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ADRIAN JACQUES HALCYON AMBROSE M.D.
NPI 1528485679
Psychiatry & Neurology - Psychiatry in Corona, CA

Active since March 26, 2014PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
900 S MAIN ST STE 209, CORONA, CA 92882(714) 545-5550(949) 991-2040 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 29, 2026, Apr 1, 2026, Jun 25, 2025 and 3 more (6 updates tracked since 2018).

About Adrian Jacques Halcyon Ambrose M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADRIAN JACQUES HALCYON AMBROSE M.D. (NPI 1528485679) is an individual psychiatry provider in Corona, California, licensed in California (C193525) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1528485679
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameADRIAN JACQUES HALCYON AMBROSECredential: M.D.
Location Address900 S MAIN ST STE 209Corona, CA 92882-3401
Mailing Address19782 Macarthur Blvd Ste 300Irvine, CA 92612-2417 · (714) 545-5550 · Fax (949) 991-2040
Phone(714) 545-5550
Fax(949) 991-2040
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 26, 2014
Last NPPES UpdateJuly 29, 20266 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1528485679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · C193525
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License C193525 (CA)
900 S MAIN ST STE 209, Corona, CA 92882
Open in Google Maps ↗

Secondary Practice Location 1

Location 11760 Termino Ave Ste G21Long Beach, CA 90804-2182 · Phone (714) 545-5550

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adrian Jacques Halcyon Ambrose M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264730092
PECOS Enrollment IDI20250626003098
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Adrian Jacques Ambrose reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Neuropsychiatric Specialists Inc.
22 mi
Psychiatry
3151 AIRWAY AVE STE G1
Costa Mesa, CA 92626
  • Reassigned Medicare billing, California enrollment
  • 28 clinicians in this Medicare group
NPI 1356685218 (714) 545-5550
Trustees Of Columbia University In The City Of New York
2,424 mi
Surgery
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group
NPI 1508266347 (646) 317-7111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92882 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$179.42 typical visit price
range $59.60 – $179.42
Typical copayment $44.85 (range $14.90 – $44.85)
Most-billed visit code 99205
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.8
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SABRINA TORRES PA-C
Clinical Nurse Specialist (Psychiatric/Mental Health)
900 S MAIN ST STE 209
CORONA, CA 92882
Riverside County (714) 545-5550
ARIANA YEA PA-C
Physician Assistant
900 S MAIN ST STE 209
CORONA, CA 92882
Riverside County (714) 545-5550
CHRISTINA POLAND PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
900 S MAIN ST STE 209
CORONA, CA 92882
Riverside County (714) 545-5550

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adrian Jacques Ambrose's NPI number?

The NPI number for Adrian Jacques Ambrose is 1528485679. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Where is Adrian Jacques Ambrose located?

Adrian Jacques Ambrose practices at 900 S Main St Ste 209, Corona, CA 92882. The listed phone number is (714) 545-5550.

What is Adrian Jacques Ambrose's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Adrian Jacques Ambrose enrolled in Medicare?

Yes. Adrian Jacques Ambrose is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Adrian Jacques Ambrose's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adrian Jacques Ambrose reassigns Medicare benefits to 2 organizations: Pacific Neuropsychiatric Specialists Inc. (Costa Mesa, CA) and Trustees Of Columbia University In The City Of New York (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adrian Jacques Ambrose's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Adrian Jacques Ambrose was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.