Lynda A. Frassetto, M.D.
Nephrology Physician · Concord, CA
Lynda A. Frassetto, M.D. is a nephrology physician with a practice address in Concord, California, and NPI 1588695472, issued on Jul 6, 2006. Check the license (California G61802, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lynda A. Frassetto
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G61802 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 6, 2006
- Record last updated
- Jan 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20080228000785); accepts Medicare assignment
- 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
- Rajeev Kaul, M.B.B.SNephrology Physician1336198183
- Sarah Woon, M.D.Nephrology Physician1629094560
Verify Lynda A. Frassetto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G61802Check 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
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynda A. Frassetto among 1,468 nephrology physician records in California
Lynda A. Frassetto, 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
- Graduated1982 · median 2001 among the 1,128 with a school on file
- Record last updated2025 · 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
- 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
- Leena Ray, MDConcord, CA 945201679574693
Common questions
What is Lynda A. Frassetto, M.D.'s NPI number?
Lynda A. Frassetto, M.D.'s National Provider Identifier (NPI) is 1588695472, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynda A. Frassetto, 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 Lynda A. Frassetto, M.D.'s license?
NPPES lists California license number G61802, 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.