Registry data as of Aug 27, 2026

Maggie Chou, MD

Critical Care Medicine (Anesthesiology) Physician · Stanford, CA

Maggie Chou, MD is a critical care medicine (anesthesiology) physician with a practice address in Stanford, California, and NPI 1598082661, issued on Apr 28, 2010. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598082661
Name
Maggie Chou
Credential
MD
Primary taxonomy
Critical Care Medicine (Anesthesiology) Physician 207LC0200X
Practice location
300 Pasteur Dr # H3580, Stanford, CA 94305
Phone
(650) 723-6412
Enumerated
Apr 28, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr # H3580

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gillian Abir, MBCHB, FRCAAnesthesiology Physician1538300595
  2. Gareth Ackland, PHD FRCAAnesthesiology Physician1538356969
  3. Heather Cadenhead, MD, FRCPCAnesthesiology Physician1255121810
  4. John DentonAnesthesiology Physician1356818504
  5. Leeanne Park, M.D.Student in an Organized Health Care Education/Training Program1730574393

Verify Maggie Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

The practice group's Medicare quality score for 2023: 61.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score50.6
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $12.08

1 payment, mostly food and beverage; the largest payer was Ambu Inc.. The 405 providers of this specialty with any payment received $2,256.48 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maggie Chou$12.08
  2. Specialty average$2,256.48

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Cep America - Anesthesia PCSan Jose, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Critical Care Medicine (Anesthesiology) Physician providers in California

There are 159 critical care medicine (anesthesiology) physician records in California.

Other critical care medicine (anesthesiology) physician records in California

  1. Benjamin Abney, MDOceanside, CA1366933186
  2. Ayman Ads, M.D.Riverside, CA1467488023
  3. Scott Ahlbrand, M.D.Stanford, CA1871789354
  4. Xavier Alacoque, M.D.San Francisco, CA1619197068
  5. Brannon Altenhofen, MDLos Angeles, CA1780180703
  6. Robert Ang, MDSunnyvale, CA1225219025
  7. Timothy Angelotti, MDStanford, CA1306896568
  8. Andrea Ansari, MDSacramento, CA1972066686
  9. Nicole Arkin, MDStanford, CA1972997021
  10. Elizabeth Bales, M.D.Newport Beach, CA1275720682

Common questions

What is Maggie Chou, MD's NPI number?

Maggie Chou, MD's National Provider Identifier (NPI) is 1598082661, issued on Apr 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maggie Chou, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr # H3580, Stanford, CA, 94305. Phone: (650) 723-6412. Providers update this record themselves, so call before visiting.

How can I verify Maggie Chou, MD's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Maggie Chou, MD's Medicare quality score?

The 2023 MIPS final score is 61.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.