What is John Lim's specialty?

John Lim (NPI 1508851346) is a Medicare-billing provider whose primary specialty is Ophthalmology in Houston, TX.

Where does John Lim practice?

John Lim practices in Houston, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1508851346.

How much does Medicare pay John Lim?

John Lim (NPI 1508851346) received approximately $284K in total Medicare Part B payments, serving 998 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508851346

John LimM.D.

PRACTICEHOUSTON OPTIC, PLLCSee all providers at this practice →

OphthalmologyHouston, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,855

Unique beneficiaries

—

Total services

2,159

Distinct HCPCS

Medicare payment

$275K

Peer benchmark

Total Medicare services vs. 1,238 Ophthalmology providers in TX — above median (cohort median 1,864).

PRESCRIBING · PART D · 2024

Total Rx claims

3,257

Beneficiaries

—

Total drug cost

$797K

Distinct drugs

Brand share

51.2%

Top prescribed drugs

Latanoprost570 claims

Bimatoprost419 claims

Polymyxin B Sulf/Trimethoprim302 claims

Diclofenac Sodium252 claims

Difluprednate203 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$713

Payment records

By payment type

Food and Beverage$713

Top paying entities

Food and Beverage$713

REFERRAL NETWORK

Where John Lim'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	129	231
Bonnie Lau Certified Registered Nurse Anesthetist (CRNA) · Houston, TX	76	139
Bella Amor Certified Registered Nurse Anesthetist (CRNA) · Houston, TX	62	82
UNIVERSITY OF TEXAS M. D. ANDERSON CANCER CENTER	33	54
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	18	26
METHODIST HEALTH CENTERS	16	22
NORTH CYPRESS MEDICAL CENTER OPERATING COMPANY, LTD.	13	16
Robert Vanzant Family Practice · Katy, TX	13	27
Nowice Trexler Diagnostic Radiology · Houston, TX	11	12

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