NPPES file of Aug 9, 2026

Gary Scott Karlin, MD

Urology Physician · Lawrenceville, NJ

Gary Scott Karlin, MD is a urology physician with a practice address in Lawrenceville, New Jersey, and NPI 1457334575, issued on Nov 22, 2005. Check the license (New Jersey 25MA05468300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457334575
Name
Gary Scott Karlin
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License number
25MA05468300 NJ
Self-reported in NPPES; status is on the state search
Practice location
2 Princess RD Ste 2J, Lawrenceville, NJ 08648
Phone
(609) 895-1991
Enumerated
Nov 22, 2005
Record last updated
Mar 7, 2022
Fax
(609) 895-6996
Medicaid ID
0678503 NJ
Medicare enrollment
Enrolled (PECOS I20100325000056); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Princess RD Ste 2J

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deep Trivedi, MDUrology Physician1750394771

Verify Gary Scott Karlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA05468300
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average urology physician in 2024

3,096 Medicare Part D claims for 745 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 62 claims were for opioids.

  1. Gary Karlin3,096
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl738 claims
  2. Finasteride334 claims
  3. Myrbetriq239 claims
  4. Sulfamethoxazole-Trimethoprim191 claims
  5. Gemtesa132 claims
  6. Silodosin109 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Summit Medical Group PABerkeley Heights, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gary Scott Karlin among 443 urology physician records in New Jersey

Gary Scott Karlin, MD is one of 443 urology physician records with a practice address in New Jersey. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1984 · median 1998 among the 298 with a school on file
  • Record last updated2022 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 urology physician records list a practice address in Lawrenceville

They are 9 of the 693 NPPES records with a practice address in Lawrenceville, and 443 urology physician records in New Jersey.

The 8 urology physician records with the nearest ZIP codes

  1. Alex Arnouk, M.D.Lawrenceville, NJ 086481609295666
  2. Jarad Fingerman, DOLawrenceville, NJ 086481376529966
  3. Russell Freid, MDLawrenceville, NJ 086481033195391
  4. Ravi Rajan, M.D.Lawrenceville, NJ 086481831135078
  5. Masoud Rezvan, MDLawrenceville, NJ 086481770516585
  6. Christopher Schaefer, D.O.Lawrenceville, NJ 086481679780407
  7. Deep Trivedi, MDLawrenceville, NJ 086481750394771
  8. Akira Yamamoto, MDLawrenceville, NJ 086481669769386

Common questions

What is Gary Scott Karlin, MD's NPI number?

Gary Scott Karlin, MD's National Provider Identifier (NPI) is 1457334575, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary Scott Karlin, MD located?

The NPPES record lists a practice address at 2 Princess RD Ste 2J, Lawrenceville, NJ, 08648. Phone: (609) 895-1991. Providers update this record themselves, so call before visiting.

How can I verify Gary Scott Karlin, MD's license?

NPPES lists New Jersey license number 25MA05468300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gary Scott Karlin, MD prescribe under Medicare Part D?

In 2024, Gary Scott Karlin, MD had 3,096 Medicare Part D claims for 745 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.