NPPES file of Aug 9, 2026

Seth Adam Hollander, MD

Advanced Heart Failure and Transplant Cardiology Physician · Palo Alto, CA

Seth Adam Hollander, MD is an advanced heart failure and transplant cardiology physician with a practice address in Palo Alto, California, and NPI 1093843245, issued on Mar 1, 2007. Check the license (California A94458, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093843245
Name
Seth Adam Hollander
Credential
MD
Primary taxonomy
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
License number
A94458 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
Mar 1, 2007
Record last updated
Apr 22, 2024
Medicare enrollment
Enrolled (PECOS I20070612000516); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 Seth Adam Hollander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94458
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Lpch Medical Group Div OF LucilePalo Alto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Seth Adam Hollander among 115 advanced heart failure and transplant cardiology physician records in California

Seth Adam Hollander, MD is one of 115 advanced heart failure and transplant cardiology physician records with a practice address in California. 98% 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 29% of them.

  • NPI issued2007 · 29% of these records are older, 59% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 95% of these records are
  • Graduated2004 · median 2007 among the 109 with a school on file
  • Record last updated2024 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Heart Failure and Transplant Cardiology Physician providers in California

There are 115 advanced heart failure and transplant cardiology physician records in California.

The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes

  1. Kevin Alexander, MDStanford, CA 943051487953865
  2. Francois Haddad, MDStanford, CA 943051457493843
  3. Stephanie Hsiao, M.D.Stanford, CA 943051245650456
  4. Masataka Kawana, MDStanford, CA 943051518263029
  5. Kiran Khush, MDStanford, CA 943051386673457
  6. Eldrin Lewis, MDStanford, CA 943051144287442
  7. Petra Mamic, MDStanford, CA 943051548502883
  8. Karim Sallam, MDStanford, CA 943051790968436

Common questions

What is Seth Adam Hollander, MD's NPI number?

Seth Adam Hollander, MD's National Provider Identifier (NPI) is 1093843245, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Seth Adam Hollander, 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 Seth Adam Hollander, MD's license?

NPPES lists California license number A94458, 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.