Michael P. Zimmerman, M.D.
Emergency Medicine Physician · Austin, TX
Michael P. Zimmerman, M.D. is an emergency medicine physician with a practice address in Austin, Texas, and NPI 1518909647, issued on Jun 12, 2006. Check the license (Texas P5765, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael P. Zimmerman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- P5765 TX
036-105559 IL
01054617A IN
44719-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 6300 LA Calma Dr Ste 200, Austin, TX 78752
- Phone
- (512) 452-8533
- Enumerated
- Jun 12, 2006
- Record last updated
- Nov 17, 2022
- Fax
- (512) 685-0612
- Medicaid ID
- 34382800 WI
- Medicare enrollment
- Enrolled (PECOS I20130812000748); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 6300 LA Calma Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Bell, PAPhysician Assistant1073596318
- Manuela Ewing, M.D.Emergency Medicine Physician1871889436
- George Gibson, D.O.Emergency Medicine Physician1194745885
- Nicole Hotchkiss, D.O.Emergency Medicine Physician1003115890
- Gavin Moreland, M.D.Emergency Medicine Physician1720240666
- Salmin Roebuck, PAPhysician Assistant1013650290
Verify Michael P. Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P5765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average emergency medicine physician in 2024
40 Medicare Part D claims for 32 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,487.54
15 payments; by number, the most common kind was food and beverage; the largest payer was Eli Lilly and Company. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Longhorn Emergency Medical Associates PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael P. Zimmerman among 4,885 emergency medicine physician records in Texas
Michael P. Zimmerman, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1999 · median 2013 among the 2,779 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Austin → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Atheer Baldawi, M.D.Austin, TX 787521871708545
- Laura Beech, M.D.Austin, TX 787521932374691
- Steven Conroy, DOAustin, TX 787521407062102
- Kristen Denton, M.D.Austin, TX 787521366643421
- Timothy Fitzpatrick, MDAustin, TX 787521861450322
- George Gibson, D.O.Austin, TX 787521194745885
- Donald Gladden, DOAustin, TX 787521356398168
- Jennifer Graham, M.D.Austin, TX 787521083889281
Common questions
What is Michael P. Zimmerman, M.D.'s NPI number?
Michael P. Zimmerman, M.D.'s National Provider Identifier (NPI) is 1518909647, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael P. Zimmerman, M.D. located?
The NPPES record lists a practice address at 6300 LA Calma Dr Ste 200, Austin, TX, 78752. Phone: (512) 452-8533. Providers update this record themselves, so call before visiting.
How can I verify Michael P. Zimmerman, M.D.'s license?
NPPES lists Texas license number P5765, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael P. Zimmerman, M.D. prescribe under Medicare Part D?
In 2024, Michael P. Zimmerman, M.D. had 40 Medicare Part D claims for 32 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.