NPI age
19 years
Enumerated 2006-07-11
● Active
Type 1 · Individual
DR. Michael A Volz, M.D.
Volz is 1 of 3 internal medicine providers in Austin and 1 of 63 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, MN, KS, CO
4 states
Status
Active
No deactivations on record
Last NPPES update
2024-05-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 63 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
4 states
Top 77% — 22% of peers are multi-state
Subspecialties
0
54% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
9835 N Lake Creek Pkwy
Austin, TX 787176210
Mailing address
6621 Fannin St
Houston, TX 770302358
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
5690 Dtc Blvd Ste 150e
Greenwood Village, CO 801113227
Location 3
400 E 3rd St
Duluth, MN 558051951
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (CO) | 01292275 | |
| 05 (TX) | 1841225430 | |
| 05 (KS) | 100168600B |
Multi-state credentialing: Licensed in 4 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 69 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 →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.