Robert Masoner, MD
Psychiatry Physician · San Diego, CA
Robert Masoner, MD is a psychiatry physician with a practice address in San Diego, California, and NPI 1154779528, issued on May 26, 2016. Check the license (California A156978, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Masoner
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A156978 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1650 Garnet Avenue #1001, San Diego, CA 92134
- Phone
- (619) 736-3985
- Enumerated
- May 26, 2016
- Record last updated
- May 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20240806004250); may accept Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Robert Masoner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A156978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
95 Medicare Part D claims for 68 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin12 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 Masoner among 8,673 psychiatry physician records in California
Robert Masoner, MD 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2016 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sarah Bisch, M.D.San Diego, CA 921341326081910
- Susan Harvey, DOSan Diego, CA 921341285608869
- Ju Ho, MDSan Diego, CA 921341033175864
- Alan Jacovich, D.O.San Diego, CA 921341124090477
- Warren Klam, M.D., MSMMSan Diego, CA 921341629049630
- Alan Mayfield, M.D.San Diego, CA 921341821151648
- Robert McLay, MD, PHDSan Diego, CA 921341982675575
- Kristin Montalvo, M.D.San Diego, CA 921341982677746
Common questions
What is Robert Masoner, MD's NPI number?
Robert Masoner, MD's National Provider Identifier (NPI) is 1154779528, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Robert Masoner, MD located?
The NPPES record lists a practice address at 1650 Garnet Avenue #1001, San Diego, CA, 92134. Phone: (619) 736-3985. Providers update this record themselves, so call before visiting.
How can I verify Robert Masoner, MD's license?
NPPES lists California license number A156978, 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 Masoner, MD prescribe under Medicare Part D?
In 2024, Robert Masoner, MD had 95 Medicare Part D claims for 68 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.