NPPES file of Aug 9, 2026

Tiffany Chao

Psychiatry Physician · San Jose, CA

Tiffany Chao is a psychiatry physician with a practice address in San Jose, California, and NPI 1558947085, issued on Mar 23, 2021. Check the license (California A182772, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558947085
Name
Tiffany Chao
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A182772 CA
Self-reported in NPPES; status is on the state search
Practice location
6620 Via Del Oro, San Jose, CA 95119
Phone
(408) 360-2300
Enumerated
Mar 23, 2021
Record last updated
Sep 4, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6620 Via Del Oro

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Veronica AyalaMarriage & Family Therapist1497398002
  2. Kelly Behrens, PSY.D.Clinical Psychologist1518158997
  3. Matthew Berry, LPCCMental Health Counselor1811877525
  4. Sarah BurtonClinical Psychologist1447755392
  5. Mariah Carroll, DOPsychiatry Physician1275096059
  6. Emily Chen, MDStudent in an Organized Health Care Education/Training Program1245081793

Verify Tiffany Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182772
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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81% fewer Medicare Part D claims than the average psychiatry physician in 2024

188 Medicare Part D claims for 81 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Tiffany Chao188
  2. Specialty average1,000

Most prescribed

  1. Mirtazapine28 claims
  2. Sertraline Hcl27 claims
  3. Aripiprazole12 claims
  4. Lorazepam11 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.

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Tiffany Chao's NPI number?

Tiffany Chao's National Provider Identifier (NPI) is 1558947085, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Chao located?

The NPPES record lists a practice address at 6620 Via Del Oro, San Jose, CA, 95119. Phone: (408) 360-2300. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Chao's license?

NPPES lists California license number A182772, 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 Tiffany Chao prescribe under Medicare Part D?

In 2024, Tiffany Chao had 188 Medicare Part D claims for 81 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.