What is Sharon Lum's specialty?

Sharon Lum (NPI 1083642730) is a Medicare-billing provider whose primary specialty is General Surgery in Loma Linda, CA.

Where does Sharon Lum practice?

Sharon Lum practices in Loma Linda, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1083642730.

How much does Medicare pay Sharon Lum?

Sharon Lum (NPI 1083642730) received approximately $30K in total Medicare Part B payments, serving 87 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1083642730

Sharon LumM.D.

PRACTICEFACULTY PHYSICIANS AND SURGEONS OF LLUSMSee all providers at this practice →

General SurgeryLoma Linda, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

111

Unique beneficiaries

—

Total services

130

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — below median (cohort median 269).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$190

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Celecoxib15 claims

Gabapentin12 claims

QUALITY · MIPS · 2024

Final MIPS score

88.9

Quality

72.1

Cost

77.4

Improvement activities

40.0

Promoting interop.

80.0

Payment adjustment

0.58%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$874

Payment records

By payment type

Food and Beverage$570

Travel and Lodging$303

Top paying entities

Food and Beverage$570

Travel and Lodging$303

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050292

Hospital

CCN 050327

Hospital

CCN 050770

Hospital

REFERRAL NETWORK

Where Sharon Lum'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 · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SEVENTH-DAY ADVENTISTS LOMA LINDA UNIVERSITY MEDICAL CENTER	89	553
Cherie Cora Diagnostic Radiology · Loma Linda, CA	31	130
Pamela Wat Pathology · Loma Linda, CA	12	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SEVENTH-DAY ADVENTISTS LOMA LINDA UNIVERSITY MEDICAL CENTER	133	1,017
Cherie Cora Diagnostic Radiology · Loma Linda, CA	44	139
Won Bae Diagnostic Radiology · Loma Linda, CA	27	73
Adina Achiriloaie Diagnostic Radiology · Loma Linda, CA	18	34
Unilab Corporation Clinical Laboratory · West Hills, CA	17	62
Pamela Wat Pathology · Loma Linda, CA	14	32
Gayathri Nagaraj Medical Oncology · Loma Linda, CA	12	42
Jon Miller Diagnostic Radiology · Loma Linda, CA	11	26
Pamela Esquivel Nurse Practitioner · Loma Linda, CA	11	36

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