Doctor profile · Federal record

Dr. Thaddeus Grabowy, MD

Internal Medicine Physician (CMS: Internal Medicine) · Gastroenterology Physician · Tinton Falls, NJ

  • NPI 1679570006
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 Hartford Dr
Tinton Falls, NJ 077014929
(732) 741-3600
fax (732) 741-6079
Mailing address
Po Box 249
Red Bank, NJ 077010249

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
December 14, 2017
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MA05933800
Medicaid
NJ #5509106

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679570006. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,252
Distinct HCPCS
10
Medicare allowed
$202,280
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 915 571 $84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 195 71 $78
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 159 21 $52
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 156 21 $56
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 136 136 $69
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 104 102 $258
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 81 79 $101
45380 Biopsy of large bowel using a flexible endoscope 71 70 $109
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 61 60 $15
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 23 $112

In context: peer comparison

Among 9 peers in Tinton Falls Internal Medicine Physician, average services per provider: 125. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$466
Transactions
28
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 9 $142.36
Madrigal Pharmaceuticals 4 $65.92
Gilead Sciences, INC. 4 $62.83
Genzyme Corporation 2 $38.64
Pfizer INC. 2 $35.22
Novo Nordisk INC 2 $35.06
Qol Medical, LLC 2 $33.92
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $30.43
Ferring Pharmaceuticals INC. 1 $21.32

By nature of payment

Food and Beverage
$466

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,418
Patients
644
Total drug cost
$33,597
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 359 104 $6,009
Atorvastatin Calcium Generic 299 78 $3,494
Amlodipine Besylate Generic 221 54 $1,804
Rosuvastatin Calcium Generic 188 53 $3,574
Alprazolam Generic 184 42 $1,316
Levothyroxine Sodium Generic 158 42 $2,624
Metoprolol Succinate Generic 155 52 $2,907
Lisinopril Generic 152 37 $1,608
Metformin Hcl Generic 119 33 $1,325
Hydrochlorothiazide Generic 115 28 $794

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thaddeus Grabowy's medical specialty?
Dr. Thaddeus Grabowy practices Internal Medicine Physician in Tinton Falls, NJ.
Where does Dr. Thaddeus Grabowy practice?
Dr. Thaddeus Grabowy practices at 4 Hartford Dr, Tinton Falls, NJ 077014929. Office phone: 7327413600.
What is Dr. Thaddeus Grabowy's NPI?
Dr. Thaddeus Grabowy's National Provider Identifier (NPI) is 1679570006, issued by NPPES.
Does Dr. Thaddeus Grabowy accept Medicare assignment?
Yes. Dr. Thaddeus Grabowy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thaddeus Grabowy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.