NPI age
20 years
Enumerated 2005-08-30
● Active
Type 1 · Individual
DR. Mark D Prince, MD
Prince is 1 of 29 internal medicine providers in Tyler and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, TN
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-03-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
2 states
Top 83% — 17% of peers are multi-state
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
910 E Houston St Ste 470
Tyler, TX 757028365
Mailing address
Po Box 846098
Dallas, TX 752846098
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2026 S Jackson St
Jacksonville, TX 757665822
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | P01812747 | RAIL ROAD MEDICARE |
| 01 (TX) | 75-2616977-054 | TRICARE |
| 05 (TX) | 338983501 | |
| 05 (TX) | 338983502 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares 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.