What is Lisa Chen's specialty?

Lisa Chen (NPI 1508879669) is a Medicare-billing provider whose primary specialty is Colorectal Surgery (Proctology) in Houston, TX.

Where does Lisa Chen practice?

Lisa Chen practices in Houston, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1508879669.

How much does Medicare pay Lisa Chen?

Lisa Chen (NPI 1508879669) received approximately $43K in total Medicare Part B payments, serving 186 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508879669

Lisa ChenM.D.

Colorectal Surgery (Proctology)Houston, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

279

Unique beneficiaries

—

Total services

287

Distinct HCPCS

Medicare payment

$34K

Peer benchmark

Total Medicare services vs. 159 Colorectal Surgery (Proctology) providers in TX — below median (cohort median 395).

PRESCRIBING · PART D · 2024

Total Rx claims

143

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

52.4%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl51 claims

Hydrocortisone32 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl24 claims

Colesevelam Hcl18 claims

Ondansetron Hcl18 claims

QUALITY · MIPS · 2024

Final MIPS score

84.1

Quality

69.2

Cost

73.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.38%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$842

Payment records

By payment type

Food and Beverage$842

Top paying entities

Food and Beverage$842

REFERRAL NETWORK

Where Lisa Chen'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Duc Bui Anesthesiology · Spring, TX	63	169
Dustin Yates Certified Registered Nurse Anesthetist (CRNA) · Corpus Christi, TX	20	54
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	18	42

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