Joseph Son, MD
NPI 1356978621 · Psychiatry Physician · Orange, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Son, MD is a Psychiatry Physician provider in Orange, CA (NPI 1356978621).
Provider details
- NPI number
- 1356978621
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A176756 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sertraline Hcl | 26 |
| Trazodone Hcl | 18 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 18 |
| Benztropine Mesylate | 17 |
| Escitalopram Oxalate | 17 |
| Alprazolam | 16 |
| Buspirone Hcl | 14 |
| Risperidone | 13 |
| Clonazepam | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 3540 Howard Way Ste 150Costa Mesa, CA 92626-1496Phone: (949) 646-9227
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2024-10-25
- Certified
- 2023-03-07
Frequently asked questions
- What is Joseph Son's NPI number?
- Joseph Son's National Provider Identifier (NPI) is 1356978621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Son's specialty?
- Joseph Son is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Son located?
- Joseph Son's practice location on file with NPPES is 101 the City Dr S Bldg 3, Orange, CA 92868-3201.
- What is Joseph Son's phone number?
- The practice phone number listed in the NPPES registry for Joseph Son is (714) 456-5902.
- Does Joseph Son accept Medicare?
- Joseph Son is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Son's NPI active?
- Yes — Joseph Son's NPI (1356978621) is active in the NPPES registry as of the last update on 2024-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.