NPPES file of Aug 9, 2026

Christopher H. Hsu, MD, PHD

Pediatric Hematology & Oncology Physician · Palo Alto, CA

Christopher H. Hsu, MD, PHD is a pediatric hematology & oncology physician with a practice address in Palo Alto, California, and NPI 1134382906, issued on Jul 2, 2008. Check the license (California A112581, 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
1134382906
Name
Christopher H. Hsu
Credential
MD, PHD
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License number
A112581 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 Welch RD, Palo Alto, CA 94304
Phone
(650) 497-8953
Enumerated
Jul 2, 2008
Record last updated
May 5, 2011 (not updated in 15 years: call before relying on the address or phone)
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 pediatric hematology & oncology physician records → All 417 in California → Look up another NPI →

Also registered at 1000 Welch RD

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

  1. Cintia Capasso, AU.D.Audiologist1013941376
  2. Stephen Dryanski, AUDAudiologist1477786440
  3. Joan Fisher, MDPediatric Hematology & Oncology Physician1316919731
  4. Phillip Garfin, M.D., PH.D.Pediatric Hematology & Oncology Physician1023276383
  5. April JohnsonSpeech-Language Pathologist1114195146
  6. Larry Morrill, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1922184993

Verify Christopher H. Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A112581    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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Christopher H. Hsu among 417 pediatric hematology & oncology physician records in California

Christopher H. Hsu, MD, PHD is one of 417 pediatric hematology & oncology physician records with a practice address in California. 53% 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 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 40% newer
  • In a Medicare fileNo · 53% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2011 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 pediatric hematology & oncology physician records list a practice address in Palo Alto

They are 81 of the 7,617 NPPES records with a practice address in Palo Alto, and 417 pediatric hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 417 in California → Every provider in Palo Alto → Pediatric Hematology & Oncology Physician nationwide →

The 8 pediatric hematology & oncology physician records with the nearest ZIP codes

  1. Aileen Cohen, MDPalo Alto, CA 943041083788814
  2. Gary Dahl, MDPalo Alto, CA 943041164595856
  3. Joan Fisher, MDPalo Alto, CA 943041316919731
  4. Lisa Goodman, MDPalo Alto, CA 943041619079522
  5. Michael Jeng, MDPalo Alto, CA 943041326104670
  6. Norman Lacayo, MDPalo Alto, CA 943041770648586
  7. Louise Lo, MDPalo Alto, CA 943041033137096
  8. Neyssa Marina, M.D.Palo Alto, CA 943041770648792

Common questions

What is Christopher H. Hsu, MD, PHD's NPI number?

Christopher H. Hsu, MD, PHD's National Provider Identifier (NPI) is 1134382906, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Christopher H. Hsu, MD, PHD located?

The NPPES record lists a practice address at 1000 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8953. Providers update this record themselves, so call before visiting.

How can I verify Christopher H. Hsu, MD, PHD's license?

NPPES lists California license number A112581, 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.