NPPES file of Aug 9, 2026

Robert Owen Davies, M.D.

Psychiatry Physician · San Pedro, CA

Robert Owen Davies, M.D. is a psychiatry physician with a practice address in San Pedro, California, and NPI 1962562363, issued on Dec 8, 2006. Check the license (California G53022, 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
1962562363
Name
Robert Owen Davies
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G53022 CA
Self-reported in NPPES; status is on the state search
Practice location
471 W 7TH St, San Pedro, CA 90731
Phone
(310) 833-6572
Enumerated
Dec 8, 2006
Record last updated
Apr 4, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(310) 833-1024
Medicare enrollment
Enrolled (PECOS I20110401000757); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1982
Telehealth
Offers telehealth (CMS)
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 471 W 7TH St

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

  1. Leonard Casillas, LMFTMarriage & Family Therapist1427884550
  2. Dennis Coffee, M.D.Psychiatry Physician1700987021
  3. Artemis Tegan, LMFTMarriage & Family Therapist1972669141

Verify Robert Owen Davies in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53022
    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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48% more Medicare Part D claims than the average psychiatry physician in 2024

1,482 Medicare Part D claims for 82 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Robert Davies1,482
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl112 claims
  2. Buspirone Hcl103 claims
  3. Quetiapine Fumarate102 claims
  4. Clonazepam94 claims
  5. Alprazolam89 claims
  6. Bupropion Hcl Sr81 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.

Robert Owen Davies among 8,673 psychiatry physician records in California

Robert Owen Davies, 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
  • Graduated1982 · median 2005 among the 3,295 with a school on file
  • Record last updated2011 · 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).

13 psychiatry physician records list a practice address in San Pedro

They are 13 of the 1,072 NPPES records with a practice address in San Pedro, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mahmoud Ajang, MDSan Pedro, CA 907311922182682
  2. Dennis Coffee, M.D.San Pedro, CA 907311700987021
  3. Jack Downhill, MDSan Pedro, CA 907311467522813
  4. Roger Engelbert, MDSan Pedro, CA 907311447338488
  5. Shawki Haffar, M.D.San Pedro, CA 907311477601979
  6. Mark Honig, M.D.San Pedro, CA 907311285703769
  7. Amber Kondor, MDSan Pedro, CA 907311225200710
  8. John Perry, MDSan Pedro, CA 907311427101187

Common questions

What is Robert Owen Davies, M.D.'s NPI number?

Robert Owen Davies, M.D.'s National Provider Identifier (NPI) is 1962562363, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Owen Davies, M.D. located?

The NPPES record lists a practice address at 471 W 7TH St, San Pedro, CA, 90731. Phone: (310) 833-6572. Providers update this record themselves, so call before visiting.

How can I verify Robert Owen Davies, M.D.'s license?

NPPES lists California license number G53022, 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 Robert Owen Davies, M.D. prescribe under Medicare Part D?

In 2024, Robert Owen Davies, M.D. had 1,482 Medicare Part D claims for 82 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.