Davinder Singh, M.D.
Gastroenterology Physician · Fountain Valley, CA
Davinder Singh, M.D. is a gastroenterology physician with a practice address in Fountain Valley, California, and NPI 1114085362, issued on Dec 4, 2006. Check the license (California A25451, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Davinder Singh
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A25451 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 4, 2006
- Record last updated
- Mar 29, 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 I20080114000677); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 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 Davinder Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A25451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gastroenterology physician in 2024
30 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Risperidone13 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $89.58
1 payment: food and beverage; the largest payer was iRhythm Technologies, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- 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).
Davinder Singh among 2,140 gastroenterology physician records in California
Davinder Singh, M.D. is one of 2,140 gastroenterology 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1967 · median 2002 among the 1,538 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Fountain Valley → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jose Luis Aranez, M.D.Fountain Valley, CA 927081932466125
- Erick Argueta, MDFountain Valley, CA 927081083144638
- Fernando Austin, MDFountain Valley, CA 927081174527774
- Babak Firoozi, M.D.Fountain Valley, CA 927081891734828
- Nancy Han, M.D.Fountain Valley, CA 927081609055300
- Lizhou Huang, M.D.Fountain Valley, CA 927081396088977
- Vincent Kao, DOFountain Valley, CA 927081649570268
- Duke Nguyen, MDFountain Valley, CA 927081679557797
Common questions
What is Davinder Singh, M.D.'s NPI number?
Davinder Singh, M.D.'s National Provider Identifier (NPI) is 1114085362, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Davinder Singh, M.D. 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 Davinder Singh, M.D.'s license?
NPPES lists California license number A25451, 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 Davinder Singh, M.D. prescribe under Medicare Part D?
In 2024, Davinder Singh, M.D. had 30 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Davinder Singh, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.