Doctor profile · Federal record

Dr. Jeffrey Siegel, MD

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

  • NPI 1366590234
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6041 Cadillac Ave
Los Angeles, CA 900341702
(323) 857-2000

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
November 22, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G80444

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366590234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$3,196
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 23 12 $139

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,598
Patients
1,610
Total drug cost
$65,957
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 766 262 $11,079
Amlodipine Besylate Generic 643 225 $7,525
Lisinopril Generic 369 134 $4,475
Rosuvastatin Calcium Generic 315 114 $4,040
Simvastatin Generic 275 98 $3,104
Levothyroxine Sodium Generic 274 94 $6,329
Losartan Potassium Generic 271 95 $3,394
Atenolol Generic 260 83 $3,089
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 260 79 $3,105
Metformin Hcl Generic 251 91 $3,161

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Siegel's medical specialty?
Dr. Jeffrey Siegel practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Jeffrey Siegel practice?
Dr. Jeffrey Siegel practices at 6041 Cadillac Ave, Los Angeles, CA 900341702. Office phone: 3238572000.
What is Dr. Jeffrey Siegel's NPI?
Dr. Jeffrey Siegel's National Provider Identifier (NPI) is 1366590234, issued by NPPES.
Does Dr. Jeffrey Siegel accept Medicare assignment?
Yes. Dr. Jeffrey Siegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Siegel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.