Physician

James William Langston, MD

According to 2025 Medicare claims, James Langston, MD (NPI: 1659306371) practices neuropsychiatry in the San Jose-Sunnyvale-Santa Clara, CA market, with the plurality of this provider's patient population coming from Santa Clara, CA. This provider's primary affiliated billing organization is STANFORD HEALTH CARE (NPI: 1437292927; TIN: 770465765) and primary practice location at 94304-1416.

Langston's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 44 traditional Medicare patients, billed 183 HCPCS/CPT codes, and received $15,409 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 633 prescription claims across 41 beneficiaries totaling $432,246 in drug costs, led by Gocovri (Amantadine Hcl). DME data shows 44 claims. No Open Payments records. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved from a higher plateau to a lower plateau, from $40,220 to $15,409. In contrast, Part D prescription costs have risen steadily, from $172,305 to $432,246. For DME billing, reported payments rose steadily, from $417 to $21,404.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	74	355	$40,220
2016	97	377	$48,440
2017	125	425	$49,570
2018	N/R	N/R	N/R
2019	42	174	$14,764
2020	43	164	$11,220
2021	45	198	$21,007
2022	46	201	$21,396
2023	43	202	$21,538
2024	44	183	$15,409

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	80	817	$172,305
2016	87	1,037	$240,172
2017	99	1,302	$479,687
2018	62	313	$155,783
2019	33	346	$250,025
2020	40	582	$432,471
2021	43	587	$314,655
2022	44	622	$460,633
2023	41	609	$448,345
2024	41	633	$432,246

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	N/R	11	$417
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	26	$62,725
2022	N/R	25	$68,749
2023	N/R	34	$100,369
2024	N/R	44	$130,919

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	89	$89
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	42	76	$66

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Gocovri	Amantadine Hcl	54	1,860	$185,571
Nuplazid	Pimavanserin Tartrate	27	810	$129,881
Rytary	Carbidopa/Levodopa	47	2,867	$71,807
Rasagiline Mesylate	Rasagiline Mesylate	41	3,510	$14,081
Carbidopa-Levodopa	Carbidopa/Levodopa	182	12,282	$4,429

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
J7340	Carbidopa 5 mg/levodopa 20 mg enteral suspension, 100 ml	N	N/R	22	$111,120
A4222	Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)	N	N/R	22	$19,799

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for James William Langston, MD?

Tedicare shows public-source Medicare data for James William Langston, MD (NPI 1659306371), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does James William Langston, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to James William Langston, MD?

James William Langston, MD is linked to STANFORD HEALTH CARE (billing NPI 1437292927) in the available physician profile data.

Does James William Langston, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.