What is Derek Sun's specialty?

Derek Sun (NPI 1174898019) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in San Francisco, CA.

Where does Derek Sun practice?

Derek Sun practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1174898019.

How much does Medicare pay Derek Sun?

Derek Sun (NPI 1174898019) received approximately $163K in total Medicare Part B payments, serving 2,080 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1174898019

Derek SunMD

Diagnostic RadiologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,543

Unique beneficiaries

—

Total services

13,491

Distinct HCPCS

Medicare payment

$152K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

87.0

Quality

86.8

Cost

70.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.51%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Derek 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). 115 inbound referrers · 293 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gordon Fung Cardiology · San Francisco, CA	220	566
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	78	140
CITY & COUNTY OF SAN FRANCISCO	62	195
NPI 1487694121	59	127
James Hardy Emergency Medicine · Merced, CA	56	81
Marianne Juarez Emergency Medicine · San Francisco, CA	56	91
American Medical Response West Ambulance Service Provider · San Francisco, CA	56	101
Donald Grandis Cardiology · San Francisco, CA	54	106
Marshall Stoller Urology · San Francisco, CA	50	104
Elizabeth Kwan Emergency Medicine · San Francisco, CA	48	101
William Shyy Emergency Medicine · Santa Monica, CA	44	78
Jennifer Harris Emergency Medicine · Oakland, CA	43	76

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	1,928	7,408
Gordon Fung Cardiology · San Francisco, CA	447	1,121
American Medical Response West Ambulance Service Provider · San Francisco, CA	212	369
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	176	306
Brett Elicker Diagnostic Radiology · San Francisco, CA	157	391
Karen Ordovas Diagnostic Radiology · Seattle, WA	151	365
Michael Hope Diagnostic Radiology · San Francisco, CA	130	294
Charles Higgins Diagnostic Radiology · San Francisco, CA	127	262
David Naeger Diagnostic Radiology · Denver, CO	112	242
Edward Gerstenfeld Cardiology · San Francisco, CA	98	211
Ronald Zagoria Diagnostic Radiology · Atlanta, GA	97	201
SUTTER BAY HOSPITALS	96	219

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