Doctor profile · Federal record

Dr. Thomas Kowalski, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Phila, PA

  • NPI 1952360596
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 Chestnut St
Phila, PA 191073612
(215) 955-8900
fax (215) 955-5245
Mailing address
132 S 10Th St, 480 Main Building
Phila, PA 191075244

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
October 28, 2024
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Pennsylvania #MD044010L
Medicaid
PA #0012988990005

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952360596. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
446
Distinct HCPCS
10
Medicare allowed
$83,687
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 78 45 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 52 51 $102
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 48 $136
43274 Insertion of stent into pancreatic or bile duct using a flexible endoscope 46 36 $396
43242 Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 35 34 $227
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 35 31 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 34 33 $102
43276 Replacement of stent in pancreatic or bile duct using a flexible endoscope 28 21 $453
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $140
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $140

In context: peer comparison

Among 12 peers in Phila Gastroenterology Physician, average services per provider: 57. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,137
Transactions
15
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 12 $2,865.99
Medtronic, INC. 1 $209.30
Fujifilm Healthcare Americas Corporation 1 $39.25
Olympus America INC. 1 $22.30

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$2,250
Food and Beverage
$847
Travel and Lodging
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
26
Total drug cost
$112,586
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 36 0 $110,412
Gabapentin Generic 27 12 $383
Tramadol Hcl Generic 17 0 $194
Ciprofloxacin Hcl Generic 15 14 $63
Azathioprine Generic 14 0 $1,533

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Kowalski's medical specialty?
Dr. Thomas Kowalski practices Gastroenterology Physician in Phila, PA.
Where does Dr. Thomas Kowalski practice?
Dr. Thomas Kowalski practices at 1101 Chestnut St, Phila, PA 191073612. Office phone: 2159558900.
What is Dr. Thomas Kowalski's NPI?
Dr. Thomas Kowalski's National Provider Identifier (NPI) is 1952360596, issued by NPPES.
Does Dr. Thomas Kowalski accept Medicare assignment?
Yes. Dr. Thomas Kowalski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Kowalski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.