Paul Chung, M.D.
NPI 1780647347 · Psychiatry Physician · Fullerton, CA
Paul Chung, M.D. is a Psychiatry Physician provider in Fullerton, CA (NPI 1780647347).
Provider details
- NPI number
- 1780647347
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A92851 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Zolpidem Tartrate | 36 |
| Bupropion Hclbrand: Bupropion Xl | 25 |
| Lorazepam | 22 |
| Trazodone Hcl | 21 |
| Naltrexone Hcl | 15 |
| Eszopiclone | 13 |
| Clonazepam | 13 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 12 |
| Paroxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2016-01-12
Frequently asked questions
- What is Paul Chung's NPI number?
- Paul Chung's National Provider Identifier (NPI) is 1780647347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Chung's specialty?
- Paul Chung is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Chung located?
- Paul Chung's practice location on file with NPPES is 1619 E Chapman Ave, Fullerton, CA 92831-4015.
- What is Paul Chung's phone number?
- The practice phone number listed in the NPPES registry for Paul Chung is (213) 309-4671.
- Is Paul Chung's NPI active?
- Yes — Paul Chung's NPI (1780647347) is active in the NPPES registry as of the last update on 2016-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.