Ryan Claus Knueppel, M.D.
Infectious Disease Physician · Santa Clara, CA
Ryan Claus Knueppel, M.D. is an infectious disease physician with a practice address in Santa Clara, California, and NPI 1184896656, issued on Mar 25, 2008. Check the license (California 105175, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Claus Knueppel
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 105175 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Lawrence Expy, Santa Clara, CA 95051
- Phone
- (408) 851-4460
- Enumerated
- Mar 25, 2008
- Record last updated
- Feb 11, 2022
- Fax
- (408) 851-4559
- Medicare enrollment
- Enrolled (PECOS I20081202000361); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2002
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 710 Lawrence Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iype Abraham, M.D.Internal Medicine Physician1578737243
- Oren Abramson, MDPediatric Gastroenterology Physician1265511307
- Jamie Adiarte, PA-CPhysician Assistant1073824413
- Sarah Adut, PHDClinical Psychologist1609484831
- Najla Ahmadzia, M.D.Student in an Organized Health Care Education/Training Program1568692580
- Farhana Ahmed, MDHospitalist Physician1215110002
Verify Ryan Claus Knueppel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 105175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average infectious disease physician in 2024
446 Medicare Part D claims for 187 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Azithromycin107 claims
- Typhim Vi56 claims
- Adacel Tdap53 claims
- Atovaquone-Proguanil Hcl44 claims
- Havrix35 claims
- Rifampin14 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Claus Knueppel among 1,119 infectious disease physician records in California
Ryan Claus Knueppel, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2003 among the 735 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Santa Clara → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jonathan Blum, MDSanta Clara, CA 950511891872735
- Mark Lillo, MDSanta Clara, CA 950511497831325
- Eva Mortensen, MDSanta Clara, CA 950511750455358
- Thomas Deetz, M.D.Santa Cruz, CA 950621336129469
- Taynet Febles, MDSanta Cruz, CA 950621669635082
- Aran Nichol, MDSanta Cruz, CA 950621154477768
- John Kaufmann, MDSanta Cruz, CA 950651265481949
- Nanette Mickiewicz, MDSanta Cruz, CA 950651558319079
Common questions
What is Ryan Claus Knueppel, M.D.'s NPI number?
Ryan Claus Knueppel, M.D.'s National Provider Identifier (NPI) is 1184896656, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Claus Knueppel, M.D. located?
The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-4460. Providers update this record themselves, so call before visiting.
How can I verify Ryan Claus Knueppel, M.D.'s license?
NPPES lists California license number 105175, 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 Ryan Claus Knueppel, M.D. prescribe under Medicare Part D?
In 2024, Ryan Claus Knueppel, M.D. had 446 Medicare Part D claims for 187 beneficiaries; the average among infectious disease physician prescribers was 689. 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.