What is Lisa Tsang's specialty?

Lisa Tsang (NPI 1952565582) is a Medicare-billing provider whose primary specialty is Optometry in San Francisco, CA.

Where does Lisa Tsang practice?

Lisa Tsang practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1952565582.

How much does Medicare pay Lisa Tsang?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Lisa Tsang (NPI 1952565582) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1952565582

Lisa Tsang

PRACTICENORTH EAST MEDICAL SERVICESSee all providers at this practice →

OptometrySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$400

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Latanoprost33 claims

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 Lisa Tsang'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTH EAST MEDICAL SERVICES	307	373
Kwokming Cheng Family Practice · San Francisco, CA	28	55
NORTH EAST MEDICAL SERVICES	21	27
Kai Jing Internal Medicine · Fremont, CA	14	21

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