Doctor profile · Federal record

Dr. Joyce Lazarus, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Specialist · Norco, CA

  • NPI 1831143056
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1901 Town and Country Dr Ste 104
Norco, CA 928603611
(951) 737-8141
fax (657) 215-4553
Additional location
12523 Limonite Ave Ste 400
Eastvale, CA 917523666
(951) 808-6300
Mailing address
940 N Haven Ave Ste 180-25
Ontario, CA 917644970

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 1, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A87020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831143056. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
322
Distinct HCPCS
7
Medicare allowed
$34,560
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 118 59 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 99 53 $92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 37 37 $133
G0442 Annual alcohol misuse screening, 5 to 15 minutes 18 18 $16
99215 Established patient office or other outpatient visit, 40-54 minutes 17 15 $185
G0444 Annual depression screening, 5 to 15 minutes 17 17 $19
99497 Advance care planning, first 30 minutes 16 16 $84

In context: peer comparison

Among 2 peers in Norco Internal Medicine Physician, average services per provider: 63. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$363
Transactions
19
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 6 $110.39
AstraZeneca Pharmaceuticals Lp 3 $48.71
Novo Nordisk INC 2 $45.62
Pfizer INC. 2 $42.59
Astellas Pharma US INC 2 $37.27
Bayer Healthcare Pharmaceuticals INC. 2 $30.69
Hologic Sales and Service, LLC 1 $24.98
Sumitomo Pharma America, INC. 1 $23.20

By nature of payment

Food and Beverage
$363

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,216
Patients
412
Total drug cost
$59,981
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 232 77 $4,238
Amlodipine Besylate Generic 134 42 $844
Lisinopril Generic 119 31 $879
Losartan Potassium Generic 110 35 $1,828
Fluticasone Propionate Generic 89 46 $1,236
Levothyroxine Sodium Generic 88 26 $1,905
Hydrochlorothiazide Generic 74 26 $424
Metoprolol Tartrate Generic 61 19 $605
Escitalopram Oxalate Generic 59 21 $689
Metformin Hcl Generic 58 18 $610

Frequently asked questions

Auto-generated from federal data
What is Dr. Joyce Lazarus's medical specialty?
Dr. Joyce Lazarus practices Internal Medicine Physician in Norco, CA.
Where does Dr. Joyce Lazarus practice?
Dr. Joyce Lazarus practices at 1901 Town and Country Dr Ste 104, Norco, CA 928603611. Office phone: 9517378141.
What is Dr. Joyce Lazarus's NPI?
Dr. Joyce Lazarus's National Provider Identifier (NPI) is 1831143056, issued by NPPES.
Does Dr. Joyce Lazarus accept Medicare assignment?
Yes. Dr. Joyce Lazarus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joyce Lazarus commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.