Helen Margaret Bronte-Stewart, MD
Clinical Neurophysiology Physician · Stanford, CA
Helen Margaret Bronte-Stewart, MD is a clinical neurophysiology physician with a practice address in Stanford, California, and NPI 1295786804, issued on May 16, 2006. Check the license (California G63510, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen Margaret Bronte-Stewart
- Credential
- MD
- Primary taxonomy
- Clinical Neurophysiology Physician 2084N0600X
- License number
- G63510 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- May 16, 2006
- Record last updated
- Nov 9, 2023
- Medicaid ID
- 1295786804 CA
- Medicare enrollment
- Enrolled (PECOS I20080724000506); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical neurophysiology physician records → All 71 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helen Margaret Bronte-Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G63510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average clinical neurophysiology physician in 2024
147 Medicare Part D claims for 24 beneficiaries, against an average of 1,586 among the 319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Carbidopa-Levodopa51 claims
- Carbidopa-Levodopa Er39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,420.00
1 payment: consulting fee; the largest payer was Genentech USA, Inc. The 260 providers of this specialty with any payment received $7,345.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Helen Margaret Bronte-Stewart among 71 clinical neurophysiology physician records in California
Helen Margaret Bronte-Stewart, MD is one of 71 clinical neurophysiology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 66% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1984 · median 2007 among the 49 with a school on file
- Record last updated2023 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neurophysiology Physician providers in California
There are 71 clinical neurophysiology physician records in California.
All 71 in California → Every provider in Stanford → Clinical Neurophysiology Physician nationwide →
The 8 clinical neurophysiology physician records with the nearest ZIP codes
- Sungho Cho, MDStanford, CA 943051932152360
- Safwan Jaradeh, MDStanford, CA 943051730130576
- Maya Katz, MDStanford, CA 943051427218304
- James Langston, MDStanford, CA 943051659306371
- Leslie Lee, M.D.Stanford, CA 943051932115219
- Christopher Lock, MDStanford, CA 943051427205061
- Jaime Lopez, MDStanford, CA 943051033288014
- Mitchell Miglis, MDStanford, CA 943051972779411
Common questions
What is Helen Margaret Bronte-Stewart, MD's NPI number?
Helen Margaret Bronte-Stewart, MD's National Provider Identifier (NPI) is 1295786804, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen Margaret Bronte-Stewart, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Helen Margaret Bronte-Stewart, MD's license?
NPPES lists California license number G63510, as entered by the provider. 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.
How much does Helen Margaret Bronte-Stewart, MD prescribe under Medicare Part D?
In 2024, Helen Margaret Bronte-Stewart, MD had 147 Medicare Part D claims for 24 beneficiaries; the average among clinical neurophysiology physician prescribers was 1,586. Part D covers Medicare prescriptions only.
What is Helen Margaret Bronte-Stewart, MD's MIPS final score?
The 2023 MIPS final score is 76.5 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), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.