James William Langston, MD
Clinical Neurophysiology Physician · Stanford, CA
James William Langston, MD is a clinical neurophysiology physician with a practice address in Stanford, California, and NPI 1659306371, issued on Jul 11, 2006. Check the license (California G21759, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James William Langston
- Credential
- MD
- Primary taxonomy
- Clinical Neurophysiology Physician 2084N0600X
- License number
- G21759 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jul 11, 2006
- Record last updated
- Nov 9, 2023
- Medicaid ID
- GR0054990 CA
- Medicare enrollment
- Enrolled (PECOS I20100622000370); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1967
- 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
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Verify James William Langston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average clinical neurophysiology physician in 2024
633 Medicare Part D claims for 41 beneficiaries, against an average of 1,586 among the 319 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Carbidopa-Levodopa182 claims
- Gocovri54 claims
- Rytary47 claims
- Carbidopa-Levodopa Er43 claims
- Rasagiline Mesylate41 claims
- Rivastigmine41 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).
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.
James William Langston among 71 clinical neurophysiology physician records in California
James William Langston, 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
- Graduated1967 · 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
- Helen Bronte-Stewart, MDStanford, CA 943051295786804
- Sungho Cho, MDStanford, CA 943051932152360
- Safwan Jaradeh, MDStanford, CA 943051730130576
- Maya Katz, MDStanford, CA 943051427218304
- 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 James William Langston, MD's NPI number?
James William Langston, MD's National Provider Identifier (NPI) is 1659306371, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James William Langston, 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 James William Langston, MD's license?
NPPES lists California license number G21759, 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 James William Langston, MD prescribe under Medicare Part D?
In 2024, James William Langston, MD had 633 Medicare Part D claims for 41 beneficiaries; the average among clinical neurophysiology physician prescribers was 1,586. Part D covers Medicare prescriptions only.
What is James William Langston, 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.