Andrew Lin, M.D.
Nephrology Physician · Walnut Creek, CA
Andrew Lin, M.D. is a nephrology physician with a practice address in Walnut Creek, California, and NPI 1558484857, issued on Apr 9, 2007. Check the license (California A99209, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Lin
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A99209 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Newell Ave, Walnut Creek, CA 94596
- Phone
- (925) 295-6333
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20080606000485); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 1515 Newell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hannelore Harwood, NPWomen's Health Nurse Practitioner1063599272
- Serena LinObstetrics & Gynecology Physician1366650889
- Jonathan Nguyen, M.D.Internal Medicine Physician1922549138
- Geraldine Shirzai, MDGynecology Physician1609404284
Verify Andrew Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average nephrology physician in 2024
525 Medicare Part D claims for 130 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 22 claims were for opioids.
Most prescribed
- Jardiance62 claims
- Furosemide43 claims
- Lisinopril41 claims
- Amlodipine Besylate37 claims
- Losartan Potassium31 claims
- Sevelamer Carbonate30 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.
Industry payments in 2024: $18.87
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Bills Medicare through one group practice
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Lin among 1,468 nephrology physician records in California
Andrew Lin, 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 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2005 · median 2001 among the 1,128 with a school on file
- Record last updated2023 · 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 Walnut Creek → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Manasi Bapat, MDWalnut Creek, CA 945961861834996
- Sylvia Chi-Wu, MDWalnut Creek, CA 945961144308230
- Jamal Mogannam, MDWalnut Creek, CA 945961053483891
- John Valdin, MDWalnut Creek, CA 945961609954767
- May Chiu, MDWalnut Creek, CA 945981407857329
- Mario Curzi, MDWalnut Creek, CA 945981336140359
- Robert Davies, MDWalnut Creek, CA 945981215937933
- Carol Diraimondo, MDWalnut Creek, CA 945981265433288
Common questions
What is Andrew Lin, M.D.'s NPI number?
Andrew Lin, M.D.'s National Provider Identifier (NPI) is 1558484857, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Lin, M.D. located?
The NPPES record lists a practice address at 1515 Newell Ave, Walnut Creek, CA, 94596. Phone: (925) 295-6333. Providers update this record themselves, so call before visiting.
How can I verify Andrew Lin, M.D.'s license?
NPPES lists California license number A99209, 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 Andrew Lin, M.D. prescribe under Medicare Part D?
In 2024, Andrew Lin, M.D. had 525 Medicare Part D claims for 130 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.