NPI age
20 years
Enumerated 2006-05-16
● Active
Type 1 · Individual
William Martens Lee, MD
Lee is 1 of 10 internal medicine providers in Dallas and 1 of 29 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-04-03
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 29 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
62% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907208
Mailing address
Po Box 845347
Dallas, TX 752845347
Specialties
-
Internal Medicine PrimaryThe discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 104345702 |
Practice context
Part of a multi-provider practice. 4085 other active providers share this practice address in NPPES.
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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.