Ken Wah Chow, M.D.
Gastroenterology Physician · Yuba City, CA
Ken Wah Chow, M.D. is a gastroenterology physician with a practice address in Yuba City, California, and NPI 1699781203, issued on Aug 1, 2006. Check the license (California G77866, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ken Wah Chow
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G77866 CA
Self-reported in NPPES; status is on the state search - Practice location
- 870 Shasta St, Yuba City, CA 95991
- Phone
- (530) 671-3671
- Enumerated
- Aug 1, 2006
- Record last updated
- Dec 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (530) 671-3980
- Medicare enrollment
- Enrolled (PECOS I20090210000191); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 870 Shasta St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Siva Doma, M.D.Gastroenterology Physician1700819422
- Jon Marsh, M.D.Gastroenterology Physician1467468090
Verify Ken Wah Chow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,691 Medicare Part D claims for 672 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole640 claims
- Pantoprazole Sodium253 claims
- Gavilyte-G214 claims
- Peg-3350 And Electrolytes91 claims
- Esomeprazole Magnesium35 claims
- Gavilyte-C31 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 practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,143.07
179 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.
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
- 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).
Ken Wah Chow among 2,140 gastroenterology physician records in California
Ken Wah Chow, M.D. 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
- Graduated1988 · median 2002 among the 1,538 with a school on file
- Record last updated2010 · 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.
All 2,140 in California → Every provider in Yuba City → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Siva Doma, M.D.Yuba City, CA 959911700819422
- Ifeanyi Igwegbe, M.D.Yuba City, CA 959911073620217
- Alexander Kim, DOYuba City, CA 959911265504583
- Jon Marsh, M.D.Yuba City, CA 959911467468090
- Sean May, M.D.Yuba City, CA 959911134136989
- Kosuke Tokunaga, M.D.Yuba City, CA 959911578571626
- Chandra Veluru, MDYuba City, CA 959911750595443
- Prathibha Chandrasekaran, M.D.Redding, CA 960011114985819
Common questions
What is Ken Wah Chow, M.D.'s NPI number?
Ken Wah Chow, M.D.'s National Provider Identifier (NPI) is 1699781203, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ken Wah Chow, M.D. located?
The NPPES record lists a practice address at 870 Shasta St, Yuba City, CA, 95991. Phone: (530) 671-3671. Providers update this record themselves, so call before visiting.
How can I verify Ken Wah Chow, M.D.'s license?
NPPES lists California license number G77866, 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 Ken Wah Chow, M.D. prescribe under Medicare Part D?
In 2024, Ken Wah Chow, M.D. had 1,691 Medicare Part D claims for 672 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Ken Wah Chow, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.3 of 100, reported for the practice group. 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.