What is Stephen Chen's specialty?

Stephen Chen (NPI 1114941382) is a Medicare-billing provider whose primary specialty is Geriatric Psychiatry in Los Angeles, CA.

Where does Stephen Chen practice?

Stephen Chen practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1114941382.

How much does Medicare pay Stephen Chen?

Stephen Chen (NPI 1114941382) received approximately $61K in total Medicare Part B payments, serving 161 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1114941382

Stephen ChenM.D.

Geriatric PsychiatryLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

235

Unique beneficiaries

—

Total services

698

Distinct HCPCS

Medicare payment

$58K

Peer benchmark

Total Medicare services vs. 15 Geriatric Psychiatry providers in CA — above median (cohort median 534).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$987

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Trazodone Hcl19 claims

Gabapentin13 claims

Quetiapine Fumarate13 claims

Duloxetine Hcl12 claims

Olanzapine11 claims

QUALITY · MIPS · 2024

Final MIPS score

88.3

Quality

76.0

Cost

56.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.56%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050112

Hospital

REFERRAL NETWORK

Where Stephen Chen's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 14 inbound referrers · 25 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Peifeng Hu Geriatric Medicine · Los Angeles, CA	32	531
Mariya Svilik Anesthesiology · Los Angeles, CA	32	391
Laurie Casaus Psychiatry · Los Angeles, CA	31	255
John Miller Anesthesiology · Los Angeles, CA	27	343
REGENTS OF THE UNIV OF CALIFORNIA	26	96
Zaldy Tan Geriatric Medicine · Los Angeles, CA	24	290
Shervin Shamtoub Podiatry · Los Angeles, CA	19	35
Brandon Koretz Geriatric Medicine · Los Angeles, CA	18	265
Michael Boucher Psychiatry · Los Angeles, CA	16	56
Chinh Mai Anesthesiology · Los Angeles, CA	15	75
Jennifer Kruse Psychiatry · Los Angeles, CA	15	79
Alison Moore Geriatric Medicine · San Diego, CA	14	106

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
REGENTS UNIV OF CALIF LOS ANGELES	103	629
REGENTS UNIV OF CALIF LOS ANGELES	49	230
Randall Espinoza Geriatric Psychiatry · Seattle, WA	46	1,970
Peifeng Hu Geriatric Medicine · Los Angeles, CA	39	365
John Miller Anesthesiology · Los Angeles, CA	38	789
David Merrill Geriatric Psychiatry · Los Angeles, CA	34	740
Mariya Svilik Anesthesiology · Los Angeles, CA	33	453
Jason Hirsch Anesthesiology · Los Angeles, CA	33	541
Holly Middlekauff Cardiology · Los Angeles, CA	28	148
NPI 1902060072	26	188
Aaron Kaufman Geriatric Psychiatry · Los Angeles, CA	26	755
Elizabeth Whiteman Geriatric Medicine · Beverly Hills, CA	25	455

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events