NPI age
8 years
Enumerated 2018-03-19
● Active
Type 1 · Individual
Lauren Franzblau
Franzblau is 1 of 5 internal medicine providers in Dallas and 1 of 63 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 63 active internal medicine providers in Texas.
NPI age
8 years
↓ 10 yr below median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
2
In the 54% of peers with subspecialties
NPI lifetime · 2018 → 2026
2018-03Enumerated in NPPES
2018
2026
Where they practice
Practice location
5939 Harry Hines Blvd
Dallas, TX 753907201
Mailing address
Po Box 845347
Dallas, TX 752845347
Additional practice locations
1 secondary location on file with NPPES.
Location 2
5939 Harry Hines Blvd
Dallas, TX 753907201
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a...
-
Allergy & ImmunologyAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 75 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.