Doctor profile · Federal record

Dr. David Klug, MD

Gastroenterology Physician (CMS: Gastroenterology) · Brooklyn, NY

  • NPI 1548334352
  • Accepts Medicare
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2020 E 53Rd St Su Bb, Dr David Klug
Brooklyn, NY 11234
(718) 253-1313
fax (718) 951-8949

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #NY128913
Medicaid
NY #00315742

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548334352. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
723
Distinct HCPCS
10
Medicare allowed
$103,054
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 437 100 $148
99215 Established patient office or other outpatient visit, 40-54 minutes 75 58 $207
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 58 39 $17
99213 Established patient office or other outpatient visit, 20-29 minutes 53 35 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $76
94010 Test to measure expiratory airflow and volume 23 20 $32
45378 Diagnostic exam of large bowel using a flexible endoscope 17 17 $411
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $100
45378 Diagnostic exam of large bowel using a flexible endoscope 11 11 $208
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $257

In context: peer comparison

Among 44 peers in Brooklyn Gastroenterology Physician, average services per provider: 119. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
537
Patients
141
Total drug cost
$10,359
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 71 26 $1,140
Omeprazole Generic 62 20 $1,054
Metoprolol Succinate Generic 49 17 $1,138
Amlodipine Besylate Generic 45 14 $344
Rosuvastatin Calcium Generic 40 15 $892
Losartan Potassium Generic 37 14 $590
Levothyroxine Sodium Generic 35 11 $568
Simvastatin Generic 30 0 $338
Diazepam Generic 29 0 $391
Esomeprazole Magnesium Generic 25 0 $1,412

Frequently asked questions

Auto-generated from federal data
What is Dr. David Klug's medical specialty?
Dr. David Klug practices Gastroenterology Physician in Brooklyn, NY.
Where does Dr. David Klug practice?
Dr. David Klug practices at 2020 E 53Rd St Su Bb, Brooklyn, NY 11234. Office phone: 7182531313.
What is Dr. David Klug's NPI?
Dr. David Klug's National Provider Identifier (NPI) is 1548334352, issued by NPPES.
Does Dr. David Klug accept Medicare assignment?
Yes. Dr. David Klug accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Klug commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.