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.
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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.