Ajit Singh Sawhney, M.D.
Nephrology Physician · Fountain Valley, CA
Ajit Singh Sawhney, M.D. is a nephrology physician with a practice address in Fountain Valley, California, and NPI 1114014438, issued on Oct 6, 2006. Check the license (California A25449, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ajit Singh Sawhney
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A25449 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 641-9696
- Enumerated
- Oct 6, 2006
- Record last updated
- Jan 16, 2026
- Fax
- (714) 641-1211
- Medicare enrollment
- Enrolled (PECOS I20101028000695); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 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.
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Verify Ajit Singh Sawhney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average nephrology physician in 2024
1,666 Medicare Part D claims for 222 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Losartan Potassium177 claims
- Amlodipine Besylate121 claims
- Furosemide92 claims
- Hydralazine Hcl69 claims
- Metoprolol Succinate57 claims
- Farxiga55 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
- Balboa Nephrology Medical Group IncFountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajit Singh Sawhney among 1,468 nephrology physician records in California
Ajit Singh Sawhney, 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
- Graduated1968 · median 2001 among the 1,128 with a school on file
- Record last updated2026 · 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 Ajit Singh Sawhney, M.D.'s NPI number?
Ajit Singh Sawhney, M.D.'s National Provider Identifier (NPI) is 1114014438, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ajit Singh Sawhney, M.D. located?
The NPPES record lists a practice address at 11100 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 641-9696. Providers update this record themselves, so call before visiting.
How can I verify Ajit Singh Sawhney, M.D.'s license?
NPPES lists California license number A25449, 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 Ajit Singh Sawhney, M.D. prescribe under Medicare Part D?
In 2024, Ajit Singh Sawhney, M.D. had 1,666 Medicare Part D claims for 222 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.