stewart is a member of ASA.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Erin Marie Stewart accepts plans from 7 insurance carriers

Dr. Stewart is in network with 7 carriers, including Cigna, United Healthcare and HCSC. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Cigna
  • United Healthcare
  • HCSC
  • Aetna
  • CMS Medicare
  • Elevance
  • EMI Health

Plan types Dr. Stewart accepts, by number of carriers

  1. HMO4
  2. PPO4
  3. Medicare3
  4. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Erin Marie Stewart's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Erin Marie Stewart

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Erin Marie Stewart's NPI number?

Dr. Erin Marie Stewart's NPI number is 1407290281. It was assigned on April 23, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Erin Marie Stewart?

Dr. Erin Marie Stewart is an anesthesiologist in Stanford, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Erin Marie Stewart practice?

Dr. Stewart practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Stewart's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Stewart to 1 hospital and 2 medical groups.

What is Dr. Erin Marie Stewart's office phone number?

The practice phone on file for Dr. Stewart is (650) 723-4000.

What is Dr. Erin Marie Stewart's medical license number?

Dr. Stewart holds California license A132384, one of the licenses on file in 2 states.

Which states has Dr. Erin Marie Stewart been licensed in?

Dmand AI has state licenses on file for Dr. Stewart in California (2014 to 2026) and Colorado (2019 to 2025).

Which hospitals is Dr. Erin Marie Stewart affiliated with?

Dr. Stewart practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Stewart to 1 more hospital.

What medical group is Dr. Erin Marie Stewart part of?

Dr. Stewart is linked to Stanford Health Care. Dmand AI links Dr. Stewart to 2 more medical groups.

Does Dr. Erin Marie Stewart accept Medicare?

Yes. CMS data shows Dr. Stewart billed Medicare for 71 services in 2024, and Dr. Stewart accepts Medicare assignment.

Does Dr. Erin Marie Stewart offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Stewart as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Erin Marie Stewart see?

CMS counts 165 Medicare patients who saw Dr. Stewart in 2024, with an average age of 70.

Is Dr. Erin Marie Stewart board certified?

Yes. Dr. Stewart is board certified in anesthesiology by the American Board of Anesthesiology.

What services does Dr. Erin Marie Stewart bill to Medicare?

In 2024, Dr. Stewart's most billed Medicare services were anesthesia (00104), surgery: heart and blood vessels (36620) and anesthesia (00811).

Where did Dr. Erin Marie Stewart go to medical school?

Dr. Stewart graduated from Georgetown University School Of Medicine in 2013.

Has Dr. Erin Marie Stewart received payments from drug or device companies?

CMS Open Payments shows $24 in general payments to Dr. Stewart from 1 company from 2020 to 2020. The largest total came from Karyopharm Therapeutics Inc.

How long has Dr. Erin Marie Stewart been practicing?

Dr. Stewart graduated from medical school in 2013, 13 years ago.

Does Dr. Erin Marie Stewart do research?

Dmand AI links 5 publications to Dr. Stewart, published from 2021 to 2025.

Who does Dr. Erin Marie Stewart publish with?

Dr. Stewart's most frequent co-authors are Trevor Lee Nydam, MD (2 shared papers), Elizabeth A. Pomfret, MD, PhD (2 shared papers) and Michael L. Camilleri, MD (1 shared paper).

What insurance does Dr. Erin Marie Stewart accept?

Dr. Stewart is in network with 7 carriers, including Cigna, United Healthcare and HCSC. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

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