Registry data as of Aug 27, 2026

Phassarin Chansakul, MD

Pediatrics Physician · Castro Valley, CA

Phassarin Chansakul, MD is a pediatrics physician with a practice address in Castro Valley, California, and NPI 1922413038, issued on Jun 26, 2014. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1922413038
Name
Phassarin Chansakul
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
Practice location
20101 Lake Chabot RD, Castro Valley, CA 94546
Phone
(510) 866-3400
Enumerated
Jun 26, 2014
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 20101 Lake Chabot RD

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

  1. Tania Benjamin, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1093276131
  2. Jennifer CaseyEndocrinology, Diabetes & Metabolism Physician1750524575
  3. Mandeep Chadha, AUDAudiologist1346078086
  4. Anthony Chan, M.D.Student in an Organized Health Care Education/Training Program1285070235
  5. Nalurporn Chokrungvaranon, M.D.Endocrinology, Diabetes & Metabolism Physician1922209436
  6. Huong Dang, MDFamily Medicine Physician1417390071

Verify Phassarin Chansakul in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

12 pediatrics physician records list a Castro Valley practice address

They are 12 of the 999 NPPES records with a Castro Valley practice address, and 10,094 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Lauren Abbas, MDLos Angeles, CA1982163796
  7. Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. David Abbott, MDSanta Barbara, CA1144233370
  10. Lara Abbott, M.D.San Fernando, CA1053312868

Common questions

What is Phassarin Chansakul, MD's NPI number?

Phassarin Chansakul, MD's National Provider Identifier (NPI) is 1922413038, issued on Jun 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Phassarin Chansakul, MD located?

The NPPES record lists a practice address at 20101 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 866-3400. Providers update this record themselves, so call before visiting.

How can I verify Phassarin Chansakul, MD's license?

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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.