Doctor profile · Federal record

Dr. Gary Karlin, MD

Urology Physician (CMS: Urology) · Lawrenceville, NJ

  • NPI 1457334575
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 Princess RD Ste 2J
Lawrenceville, NJ 086482320
(609) 895-1991
fax (609) 895-6996
Mailing address
1 Diamond Hill RD
Berkeley Heights, NJ 079222104

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 7, 2022
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
New Jersey #25MA05468300
Medicaid
NJ #0678503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457334575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43,745
Distinct HCPCS
10
Medicare allowed
$370,505
HCPCS Description Services Patients Avg allowed
J1071 Injection, testosterone cypionate, 1 mg 34,650 13 $0
J0897 Injection, denosumab, 1 mg 5,220 14 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 811 489 $96
81002 Urinalysis, manual test 800 453 $3
99214 Established patient office or other outpatient visit, 30-39 minutes 346 187 $136
51798 Ultrasound measurement of bladder capacity after voiding 244 149 $12
87086 Bacterial colony count, urine 195 125 $8
87088 Bacterial urine culture 184 121 $8
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 175 21 $163
96372 Injection of drug or substance under skin or into muscle 156 32 $14

In context: peer comparison

Among 4 peers in Lawrenceville Urology Physician, average services per provider: 474. This provider delivers 92× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,187
Patients
847
Total drug cost
$1,423,094
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 683 222 $13,923
Finasteride Generic 253 82 $4,495
Myrbetriq (Mirabegron) Brand 238 61 $212,123
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 164 139 $557
Solifenacin Succinate Generic 105 34 $9,120
Desmopressin Acetate Generic 99 31 $11,869
Silodosin Generic 94 27 $11,513
Gemtesa (Vibegron) Brand 90 31 $85,898
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 86 62 $1,552
Fesoterodine Fumarate ER (Fesoterodine Fumarate) Brand 79 30 $13,590

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Karlin's medical specialty?
Dr. Gary Karlin practices Urology Physician in Lawrenceville, NJ.
Where does Dr. Gary Karlin practice?
Dr. Gary Karlin practices at 2 Princess RD Ste 2J, Lawrenceville, NJ 086482320. Office phone: 6098951991.
What is Dr. Gary Karlin's NPI?
Dr. Gary Karlin's National Provider Identifier (NPI) is 1457334575, issued by NPPES.
Does Dr. Gary Karlin accept Medicare assignment?
Yes. Dr. Gary Karlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Karlin commonly perform?
Top Medicare-reported procedures in 2023: Injection, testosterone cypionate, 1 mg (HCPCS J1071); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.