JAMES WILLIAM LANGSTON MD
NPI 1659306371
Psychiatry & Neurology - Clinical Neurophysiology in Stanford, CA
About James William Langston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES WILLIAM LANGSTON MD (NPI 1659306371) is an individual clinical neurophysiology provider in Stanford, California, licensed in California (G21759) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Columbia School Of Medicine (1967).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
James William Langston Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show James Langston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
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.
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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 James Langston's NPI number?
The NPI number for James Langston is 1659306371. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is James Langston located?
James Langston practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is James Langston's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.
Is James Langston enrolled in Medicare?
Yes. James Langston 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 James Langston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Langston reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, 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 James Langston'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 James Langston was last updated on November 9, 2023. 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.
# James William Langston, MD · NPI 1659306371
Clinical Neurophysiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1659306371 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Psychiatry & Neurology - Clinical Neurophysiology · taxonomy 2084N0600X
- **State license:** G21759 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 1967
## Record status
- **NPPES last updated:** November 9, 2023
- **Other identifiers:** Medicaid GR0054990 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1659306371) · Data from the CMS NPPES public registry.