Doctor profile · Federal record

Dr. David Twardzik, M.D.

Dermatology Physician (CMS: Dermatology) · Quakertown, PA

  • NPI 1457422925
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1021 Park Ave, Suite 30
Quakertown, PA 189511573
(215) 538-2500

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Pennsylvania #MD072426L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457422925. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,424
Distinct HCPCS
10
Medicare allowed
$550,592
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 2,135 451 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 1,590 823 $130
17000 Destruction of precancer skin growth, 1 growth 1,215 683 $44
17110 Destruction of skin growth, 1-14 growths 1,072 628 $115
11102 Biopsy of related skin growth, first growth 534 421 $78
99213 Established patient office or other outpatient visit, 20-29 minutes 328 244 $92
11103 Biopsy of related skin growth, each additional growth 132 113 $52
17004 Destruction of precancer skin growth, 15 or more growths 78 60 $176
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 74 67 $307
99203 New patient office or other outpatient visit, 30-44 minutes 63 63 $114

In context: peer comparison

Among 1 peers in this city , average services per provider: 436. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,343
Transactions
83
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 29 $478.85
ABBVIE INC. 19 $219.73
Incyte Corporation 10 $153.46
SUN PHARMACEUTICAL INDUSTRIES INC. 6 $114.39
Regeneron Healthcare Solutions, Inc. 4 $107.22
Lilly USA, LLC 5 $96.97
E.R. Squibb & Sons, L.L.C. 5 $87.42
Novartis Pharmaceuticals Corporation 2 $30.28
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $20.15
Verrica Pharmaceuticals Inc. 1 $19.38
Kyowa Kirin, Inc. 1 $15.53

By nature of payment

Food and Beverage
$1,193
Education
$150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
253
Patients
103
Total drug cost
$10,803
Drug Type Claims Patients Total cost
Clobetasol Propionate Generic 135 71 $7,272
Ciclopirox (Ciclopirox Olamine) Brand 70 32 $1,390
Hydrocortisone Valerate Generic 22 0 $570
Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) Brand 15 0 $1,375
Ketoconazole Generic 11 0 $197

Frequently asked questions

Auto-generated from federal data
What is Dr. David Twardzik's medical specialty?
Dr. David Twardzik practices Dermatology Physician in Quakertown, PA.
Where does Dr. David Twardzik practice?
Dr. David Twardzik practices at 1021 Park Ave, Quakertown, PA 189511573. Office phone: 2155382500.
What is Dr. David Twardzik's NPI?
Dr. David Twardzik's National Provider Identifier (NPI) is 1457422925, issued by NPPES.
Does Dr. David Twardzik accept Medicare assignment?
Yes. Dr. David Twardzik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Twardzik commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99214); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.