What is Stephen Copen's specialty?

Stephen Copen (NPI 1447264981) is a Medicare-billing provider whose primary specialty is Nephrology in Los Angeles, CA.

Where does Stephen Copen practice?

Stephen Copen practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1447264981.

How much does Medicare pay Stephen Copen?

Stephen Copen (NPI 1447264981) received approximately $194K in total Medicare Part B payments, serving 284 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1447264981

Stephen CopenM.D.

NephrologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

610

Unique beneficiaries

—

Total services

1,885

Distinct HCPCS

Medicare payment

$176K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

2,207

Beneficiaries

—

Total drug cost

$212K

Distinct drugs

Brand share

16.7%

Top prescribed drugs

Atorvastatin Calcium342 claims

Amlodipine Besylate180 claims

Valsartan106 claims

Telmisartan102 claims

Rosuvastatin Calcium88 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

64.7

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Stephen Copen'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 · 43 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	114	587
Elton Tourje Diagnostic Radiology · Los Angeles, CA	27	100
Jason Aaronson Diagnostic Radiology · Los Angeles, CA	25	93
Michael Witkosky Diagnostic Radiology · Sacramento, CA	19	103
Willis Wagner Vascular Surgery · Los Angeles, CA	17	63
AFFINITY HOME HEALTH, INC.	17	82
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	17	56
NPI 1255335535	17	275
Katherine Haker Diagnostic Radiology · Los Angeles, CA	17	70
Dayle Robson Diagnostic Radiology · Los Angeles, CA	16	54
Alessandro Dagnolo Diagnostic Radiology · Los Angeles, CA	16	31
Thomas Learch Diagnostic Radiology · West Hollywood, CA	13	41

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CEDARS-SINAI MEDICAL CENTER	180	1,684
Unilab Corporation Clinical Laboratory · West Hills, CA	52	246
Richard Sukov Diagnostic Radiology · Los Angeles, CA	30	108
Navid Mehrpoo Diagnostic Radiology · West Hollywood, CA	29	115
RAO, RAJEEV	26	84
Mamata Chithriki Diagnostic Radiology · Los Angeles, CA	25	107
Elton Tourje Diagnostic Radiology · Los Angeles, CA	21	61
Ravi Prasad Diagnostic Radiology · West Hollywood, CA	20	81
Willis Wagner Vascular Surgery · Los Angeles, CA	19	84
DVA RENAL HEALTHCARE INC	19	511
Jason Aaronson Diagnostic Radiology · Los Angeles, CA	18	67
Alessandro Dagnolo Diagnostic Radiology · Los Angeles, CA	18	44

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