NPI age
18 years
Enumerated 2007-06-15
● Active
Type 1 · Individual
DR. Phi Wiegn, MD
Wiegn is 1 of 33 internal medicine providers in Dallas and 1 of 309 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2009-04-17
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 309 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
1 state
20% of peers hold multiple states
Subspecialties
1
In the 72% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-06Enumerated in NPPES
2007
2026
Where they practice
Practice location
7777 Forest Ln, Suite C-538
Dallas, TX 752302505
Mailing address
Po Box 453187
Garland, TX 750453187
Specialties
-
Internal Medicine PrimaryA field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
-
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) | 199819701 |
Practice context
Part of a multi-provider practice. 523 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 →
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