NPI age
18 years
Enumerated 2007-09-18
● Active
Type 1 · Individual
DR. Donald Alexander Glass II, M.D., PH,D,
Glass is 1 of 8 dermatology providers in Prosper and 1 of 1632 in Texas.
Primary specialty
Dermatology
Plus 1 subspecialty
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-03-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1632 active dermatology providers in Texas.
NPI age
18 years
↑ 2 yr above median (16 yr)
State licenses
2 states
Top 92% — 8% of peers are multi-state
Subspecialties
0
29% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-09Enumerated in NPPES
2007
2026
Where they practice
Practice location
170 S Preston Rd Ste 10
Prosper, TX 750781724
Mailing address
170 S Preston Rd Ste 10
Prosper, TX 750781724
Specialties
-
Dermatology PrimaryA dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The...
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 →
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