NPI age
13 years
Enumerated 2013-05-12
● Active
Type 1 · Individual
DR. Zachary Wade Marshall, M.D.
Marshall is 1 of 1 allergy & immunology providers in Roanoke and 1 of 134 in Texas.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-09-17
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 134 active allergy & immunology providers in Texas.
NPI age
13 years
↓ 6 yr below median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2013 → 2026
2013-05Enumerated in NPPES
2013
2026
Where they practice
Practice location
205 N Oak St Unit B
Roanoke, TX 762627001
Mailing address
205 N Oak St Unit B
Roanoke, TX 762627001
Specialties
-
Allergy & Immunology PrimaryA physician who specializes in the diagnosis, treatment, and management of allergies.
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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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.