PROVIDER PROFILE · NPI 1821146051

Nancy SunM.D.

PRACTICESIMI VALLEY HOSPITALSee all providers at this practice →

Emergency MedicineSimi Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,292

Unique beneficiaries

—

Total services

1,384

Distinct HCPCS

Medicare payment

$93K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — top quintile (cohort median 355).

PRESCRIBING · PART D · 2024

Total Rx claims

196

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

65.3%

Top prescribed drugs

Hydrocodone/Acetaminophen46 claims

Ondansetron37 claims

Cefuroxime Axetil32 claims

Cyclobenzaprine Hcl20 claims

Azithromycin19 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

73.4

Cost

72.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Nancy 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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES	384	958
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	119	278
INOUYE, CRAIG	99	240
Robert Acquarelli Diagnostic Radiology · Simi Valley, CA	93	263
Unilab Corporation Clinical Laboratory · West Hills, CA	64	175
LOS ROBLES REGIONAL MEDICAL CENTER	56	117
Qurat-Ul-Ain Rashid Internal Medicine · Simi Valley, CA	32	94
Pejman Badiei Internal Medicine · Newport Beach, CA	32	70
Jonathan Nasseri Hospice and Palliative Care · Thousand Oaks, CA	32	65
Ashraf Nashed Cardiology · Thousand Oaks, CA	24	70
Gurdip Flora Internal Medicine · Simi Valley, CA	21	79
Kwan Chong General Surgery · Simi Valley, CA	19	42

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