Mark Henry Chubb, MD PHD
Pediatric Cardiology Physician · Palo Alto, CA
Mark Henry Chubb, MD PHD is a pediatric cardiology physician with a practice address in Palo Alto, California, and NPI 1811542723, issued on Aug 7, 2019. Check the license (California A184264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Henry Chubb
- Credential
- MD PHD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- A184264 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
- Aug 7, 2019
- Record last updated
- Dec 26, 2024
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 363 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 Mark Henry Chubb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A184264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average pediatric cardiology physician in 2024
12 Medicare Part D claims, against an average of 74 among the 518 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $145.09
5 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. The 1,156 providers of this specialty with any payment received $2,864.57 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.
Mark Henry Chubb among 363 pediatric cardiology physician records in California
Mark Henry Chubb, MD PHD is one of 363 pediatric cardiology physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.
- NPI issued2019 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 pediatric cardiology physician records list a practice address in Palo Alto
They are 80 of the 7,617 NPPES records with a practice address in Palo Alto, and 363 pediatric cardiology physician records in California.
All 363 in California → Every provider in Palo Alto → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Christopher Almond, MDPalo Alto, CA 943041326000324
- Dominic Blurton, M.D.Palo Alto, CA 943041750301230
- Stafford Grady, MDPalo Alto, CA 943041003888132
- Beth Kaufman, MDPalo Alto, CA 943041750301073
- Alaina Kipps, MDPalo Alto, CA 943041730143082
- Rhonda Lappen, M.D.Palo Alto, CA 943041902878036
- Cecilio Lopez, MDPalo Alto, CA 943041659345726
- Andrew Maxwell, MDPalo Alto, CA 943041497736201
Common questions
What is Mark Henry Chubb, MD PHD's NPI number?
Mark Henry Chubb, MD PHD's National Provider Identifier (NPI) is 1811542723, issued on Aug 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mark Henry Chubb, MD PHD 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 Mark Henry Chubb, MD PHD's license?
NPPES lists California license number A184264, 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.
How much does Mark Henry Chubb, MD PHD prescribe under Medicare Part D?
In 2024, Mark Henry Chubb, MD PHD had 12 Medicare Part D claims; the average among pediatric cardiology physician prescribers was 74. Part D covers Medicare prescriptions only.
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.