Robert Alessi, M.D.
Child & Adolescent Psychiatry Physician · San Marcos, CA
Robert Alessi, M.D. is a child & adolescent psychiatry physician with a practice address in San Marcos, California, and NPI 1770685901, issued on Sep 1, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Alessi
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- Practice location
- 277 Rancheros Dr Ste 301, San Marcos, CA 92069
- Phone
- (760) 471-4073
- Enumerated
- Sep 1, 2006
- Entity
- Type 1 · individual
Also registered at 277 Rancheros Dr Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Barr, MFTMarriage & Family Therapist1013260231
- Alan Berkowitz, MDPsychiatry Physician1578519476
- Alicia Burke, DNPPsychiatric/Mental Health Nurse Practitioner1891233649
- Darryl Butson, LMFTMarriage & Family Therapist1538769393
- Eloisa DietrichFamily Nurse Practitioner1134512288
- Nicholas Frost, MDPsychiatry Physician1730129651
Verify Robert Alessi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
14% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
521 Medicare Part D claims for 122 beneficiaries, against an average of 608 among the 3,047 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Sertraline Hcl51 claims
- Gabapentin33 claims
- Aripiprazole24 claims
- Bupropion Xl24 claims
- Lorazepam24 claims
- Alprazolam23 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.
Child & Adolescent Psychiatry Physician providers in California
There are 868 child & adolescent psychiatry physician records in California.
Other child & adolescent psychiatry physician records in California
- Manar Abdelmegeed, MDSan Jose, CA1699137661
- Beverly Abramowitz, M.D.Roseville, CA1982806287
- Allan Abrams, M.D.Simi Valley, CA1306844626
- Ajjya Acharya, MDSacramento, CA1760970354
- Lisa Acosta, MDSimi Valley, CA1497887277
- Adeshewa Adekunbi, MDGardena, CA1083134829
- Vladislav Afanasevich, M.D.Sacramento, CA1902193246
- Peter Afsari, D.O.San Luis Obispo, CA1013126143
- Ujwala Agharkar, MDFremont, CA1073685723
- Lielanie Mae Aguilar-Pascasio, M.D.El Centro, CA1356553945
Common questions
What is Robert Alessi, M.D.'s NPI number?
Robert Alessi, M.D.'s National Provider Identifier (NPI) is 1770685901, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Alessi, M.D. located?
The NPPES record lists a practice address at 277 Rancheros Dr Ste 301, San Marcos, CA, 92069. Phone: (760) 471-4073. Providers update this record themselves, so call before visiting.
How can I verify Robert Alessi, M.D.'s license?
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 Alessi, M.D. prescribe under Medicare Part D?
In 2024, Robert Alessi, M.D. had 521 Medicare Part D claims for 122 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 608. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.