NPPES file of Aug 9, 2026

Machiko Hosoki, MD

Developmental - Behavioral Pediatrics Physician · Palo Alto, CA

Machiko Hosoki, MD is a developmental - behavioral pediatrics physician with a practice address in Palo Alto, California, and NPI 1487006557, issued on Jul 12, 2016. Check the license (California A159412, 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
1487006557
Name
Machiko Hosoki
Credential
MD
Primary taxonomy
Developmental - Behavioral Pediatrics Physician 2080P0006X
License number
A159412 CA
Self-reported in NPPES; status is on the state search
Practice location
725 Welch RD, Palo Alto, CA 94304
Phone
(650) 497-8000
Enumerated
Jul 12, 2016
Record last updated
Apr 8, 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 725 Welch RD

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

  1. Shayda Abadi, NPNurse Practitioner1316745540
  2. Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
  3. Alexandra Abbott, MDPediatrics Physician1760018675
  4. Steven Abboud, MDAnesthesiology Physician1619364908
  5. Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
  6. Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235

Verify Machiko Hosoki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A159412
    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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Developmental - Behavioral Pediatrics Physician providers in California

There are 160 developmental - behavioral pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other developmental - behavioral pediatrics physician records in California

  1. Roger Akins, D.O.Sacramento, CA1881666055
  2. Roxanne Almas, M.D.San Jose, CA1538320916
  3. Kathleen Angkustsiri, MDSacramento, CA1851311344
  4. David Ansel, MDPalo Alto, CA1376547612
  5. Dejeunee Ashby, MDLos Angeles, CA1326561630
  6. Melissa AultHuntington Beach, CA1629795075
  7. Leonard Baker, M.D.La Canada, CA1255453627
  8. Yair Bannett, MDPalo Alto, CA1558848531
  9. Elizabeth Barrington, MDPalo Alto, CA1992224836
  10. Anshu Batra, M.D.Los Angeles, CA1356560767

Common questions

What is Machiko Hosoki, MD's NPI number?

Machiko Hosoki, MD's National Provider Identifier (NPI) is 1487006557, issued on Jul 12, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Machiko Hosoki, MD located?

The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.

How can I verify Machiko Hosoki, MD's license?

NPPES lists California license number A159412, 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.

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.