Doctor profile · Federal record

Dr. Mark Kwarciak, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Perth Amboy, NJ

  • NPI 1477052751
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
530 New Brunswick Ave
Perth Amboy, NJ 088613654
(732) 324-5080

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
January 13, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Arizona #65268 · Florida #ME162581

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477052751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
692
Distinct HCPCS
6
Medicare allowed
$68,536
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 328 119 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 218 110 $118
99239 Hospital discharge day management, more than 30 minutes 92 90 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $170
99238 Hospital discharge day management, 30 minutes or less 15 15 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $128

In context: peer comparison

Among 1 peers in Perth Amboy Hospitalist Physician, average services per provider: 115. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
83
Total drug cost
$1,143
Drug Type Claims Patients Total cost
Cefdinir Generic 29 29 $397
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 16 $417
Furosemide Generic 14 13 $56
Atorvastatin Calcium Generic 13 13 $89
Metoprolol Succinate Generic 12 12 $185

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Kwarciak's medical specialty?
Dr. Mark Kwarciak practices Hospitalist Physician in Perth Amboy, NJ.
Where does Dr. Mark Kwarciak practice?
Dr. Mark Kwarciak practices at 530 New Brunswick Ave, Perth Amboy, NJ 088613654. Office phone: 7323245080.
What is Dr. Mark Kwarciak's NPI?
Dr. Mark Kwarciak's National Provider Identifier (NPI) is 1477052751, issued by NPPES.
Does Dr. Mark Kwarciak accept Medicare assignment?
Yes. Dr. Mark Kwarciak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Kwarciak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.