Doctor profile · Federal record

Dr. Stephen Copen, M.D.

Internal Medicine Physician (CMS: Nephrology) · Nephrology Physician · Los Angeles, CA

  • NPI 1447264981
  • Accepts Medicare
  • MIPS 5.1 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8631 W 3Rd St # 1140E
Los Angeles, CA 900485901
(310) 854-3390
fax (310) 854-3392
Mailing address
156 S Reeves Dr
Beverly Hills, CA 902123005

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G79517
Medicaid
CA #00G795170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447264981. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,679
Distinct HCPCS
10
Medicare allowed
$241,712
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 579 181 $192
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 536 86 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 196 55 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 135 81 $182
99214 Established patient office or other outpatient visit, 30-39 minutes 93 62 $139
99291 Critical care, first 30-74 minutes 82 12 $222
99212 Established patient office or other outpatient visit, 10-19 minutes 20 17 $62
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 13 12 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 13 12 $93
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $237

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,315
Patients
407
Total drug cost
$90,569
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 318 106 $7,015
Amlodipine Besylate Generic 204 62 $3,171
Valsartan Generic 123 39 $7,290
Telmisartan Generic 120 35 $6,971
Metoprolol Succinate Generic 83 26 $2,172
Metformin Hcl Generic 67 22 $1,430
Rosuvastatin Calcium Generic 64 24 $2,817
Levothyroxine Sodium Generic 51 18 $1,131
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 0 $806
Tamsulosin Hcl Generic 46 18 $1,853

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Copen's medical specialty?
Dr. Stephen Copen practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Stephen Copen practice?
Dr. Stephen Copen practices at 8631 W 3Rd St # 1140E, Los Angeles, CA 900485901. Office phone: 3108543390.
What is Dr. Stephen Copen's NPI?
Dr. Stephen Copen's National Provider Identifier (NPI) is 1447264981, issued by NPPES.
Does Dr. Stephen Copen accept Medicare assignment?
Yes. Dr. Stephen Copen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Copen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.