NPPES file of Aug 9, 2026

Iona Machado, M.D.

Psychiatry Physician · San Francisco, CA

Iona Machado, M.D. is a psychiatry physician with a practice address in San Francisco, California, and NPI 1871025403, issued on Apr 2, 2017. Check the license (California A157026, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1871025403
Name
Iona Machado
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
A157026 CA
340521 NY
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
Apr 2, 2017
Record last updated
May 22, 2026
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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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.

  1. Timothy Ando, MDPsychiatry Physician1811428071
  2. Jessica Ellinoy, M.D.Psychiatry Physician1780027649
  3. Farhan Ladhani, MDPsychiatry Physician1609307883
  4. Stella LefevreClinical Psychologist1023265766
  5. Annika ShearerPsychiatry Physician1184251274
  6. Adrienne Van NieuwenhuizenPsychiatry Physician1598298861

Verify Iona Machado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A157026    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.

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Iona Machado among 8,673 psychiatry physician records in California

Iona Machado, M.D. 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 not. Its NPI, issued in 2017, is newer than 79% of them.

  • NPI issued2017 · 79% of these records are older, 18% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2026 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,673 in California → Every provider in San Francisco → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ronald Albucher, M.D.San Francisco, CA 941041174632806
  2. William Bresnick, M.D.San Francisco, CA 941041538227574
  3. James Delano, M.D.San Francisco, CA 941041285735472
  4. Francisco Gonzalez, M.D.San Francisco, CA 941041518023266
  5. Karin Hastik, M.D.San Francisco, CA 941041457401002
  6. Marc JacobsSan Francisco, CA 941041669581336
  7. Vijay Jethanandani, M.D.San Francisco, CA 941041932187143
  8. Elaine Liu, MDSan Francisco, CA 941041093977944

Common questions

What is Iona Machado, M.D.'s NPI number?

Iona Machado, M.D.'s National Provider Identifier (NPI) is 1871025403, issued on Apr 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Iona Machado, M.D. 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 Iona Machado, M.D.'s license?

NPPES lists California license number A157026, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.