Doctor profile · Federal record

Dr. Mark Karasin, DNP, AGACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Lake Hopatcong, NJ

  • NPI 1831617307
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 Diamond Dr
Lake Hopatcong, NJ 078492204
(908) 414-0110
fax (908) 414-0110

Credentials & registration

NPPES · NUCC
NPI registered
September 2017 — 9 yrs on file
Profile last updated
April 22, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State licenses (2)
New Jersey #26NJ00754400 · New Jersey #26NJ0075400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831617307. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
2
Medicare allowed
$46,483
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 241 126 $191
36620 Insertion of artery tube for blood sampling or infusion through skin 13 11 $37

In context: peer comparison

Among 1 peers in this city , average services per provider: 127. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$207
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
La Jolla Pharmaceutical Company 1 $122.72
ABIOMED 3 $84.33

By nature of payment

Food and Beverage
$207

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Karasin's medical specialty?
Dr. Mark Karasin practices Acute Care Nurse Practitioner in Lake Hopatcong, NJ.
Where does Dr. Mark Karasin practice?
Dr. Mark Karasin practices at 14 Diamond Dr, Lake Hopatcong, NJ 078492204. Office phone: 9084140110.
What is Dr. Mark Karasin's NPI?
Dr. Mark Karasin's National Provider Identifier (NPI) is 1831617307, issued by NPPES.
Does Dr. Mark Karasin accept Medicare assignment?
Yes. Dr. Mark Karasin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Karasin commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.