NPPES file of Aug 9, 2026

Kumkum Sarkar Patel, M.D., MPH

Gastroenterology Physician · Fullerton, CA

Kumkum Sarkar Patel, M.D., MPH is a gastroenterology physician with a practice address in Fullerton, California, and NPI 1003178138, issued on Jun 14, 2012. Check the license (California A163386, 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
1003178138
Name
Kumkum Sarkar Patel
Credential
M.D., MPH
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A163386 CA
036137725 IL
Self-reported in NPPES; status is on the state search
Practice location
1837 Sunny Crest Dr, Fullerton, CA 92835
Phone
(714) 446-5831
Enumerated
Jun 14, 2012
Record last updated
May 7, 2024
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 1837 Sunny Crest Dr

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

  1. Martin Carr, M.D.Gastroenterology Physician1326034265
  2. Maica Javien, NP-CFamily Nurse Practitioner1255086443
  3. Patrick Koo, MDGastroenterology Physician1801152772
  4. Thu Le, FNPFamily Nurse Practitioner1033698915
  5. Erica Lee, NPFamily Nurse Practitioner1013506740
  6. Sajen Mathews, MDGastroenterology Physician1326048323

Verify Kumkum Sarkar 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 A163386
    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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76% fewer Medicare Part D claims than the average gastroenterology physician in 2024

195 Medicare Part D claims for 99 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Kumkum Patel195
  2. Specialty average811

Most prescribed

  1. Nortriptyline Hcl50 claims
  2. Pantoprazole Sodium35 claims
  3. Trulance14 claims
  4. Gavilyte-C13 claims
  5. Linzess11 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: $3,169.06

30 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kumkum Patel$3,169.06
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Kumkum Sarkar Patel among 2,140 gastroenterology physician records in California

Kumkum Sarkar Patel, M.D., MPH 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 2012, is newer than 77% of them.

  • NPI issued2012 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2024 · 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. Martin Carr, M.D.Fullerton, CA 928351326034265
  2. Patrick Koo, MDFullerton, CA 928351801152772
  3. Sajen Mathews, MDFullerton, CA 928351326048323
  4. Yeeshun Miao, M.D.Fullerton, CA 928351518953983
  5. Vijay Prabhakar, M.D.Fullerton, CA 928351932593167
  6. Scott Sainburg, M.D.Fullerton, CA 928351184610552
  7. Eugene Yoon, M.D.Fullerton, CA 928351861618449
  8. Richard McGuire, M.D.Fullerton, CA 928321437196730

Common questions

What is Kumkum Sarkar Patel, M.D., MPH's NPI number?

Kumkum Sarkar Patel, M.D., MPH's National Provider Identifier (NPI) is 1003178138, issued on Jun 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kumkum Sarkar Patel, M.D., MPH located?

The NPPES record lists a practice address at 1837 Sunny Crest Dr, Fullerton, CA, 92835. Phone: (714) 446-5831. Providers update this record themselves, so call before visiting.

How can I verify Kumkum Sarkar Patel, M.D., MPH's license?

NPPES lists California license number A163386, 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 Kumkum Sarkar Patel, M.D., MPH prescribe under Medicare Part D?

In 2024, Kumkum Sarkar Patel, M.D., MPH had 195 Medicare Part D claims for 99 beneficiaries; 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.