Donald Lewis Davies, M.D.
Psychiatry Physician · Aptos, CA
Donald Lewis Davies, M.D. is a psychiatry physician with a practice address in Aptos, California, and NPI 1972759959, issued on Aug 11, 2008. Check the license (California G36113, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Lewis Davies
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G36113 CA
Self-reported in NPPES; status is on the state search - Practice location
- 605 Nisene Meadows CT, Aptos, CA 95003
- Phone
- (831) 476-9691
- Enumerated
- Aug 11, 2008
- Record last updated
- Nov 29, 2023
- Entity
- Type 1 · individual
Verify Donald Lewis Davies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average psychiatry physician in 2024
216 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl33 claims
- Lamotrigine27 claims
- Quetiapine Fumarate18 claims
- Clonazepam16 claims
- Oxcarbazepine13 claims
- Alprazolam12 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.
8 psychiatry physician records list a practice address in Aptos
They are 8 of the 380 NPPES records with a practice address in Aptos, and 8,673 psychiatry physician records in California.
All 8 in Aptos → All 8,673 in California → Every provider in Aptos →
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 Donald Lewis Davies, M.D.'s NPI number?
Donald Lewis Davies, M.D.'s National Provider Identifier (NPI) is 1972759959, issued on Aug 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Donald Lewis Davies, M.D. located?
The NPPES record lists a practice address at 605 Nisene Meadows CT, Aptos, CA, 95003. Phone: (831) 476-9691. Providers update this record themselves, so call before visiting.
How can I verify Donald Lewis Davies, M.D.'s license?
NPPES lists California license number G36113, 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 Donald Lewis Davies, M.D. prescribe under Medicare Part D?
In 2024, Donald Lewis Davies, M.D. had 216 Medicare Part D claims for 22 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.