NPI age
20 years
Enumerated 2006-03-28
● Active
Type 1 · Individual
DR. Christopher Owen Ruud, M.D.
Ruud is 1 of 27 internal medicine providers in Austin and 1 of 576 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-08-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 576 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
1
In the 46% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
901 W 38th St Ste 200
Austin, TX 787051165
Mailing address
Po Box 911230
Dallas, TX 753911230
Specialties
-
Internal Medicine PrimaryAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
-
Internal MedicineAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | PO1279577 | RAILROAD MEDICARE |
| 05 (TX) | 137861420 | |
| 05 (TX) | 137861417 | |
| 01 (TX) | 830008565 | RR/MEDICARE |
| 01 (TX) | 1378614-14 | CSHCN |
| 05 (TX) | 137861421 | |
| 01 (TX) | 8G5397 | BLUE SHIELD |
| 01 (TX) | P01279580 | RAILROAD MEDICARE |
Practice context
Part of a multi-provider practice. 10 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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