Darpan Patel, D.O.
Internal Medicine Physician · Fontana, CA
Darpan Patel, D.O. is an internal medicine physician with a practice address in Fontana, California, and NPI 1700131059, issued on Jul 23, 2012. Check the license (California 20A13983, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darpan Patel
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A13983 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave., Fontana, CA 92335
- Phone
- (909) 302-4500
- Enumerated
- Jul 23, 2012
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151120000850); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 9961 Sierra Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nathan Portugues, RRT-SDS, RPSGTRegistered Respiratory Therapist1013495084
- Zakiyyah Rasheed, D.O.Emergency Medicine Physician1538320874
Verify Darpan Patel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
230 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide27 claims
- Clopidogrel12 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: $38.64
2 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- 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).
111 internal medicine physician records list a practice address in Fontana
They are 111 of the 3,012 NPPES records with a practice address in Fontana, and 17,696 internal medicine physician records in California.
All 111 in Fontana → All 17,696 in California → Every provider in Fontana →
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Darpan Patel, D.O.'s NPI number?
Darpan Patel, D.O.'s National Provider Identifier (NPI) is 1700131059, issued on Jul 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Darpan Patel, D.O. located?
The NPPES record lists a practice address at 9961 Sierra Ave., Fontana, CA, 92335. Phone: (909) 302-4500. Providers update this record themselves, so call before visiting.
How can I verify Darpan Patel, D.O.'s license?
NPPES lists California license number 20A13983, 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 Darpan Patel, D.O. prescribe under Medicare Part D?
In 2024, Darpan Patel, D.O. had 230 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.