P Praxis·MD
● Active Type 1 · Individual

DR. Mark Andrew Casanova, M.D.

Internal Medicine·Dallas, TX· NPI 1154332088 · Enumerated 2006 · 19 years on NPI
Casanova is 1 of 41 internal medicine providers in Dallas and 1 of 217 in Texas.
NPI age
19 years
Enumerated 2006-08-09
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-01-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 217 active internal medicine providers in Texas.

NPI age
19 years
↑ 7 yr above median (12 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
1
In the 60% of peers with subspecialties

NPI lifetime · 2006 → 2026

2006-08Enumerated in NPPES
2006 2026

Where they practice

Practice location
3600 Gaston Ave, Suite 605
Dallas, TX 752461800
📞 2148209248fax 2148209458
Mailing address
3600 Gaston Ave, Suite 605
Dallas, TX 752461800
📞 2148209248fax 2148209458

Specialties

  • Internal Medicine Primary
    An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
    TX license #L6008 taxonomy 207RH0002X
  • Internal Medicine
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    TX license #L6008 taxonomy 207R00000X

Identifiers

TypeValueNotes
05 (TX) 158443501
01 (TX) 8G0891 BCBS
05 (TX) 158443502

Practice context

Part of a multi-provider practice. 201 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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