Lillian Swiersz, MD
Reproductive Endocrinology Physician · Palo Alto, CA
Lillian Swiersz, MD is a reproductive endocrinology physician with a practice address in Palo Alto, California, and NPI 1528134566, issued on Nov 28, 2006. Check the license (California G77806, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lillian Swiersz
- Credential
- MD
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- G77806 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-2200
- Enumerated
- Nov 28, 2006
- Record last updated
- Jul 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (650) 853-2237
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 267 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nana Efua Adabie, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1437647732
- Amy Adams, M.D.Dermatology Physician1679643928
- William Adams, DPMFoot & Ankle Surgery Podiatrist1447487830
Verify Lillian Swiersz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $87.06
5 payments; by number, the most common kind was food and beverage; the largest payer was Cranial Technologies, Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lillian Swiersz among 267 reproductive endocrinology physician records in California
Lillian Swiersz, MD is one of 267 reproductive endocrinology physician records with a practice address in California. 70% 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 · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2013 · 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 207VE0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in California
There are 267 reproductive endocrinology physician records in California.
All 267 in California → Every provider in Palo Alto → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Salli Tazuke, M.D.Palo Alto, CA 943011497843742
- Mary Abusief, M.D.East Palo Alto, CA 943031639206733
- Lusine Aghajanova, MDPalo Alto, CA 943041427315522
- Ruben Alvero, MDPalo Alto, CA 943041861506917
- Rth Lathi, MDPalo Alto, CA 943041588706741
- Amin Milki, MDPalo Alto, CA 943041528100476
- Brent Monseur, MDPalo Alto, CA 943041659735181
- Bo Yu, MDPalo Alto, CA 943041861651143
Common questions
What is Lillian Swiersz, MD's NPI number?
Lillian Swiersz, MD's National Provider Identifier (NPI) is 1528134566, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lillian Swiersz, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-2200. Providers update this record themselves, so call before visiting.
How can I verify Lillian Swiersz, MD's license?
NPPES lists California license number G77806, 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.