What is Vicente Lam Siu's specialty?

Vicente Lam Siu (NPI 1497958862) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Angelo, TX.

Where does Vicente Lam Siu practice?

Vicente Lam Siu practices in San Angelo, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1497958862.

How much does Medicare pay Vicente Lam Siu?

Vicente Lam Siu (NPI 1497958862) received approximately $262K in total Medicare Part B payments, serving 560 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1497958862

Vicente Lam SiuM.D.

PRACTICESHANNON CLINICSee all providers at this practice →

Internal MedicineSan Angelo, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,245

Unique beneficiaries

—

Total services

3,933

Distinct HCPCS

Medicare payment

$248K

Peer benchmark

Total Medicare services vs. 6,183 Internal Medicine providers in TX — top quintile (cohort median 673).

PRESCRIBING · PART D · 2024

Total Rx claims

11,522

Beneficiaries

—

Total drug cost

$868K

Distinct drugs

152

Brand share

18.9%

Top prescribed drugs

Atorvastatin Calcium694 claims

Levothyroxine Sodium635 claims

Gabapentin457 claims

Furosemide390 claims

Metformin Hcl361 claims

QUALITY · MIPS · 2024

Final MIPS score

82.6

Quality

78.2

Cost

67.2

Improvement activities

40.0

Promoting interop.

96.0

Payment adjustment

0.32%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$510

Payment records

By payment type

Food and Beverage$510

Top paying entities

Food and Beverage$510

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

Home health agency

Home health agency

Home health agency

Home health agency

Hospital

Hospital

Inpatient rehabilitation facility

REFERRAL NETWORK

Where Vicente Lam Siu'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). 2 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HOSPITAL ORIENTE INC	20	31
CENTRO MEDICO DEL TURABO INC.	11	13

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