Doctor profile · Federal record

Dr. George Chang, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Houston, TX

  • NPI 1295820496
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 770304000
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 10, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Texas #M0036
Medicaid
TX #168205601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295820496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$2,732
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 21 $51
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope 14 12 $54

In context: peer comparison

Among 12 peers in this city , average services per provider: 36. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,551
Transactions
32
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 18 $6,879.44
Tempus AI, Inc 6 $5,031.92
GlaxoSmithKline, LLC. 1 $1,600.00
MEDICAROID, INC. 2 $1,186.34
INTUITIVE SURGICAL, INC. 4 $631.55
Guard Medical Inc. 1 $222.19

By nature of payment

Consulting Fee
$6,725
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$5,400
Travel and Lodging
$2,826
Food and Beverage
$601

Frequently asked questions

Auto-generated from federal data
What is Dr. George Chang's medical specialty?
Dr. George Chang practices Colon & Rectal Surgery Physician in Houston, TX.
Where does Dr. George Chang practice?
Dr. George Chang practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137926161.
What is Dr. George Chang's NPI?
Dr. George Chang's National Provider Identifier (NPI) is 1295820496, issued by NPPES.
Does Dr. George Chang accept Medicare assignment?
Yes. Dr. George Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Diagnostic exam of lower portion of large bowel using a flexible endoscope (HCPCS 45330). Source: CMS Medicare Physician & Other Practitioners file.