What is Peter Sun's specialty?

Peter Sun (NPI 1043263304) is a Medicare-billing provider whose primary specialty is Anesthesiology in San Jose, CA.

Where does Peter Sun practice?

Peter Sun practices in San Jose, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1043263304.

How much does Medicare pay Peter Sun?

Peter Sun (NPI 1043263304) received approximately $19K in total Medicare Part B payments, serving 123 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043263304

Peter SunMD

PRACTICESUN SURGICAL DENTAL GROUPSee all providers at this practice →

AnesthesiologySan Jose, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

122

Unique beneficiaries

—

Total services

136

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — below median (cohort median 182).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Peter 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). 3 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lien Nguyen Ophthalmology · San Jose, CA	17	62
David Chang Ophthalmology · Los Altos, CA	11	15
George Yang Ophthalmology · San Jose, CA	11	15

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Peninsula Eye Surgery Center Llc Ambulatory Surgical Center · Mountain View, CA	86	107
David Chang Ophthalmology · Los Altos, CA	36	57
Physicians Surgery Services Llc Ambulatory Surgical Center · San Jose, CA	34	39
Lien Nguyen Ophthalmology · San Jose, CA	16	40
SAN JOSE HEALTHCARE SYSTEM, L.P.	15	15
ERNY, BARBARA	14	27
Ngoc Nguyen Ophthalmology · San Jose, CA	11	23
George Yang Ophthalmology · San Jose, CA	11	14

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