NPPES file of Aug 9, 2026

Danish Abbas, M.D.

Internal Medicine Physician · Fontana, CA

Danish Abbas, M.D. is an internal medicine physician with a practice address in Fontana, California, and NPI 1104267053, issued on Jul 8, 2013. Check the license (California 39020000X, 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
1104267053
Name
Danish Abbas
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
39020000X CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave FL Mob26, Fontana, CA 92335
Phone
(909) 427-2608
Enumerated
Jul 8, 2013
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160822001856); 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 Danish Abbas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 39020000X
    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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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

90 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Danish Abbas90
  2. Specialty average3,176

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).

Danish Abbas among 17,696 internal medicine physician records in California

Danish Abbas, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 71% of them.

  • NPI issued2013 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Te-Ie Lee, M.D.Fontana, CA 923351982613931
  2. Hollis Lee, MDFontana, CA 923351588736060
  3. Hoveda Mufti, M.D.Fontana, CA 923351598871493
  4. J Duc Nguyen, M.D.Fontana, CA 923351427018456
  5. Joseph Paredes, MDFontana, CA 923351457422420
  6. Ramesh Patel, MDFontana, CA 923351750480810
  7. Alex Quan, MDFontana, CA 923351659442630
  8. Gregory Shimizu, MDFontana, CA 923351154492130

Common questions

What is Danish Abbas, M.D.'s NPI number?

Danish Abbas, M.D.'s National Provider Identifier (NPI) is 1104267053, issued on Jul 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Danish Abbas, M.D. located?

The NPPES record lists a practice address at 9961 Sierra Ave FL Mob26, Fontana, CA, 92335. Phone: (909) 427-2608. Providers update this record themselves, so call before visiting.

How can I verify Danish Abbas, M.D.'s license?

NPPES lists California license number 39020000X, 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 Danish Abbas, M.D. prescribe under Medicare Part D?

In 2024, Danish Abbas, M.D. had 90 Medicare Part D claims for 46 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.