Doctor profile · Federal record

Dr. Mary Lim-Fung, DO

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Cardiovascular Disease Physician · Clinical Cardiac Electrophysiology Physician · Humble, TX

  • NPI 1750637344
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
18450 Highway 59 N
Humble, TX 773384404
(281) 446-3665
fax (281) 446-6657
Additional location
10907 Memorial Hermann Dr Ste 400
Pearland, TX 775844115
(281) 740-0280
fax (832) 486-9953
Additional location
10930 Resource Pkwy Ste A
Houston, TX 770896157
(281) 661-5767
fax (281) 676-3618

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
April 28, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State licenses (2)
Texas #P8595 · Pennsylvania #OS022707

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750637344. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
933
Distinct HCPCS
10
Medicare allowed
$120,488
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 188 141 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 75 64 $126
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 65 63 $12
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 55 41 $29
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 55 53 $21
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $213
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 41 39 $29
93656 Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 34 34 $925
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $162
33208 Insertion of pacemaker and upper and lower heart chamber electrode 30 30 $489

In context: peer comparison

Among 2 peers in this city , average services per provider: 38. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,372
Transactions
94
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 87 $5,013.91
CVRx, Inc. 2 $197.62
Novo Nordisk Inc 1 $71.58
Boston Scientific Corporation 1 $44.06
CORDIS US CORP. 1 $18.00
Becton, Dickinson and Company 1 $13.39
Janssen Pharmaceuticals, Inc 1 $13.32

By nature of payment

Food and Beverage
$3,963
Travel and Lodging
$1,409

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
208
Patients
142
Total drug cost
$49,241
Drug Type Claims Patients Total cost
Amiodarone Hcl Generic 71 39 $802
Eliquis (Apixaban) Brand 49 16 $47,873
Doxycycline Hyclate Generic 37 37 $143
Sucralfate Generic 28 28 $244
Pantoprazole Sodium Generic 23 22 $180

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Lim-Fung's medical specialty?
Dr. Mary Lim-Fung practices Clinical Cardiac Electrophysiology Physician in Humble, TX.
Where does Dr. Mary Lim-Fung practice?
Dr. Mary Lim-Fung practices at 18450 Highway 59 N, Humble, TX 773384404. Office phone: 2814463665.
What is Dr. Mary Lim-Fung's NPI?
Dr. Mary Lim-Fung's National Provider Identifier (NPI) is 1750637344, issued by NPPES.
Does Dr. Mary Lim-Fung accept Medicare assignment?
Yes. Dr. Mary Lim-Fung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Lim-Fung commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.