NPPES file of Aug 9, 2026

Dawn Heather Siegel, MD

Pediatric Dermatology Physician · Palo Alto, CA

Dawn Heather Siegel, MD is a pediatric dermatology physician with a practice address in Palo Alto, California, and NPI 1558429621, issued on Dec 4, 2006. Check the license (California A70743, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558429621
Name
Dawn Heather Siegel
Credential
MD
Primary taxonomy
Pediatric Dermatology Physician 207NP0225X
License numbers
A70743 CA
54726 WI
Self-reported in NPPES; status is on the state search
Practice location
725 Welch RD, Palo Alto, CA 94304
Phone
(650) 497-8000
Enumerated
Dec 4, 2006
Record last updated
Apr 16, 2024
Medicaid ID
1558429621 WI
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 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 Dawn Heather Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A70743
    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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Industry payments in 2024: $696.78

5 payments; by number, the most common kind was food and beverage; the largest payer was Pierre Fabre Pharmaceuticals, Inc. The 158 providers of this specialty with any payment received $17,739.76 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dawn Siegel$697
  2. Specialty average$17,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Dawn Heather Siegel among 39 pediatric dermatology physician records in California

Dawn Heather Siegel, MD is one of 39 pediatric dermatology physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2024 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207NP0225X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Dermatology Physician providers in California

There are 39 pediatric dermatology physician records in California.

The 8 pediatric dermatology physician records with the nearest ZIP codes

  1. Derek Chu, MDPalo Alto, CA 943041275827404
  2. Shireen Guide, MDPalo Alto, CA 943041033287180
  3. Chaw-Ning Lee, MD, PHDPalo Alto, CA 943041891685640
  4. Ramrada Lekwuttikarn, MDPalo Alto, CA 943041265318380
  5. Ann Marqueling, MDPalo Alto, CA 943041932379088
  6. Ilka Netravali, MDPalo Alto, CA 943041942658653
  7. Joyce Teng, MDPalo Alto, CA 943041801850854
  8. Shehla Admani, MDStanford, CA 943051073805248

Common questions

What is Dawn Heather Siegel, MD's NPI number?

Dawn Heather Siegel, MD's National Provider Identifier (NPI) is 1558429621, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dawn Heather Siegel, 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 Dawn Heather Siegel, MD's license?

NPPES lists California license number A70743, 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.