NPI age
10 years
Enumerated 2015-06-11
● Active
Type 1 · Individual
Mary Theoktisto
Theoktisto is 1 of 2 internal medicine providers in Lakeway and 1 of 920 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-08-20
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
10 years
↓ 7 yr below median (17 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2015 → 2026
2015-06Enumerated in NPPES
2015
2026
Where they practice
Practice location
100 Medical Pkwy
Lakeway, TX 787385621
Mailing address
Po Box 844658
Dallas, TX 752844658
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...
Practice context
Part of a multi-provider practice. 46 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.