NPPES file of Aug 9, 2026

Gnana Desigan, MD

Gastroenterology Physician · Van Nuys, CA

Gnana Desigan, MD is a gastroenterology physician with a practice address in Van Nuys, California, and NPI 1477580298, issued on Jun 27, 2006. Check the license (California C41859, 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
1477580298
Name
Gnana Desigan
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
C41859 CA
Self-reported in NPPES; status is on the state search
Practice location
6850 Sepulveda Blvd, Van Nuys, CA 91405
Phone
(818) 782-3116
Enumerated
Jun 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(818) 782-3148
Medicaid ID
00C418590 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 6850 Sepulveda Blvd

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

  1. Aziz Berjis, DPMFoot & Ankle Surgery Podiatrist1720163710
  2. Mark Goldstein, MDHematology & Oncology Physician1487758033
  3. Harina MattappallyFamily Nurse Practitioner1942834296
  4. Suman Patel, MDInternal Medicine Physician1437225174
  5. Stanley Rossman, MDHematology & Oncology Physician1578667127
  6. Christina ToInternal Medicine Physician1124336789

Verify Gnana Desigan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C41859
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average gastroenterology physician in 2024

34 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gnana Desigan34
  2. Specialty average811

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.

Gnana Desigan among 2,140 gastroenterology physician records in California

Gnana Desigan, 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2007 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Nagaraj Chetty, MDVan Nuys, CA 914051508975293
  2. Hemant Pande, M.D.Sherman Oaks, CA 914031548306483
  3. Shant Hamamah, MDPanorama City, CA 914021235287285
  4. Gina Lin, MDPanorama City, CA 914021023166063
  5. Arthur Mehlman, MDPanorama City, CA 914021447327259
  6. Anuradha Pappu, MDPanorama City, CA 914021215004189
  7. Jung Park, MDPanorama City, CA 914021174855738
  8. Fredric Schlussel, MDPanorama City, CA 914021497814016

Common questions

What is Gnana Desigan, MD's NPI number?

Gnana Desigan, MD's National Provider Identifier (NPI) is 1477580298, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gnana Desigan, MD located?

The NPPES record lists a practice address at 6850 Sepulveda Blvd, Van Nuys, CA, 91405. Phone: (818) 782-3116. Providers update this record themselves, so call before visiting.

How can I verify Gnana Desigan, MD's license?

NPPES lists California license number C41859, 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 Gnana Desigan, MD prescribe under Medicare Part D?

In 2024, Gnana Desigan, MD had 34 Medicare Part D claims; 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.