DEIRDRE JUDITH LYELL MD
NPI 1821130865
Obstetrics & Gynecology - Maternal & Fetal Medicine in Palo Alto, CA

Q: What is Deirdre Lyell's NPI number?

The NPI number for Deirdre Lyell is 1821130865. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Q: What is Deirdre Lyell's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Deirdre Lyell was last updated on April 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 13, 2007PECOS EnrolledAccepts Medicare Assignment

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: April 26, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Deirdre Judith Lyell Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEIRDRE JUDITH LYELL MD (NPI 1821130865) is an individual maternal & fetal medicine provider in Palo Alto, California, licensed in California (A72758) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1996).

NPPES Registry Identity

NPI1821130865

Entity TypeIndividualFemale

Primary Taxonomy207VM0101X

Provider Legal NameDEIRDRE JUDITH LYELLCredential: MD

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 498-5391

Phone(650) 497-8000

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1996

Enumeration DateFebruary 13, 2007

Last NPPES UpdateApril 26, 2024

NPPES CertifiedApril 26, 2024

✔ NPI 1821130865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

License✔ Licensed in CA · A72758

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License A72758 (CA)

725 WELCH RD, Palo Alto, CA 94304

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Deirdre Judith Lyell Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537194014

PECOS Enrollment IDI20051004000324

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)