NPPES file of Aug 9, 2026

David Edward Powles, M.D.

Psychiatry Physician · San Luis Obispo, CA

David Edward Powles, M.D. is a psychiatry physician with a practice address in San Luis Obispo, California, and NPI 1962590885, issued on Oct 10, 2006. Check the license (California G36054, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962590885
Name
David Edward Powles
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G36054 CA
Self-reported in NPPES; status is on the state search
Practice location
1110 California Blvd, San Luis Obispo, CA 93401
Phone
(805) 546-2104
Enumerated
Oct 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(805) 545-7716
Medicare enrollment
Enrolled (PECOS I20071127000458); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1976
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1110 California Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. L. Jeannette Davis, D.S.W.Clinical Social Worker1932328903
  2. Jane Jorgensen, LMFTMarriage & Family Therapist1952406126
  3. Heidi Lewin-Miller, LMFT, RDMental Health Counselor1871769729

Verify David Edward Powles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G36054
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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74% fewer Medicare Part D claims than the average psychiatry physician in 2024

260 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. David Powles260
  2. Specialty average1,000

Most prescribed

  1. Quetiapine Fumarate32 claims
  2. Aripiprazole31 claims
  3. Haloperidol Decanoate18 claims
  4. Bupropion Xl15 claims
  5. Lamotrigine14 claims
  6. Olanzapine Odt13 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: $32.77

1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, 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.

  1. David Powles$32.77
  2. Specialty average$4,954.93

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

  1. County OF San Luis ObispoSan Luis Obispo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Edward Powles among 8,673 psychiatry physician records in California

David Edward Powles, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1976 · median 2005 among the 3,295 with a school on file
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 psychiatry physician records list a practice address in San Luis Obispo

They are 39 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Abdellatif Aichouri, M.D., PH.DSan Luis Obispo, CA 934011871523019
  2. Richard Altesman, MDSan Luis Obispo, CA 934011730292350
  3. Margaret Bauman, M.D.San Luis Obispo, CA 934011184654337
  4. John Cannell, MDSan Luis Obispo, CA 934011114979374
  5. Rose Drago, MDSan Luis Obispo, CA 934011306904982
  6. Elisa Feingold, D.O.San Luis Obispo, CA 934011386681179
  7. Pedro Guimaraes, M.D.San Luis Obispo, CA 934011285624155
  8. June Kramer, MDSan Luis Obispo, CA 934011437215910

Common questions

What is David Edward Powles, M.D.'s NPI number?

David Edward Powles, M.D.'s National Provider Identifier (NPI) is 1962590885, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Edward Powles, M.D. located?

The NPPES record lists a practice address at 1110 California Blvd, San Luis Obispo, CA, 93401. Phone: (805) 546-2104. Providers update this record themselves, so call before visiting.

How can I verify David Edward Powles, M.D.'s license?

NPPES lists California license number G36054, 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 David Edward Powles, M.D. prescribe under Medicare Part D?

In 2024, David Edward Powles, M.D. had 260 Medicare Part D claims for 13 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.