Doctor profile · Federal record

Dr. David Kowalczyk, M.D., M.B.A.

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Chicago, IL

  • NPI 1437599842
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1855 W Taylor St # Mc648
Chicago, IL 606127242
(312) 255-8812
fax (312) 255-8904
Mailing address
3449 N Marshfield Ave Unit 1
Chicago, IL 606571213

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
July 9, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (2)
Illinois #036.147526 · Mississippi #T-2685

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437599842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,340
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $167

In context: peer comparison

Among 38 peers in Chicago Otolaryngology Physician, average services per provider: 71. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$514
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales INC. 7 $424.20
Abbvie INC. 3 $66.62
PolyNovo North America LLC 1 $22.75

By nature of payment

Food and Beverage
$514

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
52
Patients
43
Total drug cost
$361
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 31 25 $285
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 18 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. David Kowalczyk's medical specialty?
Dr. David Kowalczyk practices Otolaryngology Physician in Chicago, IL.
Where does Dr. David Kowalczyk practice?
Dr. David Kowalczyk practices at 1855 W Taylor St # Mc648, Chicago, IL 606127242. Office phone: 3122558812.
What is Dr. David Kowalczyk's NPI?
Dr. David Kowalczyk's National Provider Identifier (NPI) is 1437599842, issued by NPPES.
Does Dr. David Kowalczyk accept Medicare assignment?
Yes. Dr. David Kowalczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Kowalczyk commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.