NPPES file of Aug 9, 2026

Sharon Siegel, MD JD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Monte Sereno, CA

Sharon Siegel, MD JD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Monte Sereno, California, and NPI 1255439717, issued on Sep 20, 2006. Check the license (California G00060250, 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
1255439717
Name
Sharon Siegel
Credential
MD JD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
G00060250 CA
Self-reported in NPPES; status is on the state search
Practice location
16220 Greenwood RD, Monte Sereno, CA 95030
Phone
(408) 354-8897
Enumerated
Sep 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00G602501 CA
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.
Download card Updates feed

Verify Sharon 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 G00060250
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

71% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

29 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.

  1. Sharon Siegel29
  2. Specialty average101

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Sharon Siegel among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California

Sharon Siegel, MD JD is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 thoracic surgery (cardiothoracic vascular surgery) physician records list a practice address in Monte Sereno

They are 2 of the 21 NPPES records with a practice address in Monte Sereno, and 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Henry Fee, MDMonte Sereno, CA 950301851349641
  2. Steven Schwartz, MDLos Gatos, CA 950321275574832
  3. Richard Bloom, MDSanta Clara, CA 950511104903053
  4. Alex Dalal, MDSanta Clara, CA 950511710411756
  5. Sumanth Kidambi, MDSanta Clara, CA 950511053722363
  6. Alexander Moskovitz, MDSanta Clara, CA 950511447339585
  7. Shawn Purnell, M.D.Santa Clara, CA 950511235587072
  8. Amod Tendulkar, MDSanta Clara, CA 950511457511628

Common questions

What is Sharon Siegel, MD JD's NPI number?

Sharon Siegel, MD JD's National Provider Identifier (NPI) is 1255439717, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sharon Siegel, MD JD located?

The NPPES record lists a practice address at 16220 Greenwood RD, Monte Sereno, CA, 95030. Phone: (408) 354-8897. Providers update this record themselves, so call before visiting.

How can I verify Sharon Siegel, MD JD's license?

NPPES lists California license number G00060250, 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.

How much does Sharon Siegel, MD JD prescribe under Medicare Part D?

In 2024, Sharon Siegel, MD JD had 29 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

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.