Elizabeth Sullivan Egan, MD, PHD
Pediatric Infectious Diseases Physician · Palo Alto, CA
Elizabeth Sullivan Egan, MD, PHD is a pediatric infectious diseases physician with a practice address in Palo Alto, California, and NPI 1548443195, issued on Dec 6, 2007. Check the license (California C139865, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Sullivan Egan
- Credential
- MD, PHD
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License number
- C139865 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
- Dec 6, 2007
- Record last updated
- Jan 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20160518002119); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 161 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 Elizabeth Sullivan Egan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C139865Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- 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).
Elizabeth Sullivan Egan among 161 pediatric infectious diseases physician records in California
Elizabeth Sullivan Egan, MD, PHD is one of 161 pediatric infectious diseases physician records with a practice address in California. 48% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 40% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2005 · median 2002 among the 49 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in California
There are 161 pediatric infectious diseases physician records in California.
All 161 in California → Every provider in Palo Alto → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Manuel Amieva, MD,PHDPalo Alto, CA 943041861527095
- Sharon Chen, M.D.Palo Alto, CA 943041952338741
- Hayley Gans, MDPalo Alto, CA 943041629103478
- Samantha Johnston, MDPalo Alto, CA 943041669495370
- Angelle Labeaud, MDPalo Alto, CA 943041326077173
- Grace Lee, MDPalo Alto, CA 943041780766147
- Roshni Mathew, MDPalo Alto, CA 943041902073125
- Anna Minta, MD, MPHPalo Alto, CA 943041841433372
Common questions
What is Elizabeth Sullivan Egan, MD, PHD's NPI number?
Elizabeth Sullivan Egan, MD, PHD's National Provider Identifier (NPI) is 1548443195, issued on Dec 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Sullivan Egan, 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 Elizabeth Sullivan Egan, MD, PHD's license?
NPPES lists California license number C139865, 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.