Christopher Dvorak, MD
Pediatric Hematology & Oncology Physician · Palo Alto, CA
Christopher Dvorak, MD is a pediatric hematology & oncology physician with a practice address in Palo Alto, California, and NPI 1861527657, issued on Feb 22, 2007. Check the license (California A69570, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Dvorak
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- A69570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 723-4000
- Enumerated
- Feb 22, 2007
- Record last updated
- Mar 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A695780 CA
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 417 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Christopher Dvorak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,840.32
3 payments; by number, the most common kind was consulting fee; the largest payer was Medexus Pharma, Inc. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christopher Dvorak among 417 pediatric hematology & oncology physician records in California
Christopher Dvorak, MD 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. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 47% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2008 · 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.
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
- Aileen Cohen, MDPalo Alto, CA 943041083788814
- Gary Dahl, MDPalo Alto, CA 943041164595856
- Joan Fisher, MDPalo Alto, CA 943041316919731
- Lisa Goodman, MDPalo Alto, CA 943041619079522
- Michael Jeng, MDPalo Alto, CA 943041326104670
- Norman Lacayo, MDPalo Alto, CA 943041770648586
- Louise Lo, MDPalo Alto, CA 943041033137096
- Neyssa Marina, M.D.Palo Alto, CA 943041770648792
Common questions
What is Christopher Dvorak, MD's NPI number?
Christopher Dvorak, MD's National Provider Identifier (NPI) is 1861527657, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Dvorak, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Dvorak, MD's license?
NPPES lists California license number A69570, 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. 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.