NPPES file of Aug 9, 2026

Deena Patel, D.O.

Hospitalist Physician · Fontana, CA

Deena Patel, D.O. is a hospitalist physician with a practice address in Fontana, California, and NPI 1437594959, issued on May 10, 2013. Check the license (California 14834, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437594959
Name
Deena Patel
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
14834 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave Ofc Room5406, Fontana, CA 92335
Phone
(909) 302-4505
Enumerated
May 10, 2013
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 302-4506
Medicare enrollment
Enrolled (PECOS I20161201002393); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Deena Patel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 14834
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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64% fewer Medicare Part D claims than the average hospitalist physician in 2024

189 Medicare Part D claims for 71 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Deena Patel189
  2. Specialty average521

Most prescribed

  1. Metoprolol Tartrate11 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

  1. 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).

Deena Patel among 3,099 hospitalist physician records in California

Deena Patel, D.O. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.

  • NPI issued2013 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2013 · median 2010 among the 2,505 with a school on file
  • Record last updated2021 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Andrew Cha, D.OFontana, CA 923351508832940
  2. Seonah Cho, MDFontana, CA 923351841495892
  3. Tania Choudhary, MDFontana, CA 923351508354176
  4. James Dinh, M.D.Fontana, CA 923351104915081
  5. Thoyaja Koritala, M.D.Fontana, CA 923351528354024
  6. Julia Shih, DOFontana, CA 923351871121517
  7. Fouzia Usman, M.D.Fontana, CA 923351265966873
  8. Lorien Wallace, DOFontana, CA 923351518220722

Common questions

What is Deena Patel, D.O.'s NPI number?

Deena Patel, D.O.'s National Provider Identifier (NPI) is 1437594959, issued on May 10, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Deena Patel, D.O. located?

The NPPES record lists a practice address at 9961 Sierra Ave Ofc Room5406, Fontana, CA, 92335. Phone: (909) 302-4505. Providers update this record themselves, so call before visiting.

How can I verify Deena Patel, D.O.'s license?

NPPES lists California license number 14834, 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 Deena Patel, D.O. prescribe under Medicare Part D?

In 2024, Deena Patel, D.O. had 189 Medicare Part D claims for 71 beneficiaries; the average among hospitalist physician prescribers was 521. 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.