NPI age
19 years
Enumerated 2006-10-05
● Active
Type 1 · Individual
Lyndall Franklin Harrison, MD
Harrison is 1 of 54 allergy & immunology providers in Houston and 1 of 506 in Texas.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-06-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 506 active allergy & immunology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 28% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
2727 W Holcombe Blvd
Houston, TX 770251669
Mailing address
11511 Shadow Creek Pkwy
Pearland, TX 775847298
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
15655 Cypress Wood Medical Dr Ste 100
Houston, TX 770141487
Location 3
25553 Us Highway 59
Porter, TX 773655500
Specialties
-
Allergy & Immunology PrimaryAn 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...
-
Internal MedicineAn 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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 104759905 | |
| 05 (TX) | 104759902 | |
| 05 (TX) | 104759906 |
Practice context
Part of a multi-provider practice. 335 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 →
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