P Praxis·MD
● Active Type 1 · Individual

Diana Leigh Diesen, MD

Surgery·Dallas, TX· NPI 1457525230 · Enumerated 2008 · 18 years on NPI
Diesen is 1 of 22 surgery providers in Dallas and 1 of 138 in Texas.
NPI age
18 years
Enumerated 2008-04-14
Primary specialty
Surgery
Plus 3 subspecialties
Licensed in
TX, NC
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-06-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 138 active surgery providers in Texas.

NPI age
18 years
≈ at median (18 yr)
State licenses
2 states
Top 62% — 37% of peers are multi-state
Subspecialties
2
In the 58% of peers with subspecialties

NPI lifetime · 2008 → 2026

2008-04Enumerated in NPPES
2008 2026

Where they practice

Practice location
5323 Harry Hines Blvd
Dallas, TX 753907201
📞 9197242224fax 9196818856
Mailing address
5323 Harry Hines Blvd
Dallas, TX 753907201

Specialties

  • Surgery Primary
    A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
    TX license #P1453 taxonomy 2086S0120X
  • Student in an Organized Health Care Education/Training Program
    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
    taxonomy 390200000X
  • Surgery
    A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
    TX license #P1453NC license #122296 taxonomy 208600000X

Practice context

Part of a multi-provider practice. 4085 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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