P Praxis·MD
⌕ Search NPI, name, or specialty
● Active Type 2 · Organization

John A Dieck PA

Internal Medicine·Austin, TX· NPI 1770744104 · Enumerated 2008 · 17 years on NPI
John A Dieck PA is 1 of 2301 internal medicine organizations in Texas.
NPI age
17 years
Enumerated 2008-06-18
Primary specialty
Internal Medicine
Plus 4 secondary
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Dieck
President
Last NPPES update
2010-04-14
Source: monthly bulk 2026-05

How this organization compares

Across 2301 active internal medicine providers in Texas.

NPI age
17 years
↓ 2 yr below median
Practice locations
1
0 secondary on file
Subspecialties
4
In the 37% of peers with subspecialties

NPI lifetime · 2008 → 2026

2008-06Enumerated in NPPES
2008 2026

Where they practice

Primary practice location
4316 James Casey St, Bldg. A
Austin, TX 787451157
📞 5126235300fax 5126235399
Mailing address
Po Box 13045
Austin, TX 787113045
📞 5126235300fax 5126235399

Authorized official

John A Dieck, M.D.
President
📞 5126235300

Individual providers at this organization

18 individual providers on file at this primary practice address.

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine
  • Internal Medicine Primary
    An 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.
    TX license #G8081 taxonomy 207RC0000X
  • 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 #G8081 taxonomy 207R00000X
  • Internal Medicine
    A 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.
    TX license #G8081 taxonomy 207RC0001X
  • Internal Medicine
    An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical...
    TX license #G8081 taxonomy 207RI0011X
  • Nuclear Medicine
    A nuclear medicine physician who specializes in nuclear cardiology.
    TX license #G8081 taxonomy 207UN0901X

Identifiers

TypeValueNotes
01 (TX) DO6808 MEDICARE RAILROAD
01 (TX) 0089RZ BCBSTX GROUP NUMBER
05 (TX) 197564102
05 (TX) 197564101

Other names on file (1)

Doing-business-as, former, and alternate names recorded by NPPES.

  • Texas Heart & Vascular PA
    Type code 3 recorded 2009-03-24

Practice context

Multi-provider organization. 18 individual providers on file at this primary address.

Provyx · Custom healthcare lists

Need all 2301 Internal Medicine providers in Texas?

Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.

Request a quote →

How to verify this organization

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

Related

Internal Medicine organizations in Texas
→ Texas hub
About this specialty
→ Specialty guide