Doctor profile · Federal record

Dr. Hector Pun, MD

Gastroenterology Physician (CMS: Internal Medicine) · Waterbury, CT

  • NPI 1447304944
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
134 Grandview Ave, Suite 202
Waterbury, CT 067082507
(203) 756-7788
fax (203) 754-1254

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
January 20, 2010
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #024176
Medicaid
CT #1241769

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447304944. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,499
Distinct HCPCS
10
Medicare allowed
$135,785
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 377 215 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 191 191 $136
81002 Urinalysis, manual test 145 138 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 144 108 $95
G0444 Annual depression screening, 5 to 15 minutes 122 122 $20
G0008 Administration of influenza virus vaccine 86 84 $33
90662 Influenza vaccine split virus, preservative free 82 81 $72
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 50 25 $78
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous 49 49 $18
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 45 21 $111

In context: peer comparison

Among 6 peers in Waterbury Gastroenterology Physician, average services per provider: 50. This provider delivers 30× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,123
Transactions
125
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 25 $451.87
Lilly USA, LLC 18 $380.65
Bayer Healthcare Pharmaceuticals INC. 10 $379.31
AstraZeneca Pharmaceuticals Lp 13 $349.01
Pfizer INC. 16 $274.33
Boehringer Ingelheim Pharmaceuticals, INC. 9 $201.50
Novo Nordisk INC 7 $134.07
Amgen INC. 1 $128.82
Phathom Pharmaceuticals, INC. 5 $112.36
Abbvie INC. 5 $108.82
Astellas Pharma US INC 4 $97.86
E.R. Squibb & Sons, L.L.C. 3 $89.00
Merck Sharp & Dohme LLC 3 $78.56
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 4 $65.89
Lundbeck LLC 2 $58.62

By nature of payment

Food and Beverage
$3,079
Education
$45

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,476
Patients
876
Total drug cost
$123,893
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 419 108 $5,394
Rosuvastatin Calcium Generic 373 110 $6,054
Amlodipine Besylate Generic 339 81 $3,142
Levothyroxine Sodium Generic 313 83 $5,075
Lisinopril Generic 298 85 $2,855
Losartan Potassium Generic 221 58 $2,952
Eliquis (Apixaban) Brand 198 20 $85,485
Furosemide Generic 196 43 $1,170
Escitalopram Oxalate Generic 187 38 $2,803
Omeprazole Generic 174 54 $2,450

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hector Pun's medical specialty?
Dr. Hector Pun practices Gastroenterology Physician in Waterbury, CT.
Where does Dr. Hector Pun practice?
Dr. Hector Pun practices at 134 Grandview Ave, Waterbury, CT 067082507. Office phone: 2037567788.
What is Dr. Hector Pun's NPI?
Dr. Hector Pun's National Provider Identifier (NPI) is 1447304944, issued by NPPES.
Does Dr. Hector Pun accept Medicare assignment?
Yes. Dr. Hector Pun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hector Pun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.