Joe Chiu, MD
NPI 1730193129 · Psychiatry Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joe Chiu, MD is a Psychiatry Physician provider in Fullerton, CA (NPI 1730193129).
Provider details
- NPI number
- 1730193129
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A70201 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
144 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 72 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $139 |
Typical Medicare-allowed amounts for these services range $75–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lamotrigine | 54 |
| Clonazepam | 47 |
| Alprazolam | 39 |
| Aripiprazole | 36 |
| Sertraline Hcl | 33 |
| Lorazepam | 25 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 14 |
| Eszopiclone | 12 |
| Fluoxetine Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Joe Chiu's NPI number?
- Joe Chiu's National Provider Identifier (NPI) is 1730193129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joe Chiu's specialty?
- Joe Chiu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joe Chiu located?
- Joe Chiu's practice location on file with NPPES is 680 Langsdorf Dr Ste 209, Fullerton, CA 92831-3702.
- What is Joe Chiu's phone number?
- The practice phone number listed in the NPPES registry for Joe Chiu is (714) 578-0990.
- Does Joe Chiu accept Medicare?
- Joe Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joe Chiu's NPI active?
- Yes — Joe Chiu's NPI (1730193129) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.