P Praxis·MD
● Active Type 1 · Individual

Isabel C. Hill, M.D.

Pathology·Sunnyvale, TX· NPI 1336304468 · Enumerated 2008 · 17 years on NPI
Hill is 1 of 1 pathology providers in Sunnyvale and 1 of 1597 in Texas.
NPI age
17 years
Enumerated 2008-07-29
Primary specialty
Pathology
Plus 2 subspecialties
Licensed in
TX, GU
2 states
Status
Active
No deactivations on record
Last NPPES update
2018-12-03
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1597 active pathology providers in Texas.

NPI age
17 years
↓ 2 yr below median (19 yr)
State licenses
2 states
Top 83% — 16% of peers are multi-state
Subspecialties
1
In the 37% of peers with subspecialties

NPI lifetime · 2008 → 2026

2008-07Enumerated in NPPES
2008 2026

Where they practice

Practice location
231 S Collins Rd
Sunnyvale, TX 75182
📞 9728923000
Mailing address
1355 River Bend Dr
Dallas, TX 752474915
📞 2146382000

Additional practice locations

1 secondary location on file with NPPES.

Location 2
133 Route 3
Dededo, GU 969296544
📞 6716455500 x5544fax 6716455549

Specialties

  • Pathology Primary
    A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses...
    TX license #P9142 taxonomy 207ZP0102X
  • Pathology
    A hematopathologist is expert in diseases that affect blood cells, blood clotting mechanisms, bone marrow and lymph nodes. This physician has the knowledge and technical skills essential for the laboratory diagnosis of anemias,...
    GU license #M-1811TX license #P9142 taxonomy 207ZH0000X

Practice context

Part of a multi-provider practice. 22 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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