Doctor profile · Federal record

Dr. John Lopez, MD

Emergency Medicine Physician (CMS: Internal Medicine) · New Brunswick, NJ

  • NPI 1255430179
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
254 Easton Ave, St. Peter's University Hospital
New Brunswick, NJ 089011766
(732) 937-6009
Mailing address
50 Bayberry Dr
Holmdel, NJ 077331040

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 14, 2009
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
New Jersey #25MA06849400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255430179. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
5
Medicare allowed
$13,494
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 34 29 $140
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 22 20 $97
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $182
81003 Automated urinalysis test 13 13 $2

In context: peer comparison

Among 28 peers in this city , average services per provider: 83. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
59
Total drug cost
$634
Drug Type Claims Patients Total cost
Prednisone Generic 32 32 $73
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 16 $507
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 11 $53

Frequently asked questions

Auto-generated from federal data
What is Dr. John Lopez's medical specialty?
Dr. John Lopez practices Emergency Medicine Physician in New Brunswick, NJ.
Where does Dr. John Lopez practice?
Dr. John Lopez practices at 254 Easton Ave, New Brunswick, NJ 089011766. Office phone: 7329376009.
What is Dr. John Lopez's NPI?
Dr. John Lopez's National Provider Identifier (NPI) is 1255430179, issued by NPPES.
Does Dr. John Lopez accept Medicare assignment?
Yes. Dr. John Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Lopez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.