Nehali D. Patel, MD
Gastroenterology Physician · Fontana, CA
Nehali D. Patel, MD is a gastroenterology physician with a practice address in Fontana, California, and NPI 1457514168, issued on Jul 3, 2008. Check the license (California A120571, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nehali D. Patel
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A120571 CA
R73917 AZ
ME110337 FL
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Jul 3, 2008
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 003940400 FL
- Medicare enrollment
- Enrolled (PECOS I20130717000621); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Nehali D. Patel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average gastroenterology physician in 2024
991 Medicare Part D claims for 447 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Gavilyte-C225 claims
- Omeprazole112 claims
- Pantoprazole Sodium95 claims
- Dicyclomine Hcl38 claims
- Xifaxan38 claims
- Cholestyramine37 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
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nehali D. Patel among 2,140 gastroenterology physician records in California
Nehali D. Patel, MD 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 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2008 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 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 Fontana → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Alexander Han, MDFontana, CA 923351790967743
- Patricia Hsia, MDFontana, CA 923351174694087
- Timothy Jenkins, MDFontana, CA 923351205903119
- David Kestenbaum, MDFontana, CA 923351285705236
- Eve Kirschner, MDFontana, CA 923351679640486
- Scott Marnoy, MDFontana, CA 923351104985779
- Timothy McCarter, MDFontana, CA 923351386628402
- Tommy Oei, MDFontana, CA 923351033286844
Common questions
What is Nehali D. Patel, MD's NPI number?
Nehali D. Patel, MD's National Provider Identifier (NPI) is 1457514168, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nehali D. Patel, MD located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify Nehali D. Patel, MD's license?
NPPES lists California license number A120571, 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 Nehali D. Patel, MD prescribe under Medicare Part D?
In 2024, Nehali D. Patel, MD had 991 Medicare Part D claims for 447 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.