Shankarlingam Sainath, M.D., F.A.C.C.
Cardiovascular Disease Physician · Fountain Valley, CA
Shankarlingam Sainath, M.D., F.A.C.C. is a cardiovascular disease physician with a practice address in Fountain Valley, California, and NPI 1811050081, issued on Dec 19, 2006. Check the license (California A25691, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shankarlingam Sainath
- Credential
- M.D., F.A.C.C.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A25691 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 540-9911
- Enumerated
- Dec 19, 2006
- Record last updated
- Mar 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (714) 549-9720
- Medicaid ID
- ZZZ71176Z CA
- Medicare enrollment
- Enrolled (PECOS I20120329000643); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 11100 Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reginald Abraham, M DThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720042864
- Joel Berman, M.D.Surgery Physician1790724490
- Bao Bui, M.D.Cardiovascular Disease Physician1801099593
- Andrew Ceavatta, M.D.Dermatology Physician1164486965
- Maria Crosby, PTPhysical Therapist1891709739
- Himmet Dajee, MDSpecialist1124082730
Verify Shankarlingam Sainath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,007 Medicare Part D claims for 75 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis55 claims
- Atorvastatin Calcium53 claims
- Carvedilol50 claims
- Rosuvastatin Calcium50 claims
- Metoprolol Tartrate47 claims
- Amlodipine Besylate38 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
- Fountain Valley Cardiology Medical Clinic IncFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shankarlingam Sainath among 2,574 cardiovascular disease physician records in California
Shankarlingam Sainath, M.D., F.A.C.C. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1970 · median 1999 among the 1,742 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Fountain Valley → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Bao Bui, M.D.Fountain Valley, CA 927081801099593
- Simon Cheung, M.D.Fountain Valley, CA 927081841370210
- Amanda Donohue, D.O.Fountain Valley, CA 927081750587143
- Sarah Elsayed, M.D.Fountain Valley, CA 927081396049029
- Robert Greenfield, MDFountain Valley, CA 927081649307000
- Steven Le, M.D.Fountain Valley, CA 927081780835801
- Arvind Nirula, M.D.Fountain Valley, CA 927081437285095
- Sanjiv Patel, M.D.Fountain Valley, CA 927081982801718
Common questions
What is Shankarlingam Sainath, M.D., F.A.C.C.'s NPI number?
Shankarlingam Sainath, M.D., F.A.C.C.'s National Provider Identifier (NPI) is 1811050081, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shankarlingam Sainath, M.D., F.A.C.C. located?
The NPPES record lists a practice address at 11100 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 540-9911. Providers update this record themselves, so call before visiting.
How can I verify Shankarlingam Sainath, M.D., F.A.C.C.'s license?
NPPES lists California license number A25691, 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 Shankarlingam Sainath, M.D., F.A.C.C. prescribe under Medicare Part D?
In 2024, Shankarlingam Sainath, M.D., F.A.C.C. had 1,007 Medicare Part D claims for 75 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.