Gary Karlin, MD
NPI 1457334575 · Urology Physician · Lawrenceville, NJ
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Karlin, MD is a Urology Physician provider in Lawrenceville, NJ (NPI 1457334575).
Provider details
- NPI number
- 1457334575
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05468300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,833 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 823 | $95 |
| Automated Urinalysis Test81003 | 674 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 335 | $134 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 312 | $17 |
| Urinalysis, Manual Test81002 | 286 | $3 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 738 | 225 |
| Finasteride | 334 | 97 |
| Mirabegronbrand: Myrbetriq | 239 | 53 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 191 | 150 |
| Vibegronbrand: Gemtesa | 132 | 39 |
| Silodosin | 109 | 32 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-22
- Last updated
- 2022-03-07
- Certified
- 2022-03-07
Frequently asked questions
- What is Gary Karlin's NPI number?
- Gary Karlin's National Provider Identifier (NPI) is 1457334575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Karlin's specialty?
- Gary Karlin is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Karlin located?
- Gary Karlin's practice location on file with NPPES is 2 Princess Rd Ste 2j, Lawrenceville, NJ 08648-2320.
- What is Gary Karlin's phone number?
- The practice phone number listed in the NPPES registry for Gary Karlin is (609) 895-1991.
- Does Gary Karlin accept Medicare?
- Gary Karlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Karlin's NPI active?
- Yes — Gary Karlin's NPI (1457334575) is active in the NPPES registry as of the last update on 2022-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.