Adrian Jacques Halcyon Ambrose, M.D.
Psychiatry Physician · Corona, CA
Adrian Jacques Halcyon Ambrose, M.D. is a psychiatry physician with a practice address in Corona, California, and NPI 1528485679, issued on Mar 26, 2014. Check the license (California C193525, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adrian Jacques Halcyon Ambrose
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- C193525 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 S Main St Ste 209, Corona, CA 92882
- Phone
- (714) 545-5550
- Enumerated
- Mar 26, 2014
- Record last updated
- Jul 29, 2026
- Fax
- (949) 991-2040
- Medicare enrollment
- Enrolled (PECOS I20250626003098); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 900 S Main St Ste 209
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Warren Carter, PA-CPsychiatric/Mental Health Clinical Nurse Specialist1306662267
- Christina Poland, PMHNPPsychiatric/Mental Health Nurse Practitioner1285500694
- Sabrina Torres, PA-CPsychiatric/Mental Health Clinical Nurse Specialist1104638378
- Ariana Yea, PA-CPhysician Assistant1265156483
Verify Adrian Jacques Halcyon Ambrose in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C193525Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pacific Neuropsychiatric Specialists IncMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adrian Jacques Halcyon Ambrose among 8,673 psychiatry physician records in California
Adrian Jacques Halcyon Ambrose, 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2014 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 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 Corona → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Purshotam Kataria, M.D.Corona, CA 928821073582482
- Malini Singh, DOCorona, CA 928821639758618
- John Isaac, MDCorona, CA 928831922661867
- Jack Lyden, MDCorona, CA 928831346980919
- Raj Rajani, M.D.Corona, CA 928811861566572
- Yoon Kim, MDCorona, CA 928801962421529
- Haeyeong Lee, M.D.Corona, CA 928801952591422
- Jayanta Kumar Pal, MDCorona, CA 928801992899041
Common questions
What is Adrian Jacques Halcyon Ambrose, M.D.'s NPI number?
Adrian Jacques Halcyon Ambrose, M.D.'s National Provider Identifier (NPI) is 1528485679, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Adrian Jacques Halcyon Ambrose, M.D. located?
The NPPES record lists a practice address at 900 S Main St Ste 209, Corona, CA, 92882. Phone: (714) 545-5550. Providers update this record themselves, so call before visiting.
How can I verify Adrian Jacques Halcyon Ambrose, M.D.'s license?
NPPES lists California license number C193525, 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.
What is Adrian Jacques Halcyon Ambrose, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.