Michael Joseph Krzyzaniak, M.D.
Trauma Surgery Physician · San Diego, CA
Michael Joseph Krzyzaniak, M.D. is a trauma surgery physician with a practice address in San Diego, California, and NPI 1164626594, issued on Jun 11, 2007. Check the license (California A146490, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph Krzyzaniak
- Credential
- M.D.
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License numbers
- A146490 CA
50424 WI
Self-reported in NPPES; status is on the state search - Practice location
- 550 Washington St Ste 641, San Diego, CA 92103
- Phone
- (619) 299-3100
- Enumerated
- Jun 11, 2007
- Record last updated
- Apr 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20171102001985); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2005
- Entity
- Type 1 · individual
Also registered at 550 Washington St Ste 641
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vishal Bansal, M.D.Trauma Surgery Physician1194889410
- Richard Blum, M.D.Cardiovascular Disease Physician1043310030
- Bryan Dieffenbach, M.D.Vascular Surgery Physician1326466137
- Kimberly Peck, MDSurgery Physician1215018403
- Fakhri Salem, M.D.Specialist1659416485
- Amelia Simpson, M.D.Trauma Surgery Physician1538484084
Verify Michael Joseph Krzyzaniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- ON Call Specialists Medical Group OF San Diego IncSan Diego, CA
- Trauma Team Medical Group IncorporatedSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trauma Surgery Physician providers in California
There are 146 trauma surgery physician records in California.
Other trauma surgery physician records in California
- Amir Amiri, M.D.Sacramento, CA1184605644
- Anthony Anagnostou, MDEureka, CA1427450568
- John Anderson, M.D.Sacramento, CA1184607921
- Zane Ashman, M.D.Loma Linda, CA1891137915
- Uma Bagga, M.D.Orange, CA1710207840
- Naveen BalanOakland, CA1669979134
- Shana Ballow, DOFresno, CA1275821936
- William Bandy, MDChico, CA1629080445
- Vishal Bansal, M.D.San Diego, CA1194889410
- Cristobal Barrios, MDOrange, CA1164624839
Common questions
What is Michael Joseph Krzyzaniak, M.D.'s NPI number?
Michael Joseph Krzyzaniak, M.D.'s National Provider Identifier (NPI) is 1164626594, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph Krzyzaniak, M.D. located?
The NPPES record lists a practice address at 550 Washington St Ste 641, San Diego, CA, 92103. Phone: (619) 299-3100. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph Krzyzaniak, M.D.'s license?
NPPES lists California license number A146490, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.