Alexia Tatem, MD
Diagnostic Radiology Physician · San Francisco, CA
Alexia Tatem, MD is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1114556321, issued on Apr 8, 2020. Check the license (California A186605, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexia Tatem
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A186605 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Divisadero St RM C250, San Francisco, CA 94143
- Phone
- (415) 885-7464
- Enumerated
- Apr 8, 2020
- Record last updated
- Jul 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250328001473); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine - Phoenix, 2020
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 1600 Divisadero St RM C250
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexia Tatem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A186605Check 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 4 group practices
- City And County OF San FranciscoSan Francisco, CA
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexia Tatem among 4,500 diagnostic radiology physician records in California
Alexia Tatem, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2020 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in San Francisco → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ronald Arenson, MDSan Francisco, CA 941431063477750
- Diana Baker, M.D.San Francisco, CA 941431790730984
- Cynthia Chin, M.D.San Francisco, CA 941431447292404
- Rita Freimanis, MDSan Francisco, CA 941431508840802
- Charles Gooding, MDSan Francisco, CA 941431497710214
- Roy Gordon, M.D.San Francisco, CA 941431881636876
- Bonnie Joe, M.D.San Francisco, CA 941431710927314
- Theodore Lee, M.D.San Francisco, CA 941431083656193
Common questions
What is Alexia Tatem, MD's NPI number?
Alexia Tatem, MD's National Provider Identifier (NPI) is 1114556321, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alexia Tatem, MD located?
The NPPES record lists a practice address at 1600 Divisadero St RM C250, San Francisco, CA, 94143. Phone: (415) 885-7464. Providers update this record themselves, so call before visiting.
How can I verify Alexia Tatem, MD's license?
NPPES lists California license number A186605, 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.