NPI age
20 years
Enumerated 2006-04-18
● Active
Type 1 · Individual
Mark Howard Drazner, MD
Drazner is 1 of 22 internal medicine providers in Dallas and 1 of 81 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-01-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 81 active internal medicine providers in Texas.
NPI age
20 years
↑ 4 yr above median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
1
In the 77% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-04Enumerated in NPPES
2006
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907208
Mailing address
Po Box 845347
Dallas, TX 752845347
Specialties
-
Internal Medicine PrimarySpecialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery,...
-
Internal MedicineAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 101819402 |
Practice context
Part of a multi-provider practice. 4085 other active providers share this practice address in NPPES.
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