NPPES file of Aug 9, 2026

Dileep Kumar, M.D.

Internal Medicine Physician · Antioch, CA

Dileep Kumar, M.D. is an internal medicine physician with a practice address in Antioch, California, and NPI 1649290206, issued on Jul 19, 2006. Check the license (California C42408, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1649290206
Name
Dileep Kumar
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C42408 CA
Self-reported in NPPES; status is on the state search
Practice location
3505 Lone Tree Way, Antioch, CA 94509
Phone
(925) 757-5790
Enumerated
Jul 19, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 757-0849
Medicaid ID
00C424080 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3505 Lone Tree Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Suraj Cherry, MDOphthalmology Physician1134178643
  2. Robert KennedyPeriodontics1720197536
  3. Vandana Kumar, NPFamily Nurse Practitioner1184395147

Verify Dileep Kumar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C42408
    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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Dileep Kumar among 17,696 internal medicine physician records in California

Dileep Kumar, 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 not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2007 · 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).

66 internal medicine physician records list a practice address in Antioch

They are 66 of the 2,184 NPPES records with a practice address in Antioch, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nazish Ali, M.D.Antioch, CA 945091932121498
  2. Irina Bronstein, MDAntioch, CA 945091972681039
  3. Anita Cherian, MDAntioch, CA 945091306924402
  4. Carl Corrigan, MDAntioch, CA 945091285712349
  5. Waldo Ferrer, MDAntioch, CA 945091881772978
  6. P. Gunanayagam, MDAntioch, CA 945091811075997
  7. Kishore Maskey, MDAntioch, CA 945091568540631
  8. Nahid Nazminia, MDAntioch, CA 945091831277326

Common questions

What is Dileep Kumar, M.D.'s NPI number?

Dileep Kumar, M.D.'s National Provider Identifier (NPI) is 1649290206, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dileep Kumar, M.D. located?

The NPPES record lists a practice address at 3505 Lone Tree Way, Antioch, CA, 94509. Phone: (925) 757-5790. Providers update this record themselves, so call before visiting.

How can I verify Dileep Kumar, M.D.'s license?

NPPES lists California license number C42408, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.