Deirdre Judith Lyell, MD
Maternal & Fetal Medicine Physician · Palo Alto, CA
Deirdre Judith Lyell, MD is a maternal & fetal medicine physician with a practice address in Palo Alto, California, and NPI 1821130865, issued on Feb 13, 2007. Check the license (California A72758, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Deirdre Judith Lyell
- Credential
- MD
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- A72758 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
- Feb 13, 2007
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20051004000324); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 343 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 Deirdre Judith Lyell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A72758Check 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).
Deirdre Judith Lyell among 343 maternal & fetal medicine physician records in California
Deirdre Judith Lyell, MD is one of 343 maternal & fetal medicine physician records with a practice address in California. 61% 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 48% of them.
- NPI issued2007 · 48% of these records are older, 37% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2003 among the 181 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in California
There are 343 maternal & fetal medicine physician records in California.
All 343 in California → Every provider in Palo Alto → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Natali Aziz, MDPalo Alto, CA 943041477518371
- Ylayaly Bianco, MDPalo Alto, CA 943041558421768
- Yair Blumenfeld, MDPalo Alto, CA 943041518077726
- Sylvie Blumstein, MDPalo Alto, CA 943041033296983
- Mark Boddy, MDPalo Alto, CA 943041518059880
- Laura Brodzinsky, MDPalo Alto, CA 943041073655072
- Yasser El-Sayed, MDPalo Alto, CA 943041548302482
- Luis Garcia, MDPalo Alto, CA 943041861542664
Common questions
What is Deirdre Judith Lyell, MD's NPI number?
Deirdre Judith Lyell, MD's National Provider Identifier (NPI) is 1821130865, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Deirdre Judith Lyell, 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 Deirdre Judith Lyell, MD's license?
NPPES lists California license number A72758, 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.