What is Dharini Sun's specialty?

Dharini Sun (NPI 1558355743) is a Medicare-billing provider whose primary specialty is Internal Medicine in Hamden, CT.

Where does Dharini Sun practice?

Dharini Sun practices in Hamden, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1558355743.

How much does Medicare pay Dharini Sun?

Dharini Sun (NPI 1558355743) received approximately $93K in total Medicare Part B payments, serving 323 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558355743

Dharini SunM.D.

Internal MedicineHamden, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

721

Unique beneficiaries

—

Total services

1,015

Distinct HCPCS

Medicare payment

$85K

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in CT — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

10,723

Beneficiaries

—

Total drug cost

$813K

Distinct drugs

160

Brand share

19.8%

Top prescribed drugs

Atorvastatin Calcium672 claims

Levothyroxine Sodium464 claims

Amlodipine Besylate401 claims

Lisinopril341 claims

Escitalopram Oxalate313 claims

QUALITY · MIPS · 2024

Final MIPS score

95.4

Quality

83.7

Cost

72.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.86%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$367

Payment records

By payment type

Food and Beverage$367

Top paying entities

Food and Beverage$367

REFERRAL NETWORK

Where Dharini Sun's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 51 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	245	1,226
American Medical Response Of Connecticut Incorporated Ambulance Service Provider · New Haven, CT	202	968
YALE NEW HAVEN HOSPITAL	201	609
MONTOWESE HEALTH & REHABILILTATION CENTER	151	675
LAUREL WOODS HEALTH CARE CENTER LLC	102	714
Wentao Yang Nurse Practitioner · West Haven, CT	81	544
HARTFORD HEALTHCARE LABORATORIES	68	319
Vicky Amon-Perpetua Nurse Practitioner · New Haven, CT	66	440
Michelle Brassington Nurse Practitioner · West Haven, CT	66	245
Jose Vargas Physician Assistant · Avon, CT	62	347
Katy Mc Allister Podiatry · Forest Hills, NY	55	226
ZIEGLER, MARGARET	46	137

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events