Christopher Michael Knauer, MD
Gastroenterology Physician · San Jose, CA
Christopher Michael Knauer, MD is a gastroenterology physician with a practice address in San Jose, California, and NPI 1881894194, issued on Jul 24, 2007. Check the license (California A17641, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Christopher Michael Knauer
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A17641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 751 S Bascom Ave, San Jose, CA 95128
- Phone
- (408) 885-5000
- Enumerated
- Jul 24, 2007
- Record last updated
- Jul 24, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00A176410 CA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
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Verify Christopher Michael Knauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A17641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Christopher Michael Knauer among 2,140 gastroenterology physician records in California
Christopher Michael Knauer, 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 not. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileNo · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in San Jose → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Chui, MDSan Jose, CA 951281942373998
- Michael Fogel, MDSan Jose, CA 951281669598157
- Ahmad Kamal, MDSan Jose, CA 951281598703787
- Richard Kramer, MDSan Jose, CA 951281467416362
- Brian Levitt, M.D.San Jose, CA 951281235257759
- David Lin, M.D.San Jose, CA 951281386910560
- Christopher Rombaoa, M.D.San Jose, CA 951281225457211
- Nimeesh Shah, MDSan Jose, CA 951281740308592
Common questions
What is Christopher Michael Knauer, MD's NPI number?
Christopher Michael Knauer, MD's National Provider Identifier (NPI) is 1881894194, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Michael Knauer, MD located?
The NPPES record lists a practice address at 751 S Bascom Ave, San Jose, CA, 95128. Phone: (408) 885-5000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Michael Knauer, MD's license?
NPPES lists California license number A17641, 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.