Doctor profile · Federal record

Dr. James Langston, MD

Clinical Neurophysiology Physician (CMS: Neuropsychiatry) · Neurology Physician · Stanford, CA

  • NPI 1659306371
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 59 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 9, 2023
Year of graduation
1967 — 59 yrs since
Specialty taxonomy
2084N0600X — NUCC code
State license (1)
California #G21759
Medicaid
CA #GR0054990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659306371. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
198
Distinct HCPCS
2
Medicare allowed
$28,035
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 109 37 $166
99214 Established patient office or other outpatient visit, 30-39 minutes 89 37 $112

In context: peer comparison

Among 13 peers in Stanford Clinical Neurophysiology Physician, average services per provider: 99. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
506
Patients
45
Total drug cost
$425,730
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 146 32 $4,173
Gocovri (Amantadine Hcl) Brand 59 0 $176,923
Rytary (Carbidopa/Levodopa) Brand 59 0 $82,104
Rasagiline Mesylate Generic 48 13 $16,300
Rivastigmine Generic 35 0 $7,780
Carbidopa-Levodopa ER (Carbidopa/Levodopa) Brand 27 0 $1,043
Nuplazid (Pimavanserin Tartrate) Brand 26 0 $128,471
Escitalopram Oxalate Generic 25 0 $599
Fludrocortisone Acetate Generic 23 0 $1,140
Glycopyrrolate Generic 12 0 $961

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Langston's medical specialty?
Dr. James Langston practices Clinical Neurophysiology Physician in Stanford, CA.
Where does Dr. James Langston practice?
Dr. James Langston practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. James Langston's NPI?
Dr. James Langston's National Provider Identifier (NPI) is 1659306371, issued by NPPES.
Does Dr. James Langston accept Medicare assignment?
Yes. Dr. James Langston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Langston commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.