Alex Rosenberg, MD
Hospitalist Physician · Los Angeles, CA
Alex Rosenberg, MD is a hospitalist physician with a practice address in Los Angeles, California, and NPI 1275074536, issued on Mar 19, 2017. Check the license (California A157841, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alex Rosenberg
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A157841 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2051 Marengo St # C2K100, Los Angeles, CA 90033
- Phone
- (323) 409-5505
- Enumerated
- Mar 19, 2017
- Record last updated
- Mar 29, 2022
- Entity
- Type 1 · individual
Also registered at 2051 Marengo St # C2K100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Chung, M.D., M.B.A.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1356723704
- Joseph Gannett, MDEmergency Medicine Physician1881198729
Verify Alex Rosenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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- Anwar Abdelhadi, M.D.Orange, CA1093784191
- Farid Abdelmalak, M.D.Santa Monica, CA1912392937
- Elijah AbdelmeseehLong Beach, CA1346827631
- Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA1871802454
- Wajidah Abdul-KhabirDuarte, CA1215323522
- Rizwana Abdullah, MDRoseville, CA1194899401
Common questions
What is Alex Rosenberg, MD's NPI number?
Alex Rosenberg, MD's National Provider Identifier (NPI) is 1275074536, issued on Mar 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alex Rosenberg, MD located?
The NPPES record lists a practice address at 2051 Marengo St # C2K100, Los Angeles, CA, 90033. Phone: (323) 409-5505. Providers update this record themselves, so call before visiting.
How can I verify Alex Rosenberg, MD's license?
NPPES lists California license number A157841, 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. 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.