NPPES file of Aug 9, 2026

Doriana Michiko Bailey, M.D.

Psychiatry Physician · San Mateo, CA

Doriana Michiko Bailey, M.D. is a psychiatry physician with a practice address in San Mateo, California, and NPI 1477783900, issued on Jul 17, 2009. Check the license (California A110163, 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
1477783900
Name
Doriana Michiko Bailey
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A110163 CA
Self-reported in NPPES; status is on the state search
Practice location
1950 Alameda DE Las Pulgas, San Mateo, CA 94403
Phone
(650) 573-3571
Enumerated
Jul 17, 2009
Record last updated
Jul 11, 2022
Fax
(650) 572-9347
Medicare enrollment
Enrolled (PECOS I20101108001074); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1950 Alameda DE Las Pulgas

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

  1. Nikki Adams, CAADEAddiction (Substance Use Disorder) Counselor1760617252
  2. Kathleen Akiyama, M.D.Psychiatry Physician1194886879
  3. Eliseo Amezcua, MAAddiction (Substance Use Disorder) Counselor1033345244
  4. Suzanne AubryMental Health Counselor1063738698
  5. Lauren Auster, MDPsychiatry Physician1942888359
  6. Cecilia Barberena, LCSWClinical Social Worker1629133129

Verify Doriana Michiko Bailey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A110163
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.0 times the Medicare Part D claims of the average psychiatry physician in 2024

2,966 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. Brand-name drugs were under 1% of claims.

  1. Doriana Bailey2,966
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl279 claims
  2. Quetiapine Fumarate238 claims
  3. Risperidone227 claims
  4. Clonazepam187 claims
  5. Lorazepam133 claims
  6. Olanzapine126 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.

Bills Medicare through one group practice

  1. County OF San MateoSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

89 psychiatry physician records list a practice address in San Mateo

They are 89 of the 3,909 NPPES records with a practice address in San Mateo, and 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 Doriana Michiko Bailey, M.D.'s NPI number?

Doriana Michiko Bailey, M.D.'s National Provider Identifier (NPI) is 1477783900, issued on Jul 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Doriana Michiko Bailey, M.D. located?

The NPPES record lists a practice address at 1950 Alameda DE Las Pulgas, San Mateo, CA, 94403. Phone: (650) 573-3571. Providers update this record themselves, so call before visiting.

How can I verify Doriana Michiko Bailey, M.D.'s license?

NPPES lists California license number A110163, 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 Doriana Michiko Bailey, M.D. prescribe under Medicare Part D?

In 2024, Doriana Michiko Bailey, M.D. had 2,966 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.