Sithu Lin, M.D.
Nephrology Physician · Fountain Valley, CA
Sithu Lin, M.D. is a nephrology physician with a practice address in Fountain Valley, California, and NPI 1023417649, issued on Aug 19, 2014. Check the license (California A-143411, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sithu Lin
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A-143411 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Warner Ave Ste 218, Fountain Valley, CA 92708
- Phone
- (714) 641-9696
- Enumerated
- Aug 19, 2014
- Record last updated
- Jul 11, 2023
- Medicare enrollment
- Enrolled (PECOS I20230710002543); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 11100 Warner Ave Ste 218
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Cantillep, MDNephrology Physician1639517808
- Thanh Cao, D.O.Nephrology Physician1073963583
- Sandeep Dang, M.D.Nephrology Physician1730146937
- Michael Floied, P.A.C.Physician Assistant1730477514
- Bich Thu NguyenNurse Practitioner1841912771
- John Ong, DONephrology Physician1477056406
Verify Sithu Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A-143411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average nephrology physician in 2024
801 Medicare Part D claims for 179 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide113 claims
- Amlodipine Besylate78 claims
- Calcitriol63 claims
- Losartan Potassium52 claims
- Allopurinol47 claims
- Bumetanide30 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: $626.99
13 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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 2 group practices
- Centurion Valley Healthcare IncModesto, CA
- Golden Valley Health CentersModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sithu Lin among 1,468 nephrology physician records in California
Sithu 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 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2006 · 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 Fountain Valley → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Zavier Ahmed, M.D.Fountain Valley, CA 927081255677134
- Sandeep Dang, M.D.Fountain Valley, CA 927081730146937
- Son Dinh, M.D.Fountain Valley, CA 927081174564256
- Lalitha Durairaj, MDFountain Valley, CA 927081306894548
- Afsaneh Haftbaradaran Mohammadi, M.D.Fountain Valley, CA 927081902040009
- Joginder Jodhka, MDFountain Valley, CA 927081558379503
- Gaytri Manek, MDFountain Valley, CA 927081124298237
- Tarun Marwaha, M.D.Fountain Valley, CA 927081407964976
Common questions
What is Sithu Lin, M.D.'s NPI number?
Sithu Lin, M.D.'s National Provider Identifier (NPI) is 1023417649, issued on Aug 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sithu Lin, M.D. located?
The NPPES record lists a practice address at 11100 Warner Ave Ste 218, Fountain Valley, CA, 92708. Phone: (714) 641-9696. Providers update this record themselves, so call before visiting.
How can I verify Sithu Lin, M.D.'s license?
NPPES lists California license number A-143411, 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 Sithu Lin, M.D. prescribe under Medicare Part D?
In 2024, Sithu Lin, M.D. had 801 Medicare Part D claims for 179 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.