What is Charles Lo's specialty?

Charles Lo (NPI 1811978604) is a Medicare-billing provider whose primary specialty is General Surgery in San Francisco, CA.

Where does Charles Lo practice?

Charles Lo practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1811978604.

How much does Medicare pay Charles Lo?

Charles Lo (NPI 1811978604) received approximately $46K in total Medicare Part B payments, serving 124 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811978604

Charles LoMD

General SurgerySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

132

Unique beneficiaries

—

Total services

155

Distinct HCPCS

Medicare payment

$14K

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

105

Beneficiaries

—

Total drug cost

$786

Distinct drugs

Brand share

38.1%

Top prescribed drugs

Cephalexin65 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl22 claims

Amoxicillin/Potassium Clav18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$20

Payment records

By payment type

Food and Beverage$20

Top paying entities

Food and Beverage$20

REFERRAL NETWORK

Where Charles Lo'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UCSF HEALTH COMMUNITY HOSPITALS	19	49
Irwin Chow Anesthesiology · San Francisco, CA	18	38
Gustin Ho Internal Medicine · San Francisco, CA	17	64
Shu Wing Chan Internal Medicine · San Francisco, CA	14	42
LOW, RANDALL	11	27

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