Sarah Elizabeth Woon, M.D.
Nephrology Physician · Concord, CA
Sarah Elizabeth Woon, M.D. is a nephrology physician with a practice address in Concord, California, and NPI 1629094560, issued on Jul 14, 2006. Check the license (California A98029, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Elizabeth Woon
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A98029 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2485 High School Ave Ste 311, Concord, CA 94520
- Phone
- (925) 687-7272
- Enumerated
- Jul 14, 2006
- Record last updated
- Jan 25, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140724000223); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 2485 High School Ave Ste 311
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Smitha Anam, M.DNephrology Physician1093033276
- Lynda Frassetto, M.D.Nephrology Physician1588695472
- Rajeev Kaul, M.B.B.SNephrology Physician1336198183
Verify Sarah Elizabeth Woon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average nephrology physician in 2024
1,560 Medicare Part D claims for 291 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Calcitriol183 claims
- Losartan Potassium131 claims
- Lisinopril122 claims
- Amlodipine Besylate101 claims
- Hydralazine Hcl83 claims
- Furosemide80 claims
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.
Bills Medicare through one group practice
- Permanente Medical Group IncNovato, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Elizabeth Woon among 1,468 nephrology physician records in California
Sarah Elizabeth Woon, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% 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, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2003 · median 2001 among the 1,128 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Concord → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Smitha Anam, M.DConcord, CA 945201093033276
- Lynda Frassetto, M.D.Concord, CA 945201588695472
- Chenyin He, MDConcord, CA 945201184833857
- Ileana Helms, MDConcord, CA 945201225039142
- Vijay Jain, MDConcord, CA 945201407938632
- Rajeev Kaul, M.B.B.SConcord, CA 945201336198183
- Edward Kim, MDConcord, CA 945201679619092
- Jason LawConcord, CA 945201114345006
Common questions
What is Sarah Elizabeth Woon, M.D.'s NPI number?
Sarah Elizabeth Woon, M.D.'s National Provider Identifier (NPI) is 1629094560, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Elizabeth Woon, M.D. located?
The NPPES record lists a practice address at 2485 High School Ave Ste 311, Concord, CA, 94520. Phone: (925) 687-7272. Providers update this record themselves, so call before visiting.
How can I verify Sarah Elizabeth Woon, M.D.'s license?
NPPES lists California license number A98029, 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 Sarah Elizabeth Woon, M.D. prescribe under Medicare Part D?
In 2024, Sarah Elizabeth Woon, M.D. had 1,560 Medicare Part D claims for 291 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.