Kenneth C. Wallis, M.D.
Psychiatry Physician · Davis, CA
Kenneth C. Wallis, M.D. is a psychiatry physician with a practice address in Davis, California, and NPI 1649243692, issued on Feb 9, 2006. Check the license (California C-41960, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth C. Wallis
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C-41960 CA
811674181205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1260 Lake Blvd, Davis, CA 95616
- Phone
- (530) 771-2308
- Enumerated
- Feb 9, 2006
- Record last updated
- Jul 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (530) 771-2309
- Entity
- Type 1 · individual
Also registered at 1260 Lake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rowan Foley, LEPSchool Psychologist1225713845
- Donna Hirschfield, MFTMarriage & Family Therapist1508981192
- Linda Michael, PSY. D.Clinical Psychologist1679608871
- Diane Sommers, PH.D.Psychologist1801940994
Verify Kenneth C. Wallis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C-41960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
146 Medicare Part D claims for 20 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Vraylar13 claims
- Bupropion Xl12 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: $553.41
9 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
22 psychiatry physician records list a practice address in Davis
They are 22 of the 1,711 NPPES records with a practice address in Davis, and 8,673 psychiatry physician records in California.
All 22 in Davis → All 8,673 in California → Every provider in Davis →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Kenneth C. Wallis, M.D.'s NPI number?
Kenneth C. Wallis, M.D.'s National Provider Identifier (NPI) is 1649243692, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth C. Wallis, M.D. located?
The NPPES record lists a practice address at 1260 Lake Blvd, Davis, CA, 95616. Phone: (530) 771-2308. Providers update this record themselves, so call before visiting.
How can I verify Kenneth C. Wallis, M.D.'s license?
NPPES lists California license number C-41960, 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 Kenneth C. Wallis, M.D. prescribe under Medicare Part D?
In 2024, Kenneth C. Wallis, M.D. had 146 Medicare Part D claims for 20 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.