Doctor profile · Federal record

Dr. Michael Kwan, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · San Antonio, TX

  • NPI 1942267802
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4499 Medical Dr, Suite 166
San Antonio, TX 782293735
(210) 575-8514
fax (210) 575-8647
Mailing address
8201 Ewing Halsell, Mezzanine Floor
San Antonio, TX 782293707

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 13, 2017
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #L4509
Medicaid
TX #161039604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942267802. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
992
Distinct HCPCS
10
Medicare allowed
$109,099
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 212 77 $114
99291 Critical care, first 30-74 minutes 195 47 $203
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 88 78 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 68 62 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 60 52 $137
93356 Heart muscle strain imaging 55 53 $11
93308 Ultrasound of heart, follow-up 48 40 $24
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 48 39 $168
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 37 36 $8
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 25 24 $7

In context: peer comparison

Among 53 peers in this city , average services per provider: 173. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,143
Transactions
50
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 22 $1,428.15
CVRx, Inc. 4 $505.46
ABIOMED 4 $485.62
Lexicon Pharmaceuticals, Inc. 2 $130.69
Impulse Dynamics (USA) Inc. 1 $101.27
Biosense Webster, Inc. 1 $91.59
Novartis Pharmaceuticals Corporation 5 $91.20
CARDIVA MEDICAL, INC. 1 $88.04
Daiichi Sankyo Inc. 2 $37.81
Alnylam Pharmaceuticals Inc. 1 $36.89
AstraZeneca Pharmaceuticals LP 2 $34.11
Merck Sharp & Dohme LLC 2 $33.67
Novo Nordisk Inc 1 $29.58
Actelion Pharmaceuticals US, Inc. 1 $21.79
PFIZER INC. 1 $13.57

By nature of payment

Food and Beverage
$3,143

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
778
Patients
233
Total drug cost
$503,341
Drug Type Claims Patients Total cost
Pravastatin Sodium Generic 114 34 $1,436
Pantoprazole Sodium Generic 102 29 $863
Gabapentin Generic 81 19 $1,190
Potassium Chloride Generic 54 27 $2,173
Prednisone Generic 53 20 $818
Torsemide Generic 49 26 $1,621
Valganciclovir Hcl Generic 49 19 $25,266
Mycophenolate Mofetil Generic 42 15 $4,054
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 42 17 $367
Tacrolimus Generic 37 16 $12,144

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Kwan's medical specialty?
Dr. Michael Kwan practices Cardiovascular Disease Physician in San Antonio, TX.
Where does Dr. Michael Kwan practice?
Dr. Michael Kwan practices at 4499 Medical Dr, San Antonio, TX 782293735. Office phone: 2105758514.
What is Dr. Michael Kwan's NPI?
Dr. Michael Kwan's National Provider Identifier (NPI) is 1942267802, issued by NPPES.
Does Dr. Michael Kwan accept Medicare assignment?
Yes. Dr. Michael Kwan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Kwan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.