NPI age
19 years
Enumerated 2006-06-12
● Active
Type 1 · Individual
DR. Michael P Zimmerman, M.D.
Zimmerman is 1 of 284 emergency medicine providers in Austin and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Plus 3 subspecialties
Licensed in
TX, IL, WI, IN
4 states
Status
Active
No deactivations on record
Last NPPES update
2022-11-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6039 active emergency medicine providers in Texas.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
4 states
Top 82% — 17% of peers are multi-state
Subspecialties
0
43% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
6300 La Calma Dr Ste 200
Austin, TX 787523825
Mailing address
6300 La Calma Drive Suite 200
Austin, TX 78752
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (WI) | P00030482 | MEDICARE RAILROAD |
| 05 (WI) | 34382800 | |
| 01 (IL) | 930123623 | MEDICARE RAILROAD |
| 01 (IL) | P00043246 | MEDICARE RAILROAD |
Multi-state credentialing: Licensed in 4 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 9 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new emergency medicine providers have been added in Austin in the last 180 days.
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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.