NPI age
11 years
Enumerated 2015-04-10
● Active
Type 1 · Individual
Cassie Hartline, M.D.
Hartline is 1 of 124 surgery providers in Houston and 1 of 548 in Texas.
Primary specialty
Surgery
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-08-10
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 548 active surgery providers in Texas.
NPI age
11 years
↓ 6 yr below median (17 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
0
40% of peers hold subspecialties
NPI lifetime · 2015 → 2026
2015-04Enumerated in NPPES
2015
2026
Where they practice
Practice location
9230 Katy Fwy Ste 600
Houston, TX 770557468
Mailing address
1441 N Beckley Ave
Dallas, TX 752031201
Specialties
-
Surgery PrimaryA surgeon who specializes in plastic and reconstructive surgery.
Practice context
Part of a multi-provider practice. 11 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 548 Surgery providers in Texas?
Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.
Request a quote →How to verify this provider
- 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.