Doctor profile · Federal record

Dr. Dharini Sun, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hamden, CT

  • NPI 1558355743
  • Accepts Medicare
  • MIPS 82.4 / 100 · 2023
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2080 Whitney Ave Ste 240
Hamden, CT 065183603
(203) 281-6228
fax (203) 248-2881

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
February 27, 2024
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #39321
Medicaid
CT #001393214

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558355743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,080
Distinct HCPCS
10
Medicare allowed
$113,688
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 320 152 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 144 100 $96
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 142 127 $191
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 115 108 $16
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 86 30 $78
G0008 Administration of influenza virus vaccine 71 67 $32
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 59 59 $75
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 37 20 $112
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 32 26 $56
87637 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 29 25 $140

In context: peer comparison

Among 15 peers in this city , average services per provider: 90. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$299
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 4 $102.03
Lilly USA, LLC 2 $42.42
E.R. Squibb & Sons, L.L.C. 2 $40.25
PFIZER INC. 2 $35.69
ABBVIE INC. 1 $29.44
Janssen Biotech, Inc. 1 $26.61
Merck Sharp & Dohme LLC 1 $22.14

By nature of payment

Food and Beverage
$299

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,823
Patients
1,129
Total drug cost
$169,608
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 657 170 $10,497
Levothyroxine Sodium Generic 530 128 $8,799
Amlodipine Besylate Generic 452 95 $4,789
Escitalopram Oxalate Generic 362 64 $6,483
Trazodone Hcl Generic 331 70 $4,450
Gabapentin Generic 325 64 $7,633
Furosemide Generic 302 78 $2,141
Lisinopril Generic 298 78 $2,818
Eliquis (Apixaban) Brand 251 39 $89,695
Losartan Potassium Generic 243 64 $3,650

Frequently asked questions

Auto-generated from federal data
What is Dr. Dharini Sun's medical specialty?
Dr. Dharini Sun practices Internal Medicine Physician in Hamden, CT.
Where does Dr. Dharini Sun practice?
Dr. Dharini Sun practices at 2080 Whitney Ave Ste 240, Hamden, CT 065183603. Office phone: 2032816228.
What is Dr. Dharini Sun's NPI?
Dr. Dharini Sun's National Provider Identifier (NPI) is 1558355743, issued by NPPES.
Does Dr. Dharini Sun accept Medicare assignment?
Yes. Dr. Dharini Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dharini Sun 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 99213); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.