Annika Marie Shearer
Psychiatry Physician · San Francisco, CA
Annika Marie Shearer is a psychiatry physician with a practice address in San Francisco, California, and NPI 1184251274, issued on Mar 26, 2020. Check the license (California A189715, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Annika Marie Shearer
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A189715 CA
Self-reported in NPPES; status is on the state search - Practice location
- 582 Market St Ste 812, San Francisco, CA 94104
- Phone
- (415) 922-9122
- Enumerated
- Mar 26, 2020
- Record last updated
- Dec 9, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 582 Market St Ste 812
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrienne Van NieuwenhuizenPsychiatry Physician1598298861
Verify Annika Marie Shearer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
153 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate15 claims
- Risperidone15 claims
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.
Annika Marie Shearer among 8,673 psychiatry physician records in California
Annika Marie Shearer is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
763 psychiatry physician records list a practice address in San Francisco
They are 763 of the 38,143 NPPES records with a practice address in San Francisco, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Francisco → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ronald Albucher, M.D.San Francisco, CA 941041174632806
- William Bresnick, M.D.San Francisco, CA 941041538227574
- James Delano, M.D.San Francisco, CA 941041285735472
- Francisco Gonzalez, M.D.San Francisco, CA 941041518023266
- Karin Hastik, M.D.San Francisco, CA 941041457401002
- Marc JacobsSan Francisco, CA 941041669581336
- Vijay Jethanandani, M.D.San Francisco, CA 941041932187143
- Elaine Liu, MDSan Francisco, CA 941041093977944
Common questions
What is Annika Marie Shearer's NPI number?
Annika Marie Shearer's National Provider Identifier (NPI) is 1184251274, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Annika Marie Shearer located?
The NPPES record lists a practice address at 582 Market St Ste 812, San Francisco, CA, 94104. Phone: (415) 922-9122. Providers update this record themselves, so call before visiting.
How can I verify Annika Marie Shearer's license?
NPPES lists California license number A189715, 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.
How much does Annika Marie Shearer prescribe under Medicare Part D?
In 2024, Annika Marie Shearer had 153 Medicare Part D claims for 17 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.