Marek Brzezinski, MD
Critical Care Medicine (Anesthesiology) Physician · San Francisco, CA
Marek Brzezinski, MD is a critical care medicine (anesthesiology) physician with a practice address in San Francisco, California, and NPI 1881625762, issued on Jul 6, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marek Brzezinski
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- Practice location
- 4150 Clement St, San Francisco, CA 94121
- Phone
- (415) 750-2069
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230901002106); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (anesthesiology) physician records → All 146 in California → Look up another NPI →
Also registered at 4150 Clement St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gary Abrams, M.D.Physical Medicine & Rehabilitation Physician1346213246
- Anna Abramson, M.D.Internal Medicine Physician1346424785
- Alison Acerra, MS, RDRegistered Dietitian1992726848
- Sharon AdelsonCounselor1932467271
- Gary Agcaoili, C.T.R.SRecreation Therapist1649284019
Verify Marek Brzezinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $314.43
2 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. The 394 providers of this specialty with any payment received $2,001.81 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
- Anesthesia And Analgesia Medical Group IncSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marek Brzezinski among 146 critical care medicine (anesthesiology) physician records in California
Marek Brzezinski, MD is one of 146 critical care medicine (anesthesiology) physician records with a practice address in California. 86% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 72% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1995 · median 2009 among the 123 with a school on file
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Anesthesiology) Physician providers in California
There are 146 critical care medicine (anesthesiology) physician records in California.
All 146 in California → Every provider in San Francisco → Critical Care Medicine (Anesthesiology) Physician nationwide →
The 8 critical care medicine (anesthesiology) physician records with the nearest ZIP codes
- Martin Stechert, M.D.San Francisco, CA 941211619908373
- Konstantin Ovodov, MDSan Francisco, CA 941181164479309
- Celine Gonzalez, MDSan Francisco, CA 941171003553892
- Kristina Sullivan, M.D.San Francisco, CA 941151871674226
- James Marks, MDSan Francisco, CA 941101801854104
- Romain Pirracchio, MD PHDSan Francisco, CA 941101376934679
- Sara Abu-Tabikh, M.D.San Francisco, CA 941431265810055
- Xavier Alacoque, M.D.San Francisco, CA 941431619197068
Common questions
What is Marek Brzezinski, MD's NPI number?
Marek Brzezinski, MD's National Provider Identifier (NPI) is 1881625762, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marek Brzezinski, MD located?
The NPPES record lists a practice address at 4150 Clement St, San Francisco, CA, 94121. Phone: (415) 750-2069. Providers update this record themselves, so call before visiting.
How can I verify Marek Brzezinski, MD's license?
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.