NPPES file of Aug 9, 2026

Alexander P. Kim, DO

Gastroenterology Physician · Yuba City, CA

Alexander P. Kim, DO is a gastroenterology physician with a practice address in Yuba City, California, and NPI 1265504583, issued on Nov 14, 2006. Check the license (California 20A8742, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265504583
Name
Alexander P. Kim
Credential
DO
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
20A8742 CA
Self-reported in NPPES; status is on the state search
Practice location
870 Shasta St Ste 200, Yuba City, CA 95991
Phone
(530) 671-3671
Enumerated
Nov 14, 2006
Record last updated
Sep 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120830000050); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1999
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 Alexander P. Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8742
    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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3.3 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,676 Medicare Part D claims for 739 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Alexander Kim2,676
  2. Specialty average811

Most prescribed

  1. Omeprazole534 claims
  2. Pantoprazole Sodium456 claims
  3. Linzess157 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf114 claims
  5. Famotidine81 claims
  6. Peg 3350-Electrolyte75 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,925.74

184 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Alexander Kim$3,925.74
  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.

Bills Medicare through one group practice

  1. North Valley Gastroenterology Medical Group IncYuba City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander P. Kim among 2,140 gastroenterology physician records in California

Alexander P. Kim, DO 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 fileYes · 72% of these records are
  • Graduated1999 · median 2002 among the 1,538 with a school on file
  • Record last updated2012 · 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. Ken Chow, M.D.Yuba City, CA 959911699781203
  2. Siva Doma, M.D.Yuba City, CA 959911700819422
  3. Ifeanyi Igwegbe, M.D.Yuba City, CA 959911073620217
  4. Jon Marsh, M.D.Yuba City, CA 959911467468090
  5. Sean May, M.D.Yuba City, CA 959911134136989
  6. Kosuke Tokunaga, M.D.Yuba City, CA 959911578571626
  7. Chandra Veluru, MDYuba City, CA 959911750595443
  8. Prathibha Chandrasekaran, M.D.Redding, CA 960011114985819

Common questions

What is Alexander P. Kim, DO's NPI number?

Alexander P. Kim, DO's National Provider Identifier (NPI) is 1265504583, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander P. Kim, DO located?

The NPPES record lists a practice address at 870 Shasta St Ste 200, Yuba City, CA, 95991. Phone: (530) 671-3671. Providers update this record themselves, so call before visiting.

How can I verify Alexander P. Kim, DO's license?

NPPES lists California license number 20A8742, 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 Alexander P. Kim, DO prescribe under Medicare Part D?

In 2024, Alexander P. Kim, DO had 2,676 Medicare Part D claims for 739 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Alexander P. Kim, DO's MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.