NPI age
20 years
Enumerated 2006-01-23
● Active
Type 1 · Individual
John Moser Butler, MD
Butler is 1 of 16 internal medicine providers in Sugar Land and 1 of 920 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-06-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 920 active internal medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-01Enumerated in NPPES
2006
2026
Where they practice
Practice location
16659 Southwest Fwy Ste 371
Sugar Land, TX 774792375
Mailing address
16659 Southwest Freeway, Mob 2, Suite 371
Sugar Land, TX 774792375
Additional practice locations
1 secondary location on file with NPPES.
Location 2
4911 Sand Hill Dr
Sugar Land, TX 77479
Specialties
-
Internal Medicine PrimaryAn internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 118086106 | |
| 01 (TX) | 440003980 | RAILROAD MEDICARE |
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Sugar Land 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.