What is Diane Kwan's specialty?

Diane Kwan (NPI 1992913859) is a Medicare-billing provider whose primary specialty is General Surgery in Oakland, CA.

Where does Diane Kwan practice?

Diane Kwan practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1992913859.

How much does Medicare pay Diane Kwan?

Diane Kwan (NPI 1992913859) received approximately $91K in total Medicare Part B payments, serving 194 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1992913859

Diane KwanM.D.

PRACTICEFIRST SURGICAL CONSULTANTS MEDICAL GROUP INCSee all providers at this practice →

General SurgeryOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

216

Unique beneficiaries

—

Total services

267

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$674

Distinct drugs

Brand share

31.8%

Top prescribed drugs

Pantoprazole Sodium32 claims

Ondansetron21 claims

Oxycodone Hcl13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$35K

Payment records

By payment type

Education$26K

Consulting Fee$8K

Food and Beverage$1K

Travel and Lodging$57

Top paying entities

Education$26K

Consulting Fee$8K

Food and Beverage$1K

Travel and Lodging$57

REFERRAL NETWORK

Where Diane Kwan'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Eugenia Kang General Surgery · Walnut Creek, CA	27	73
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	19	53
CONTRA COSTA COUNTY	15	56
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	15	57
LATNER, BARRY	13	32
Amy Lai Diagnostic Radiology · New York, NY	13	21
Eric Chen Interventional Radiology · Los Angeles, CA	12	25
MANDAL, RAJNI	11	20

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