Doctor profile · Federal record

Dr. Chi Tang, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Ansonia, CT

  • NPI 1013263870
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135 Division St Ste 1
Ansonia, CT 064012135
(203) 735-3500
fax (203) 735-0505
Mailing address
67 Maple Ave
Derby, CT 064181328

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
September 19, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Connecticut #57294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013263870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
8
Medicare allowed
$56,065
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 296 192 $133
82962 Blood glucose (sugar) test performed by hand-held instrument 165 97 $3
83036 Hemoglobin a1c level 82 62 $9
99204 New patient office or other outpatient visit, 45-59 minutes 57 57 $172
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 14 $83
36415 Insertion of needle into vein for collection of blood sample 18 16 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 11 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $92

In context: peer comparison

Among 3 peers in this city , average services per provider: 94. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$792
Transactions
36
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 9 $171.42
Xeris Pharmaceuticals, Inc. 5 $101.24
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $73.70
Amphastar Pharmaceuticals, Inc. 2 $71.11
Abbott Laboratories 3 $63.04
Radius Health, Inc. 2 $60.04
Antares Pharma, Inc. 2 $51.88
Medtronic, Inc. 2 $46.06
Tandem Diabetes Care, Inc. 1 $36.98
Amgen Inc. 2 $35.26
Amneal Pharmaceuticals LLC 1 $23.12
Corcept Therapeutics 1 $22.94
Novo Nordisk Inc 1 $20.63
Dexcom, Inc. 1 $14.99

By nature of payment

Food and Beverage
$792

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,412
Patients
692
Total drug cost
$1,698,143
Drug Type Claims Patients Total cost
Trulicity (Dulaglutide) Brand 427 104 $936,882
Levothyroxine Sodium Generic 402 105 $7,412
Metformin Hcl Generic 270 80 $2,657
Alendronate Sodium Generic 235 74 $3,113
Glipizide Generic 163 50 $1,060
Jardiance (Empagliflozin) Brand 151 42 $219,996
Atorvastatin Calcium Generic 137 37 $1,945
Pioglitazone Hcl Generic 115 37 $2,262
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 92 48 $8,109
Synthroid (Levothyroxine Sodium) Brand 88 23 $10,622

Frequently asked questions

Auto-generated from federal data
What is Dr. Chi Tang's medical specialty?
Dr. Chi Tang practices Endocrinology, Diabetes & Metabolism Physician in Ansonia, CT.
Where does Dr. Chi Tang practice?
Dr. Chi Tang practices at 135 Division St Ste 1, Ansonia, CT 064012135. Office phone: 2037353500.
What is Dr. Chi Tang's NPI?
Dr. Chi Tang's National Provider Identifier (NPI) is 1013263870, issued by NPPES.
Does Dr. Chi Tang accept Medicare assignment?
Yes. Dr. Chi Tang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chi Tang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.