NPI age
20 years
Enumerated 2005-08-03
● Active
Type 1 · Individual
DR. Christopher Siang- Cheok Sim, M D
Sim is 1 of 1764 family medicine providers in Houston and 1 of 15966 in Texas.
Primary specialty
Family Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2010-07-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 15966 active family medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
8% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
4331 Brightwood Dr, Suite 100
Houston, TX 770681704
Mailing address
4331 Brightwood Dr, Suite 100
Houston, TX 770681704
Specialties
-
Family Medicine PrimaryFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 092608104 | |
| 01 (TX) | 4060478 | AETNA |
| 01 (TX) | 8F1800 | BCBSTX |
| 01 (TX) | 0000067462702 | UNITED HEALTHCARE |
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 15 new family medicine providers have been added in Houston in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.