Bao-Nhan Benjamin Nguyen, MD
Psychiatry Physician · Orange, CA
Bao-Nhan Benjamin Nguyen, MD is a psychiatry physician with a practice address in Orange, California, and NPI 1205314358, issued on Jul 31, 2018. Check the license (California A164465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bao-Nhan Benjamin Nguyen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A164465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S RM 207, Orange, CA 92868
- Phone
- (714) 456-5770
- Enumerated
- Jul 31, 2018
- Record last updated
- Jul 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 456-7615
- Medicare enrollment
- Enrolled (PECOS I20250925002344); accepts Medicare assignment
- Medical or professional school
- Un Of California, Riverside, School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 101 The City Dr S RM 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace Lynn, M.D.Student in an Organized Health Care Education/Training Program1427437359
Verify Bao-Nhan Benjamin Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average psychiatry physician in 2024
205 Medicare Part D claims for 14 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Benztropine Mesylate34 claims
- Quetiapine Fumarate28 claims
- Aripiprazole26 claims
- Clozapine26 claims
- Trazodone Hcl19 claims
- Abilify Maintena13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Orange County Association For Mental HealthLake Forest, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bao-Nhan Benjamin Nguyen among 8,673 psychiatry physician records in California
Bao-Nhan Benjamin Nguyen, MD 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2018 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 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).
116 psychiatry physician records list a practice address in Orange
They are 116 of the 13,245 NPPES records with a practice address in Orange, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Orange → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Daniel Chueh, M.D.Orange, CA 928681174589642
- K De Silva, MDOrange, CA 928681992730170
- Constance De Silva, MDOrange, CA 928681912922634
- Lianjie Du, M.D.Orange, CA 928681255331385
- Gaurav Gandotra, MDOrange, CA 928681386617421
- Carla Hammond, M.D.Orange, CA 928681407889355
- Alan Hanft, M.D.Orange, CA 928681376599076
- Joshua Israel, MDOrange, CA 928681689628265
Common questions
What is Bao-Nhan Benjamin Nguyen, MD's NPI number?
Bao-Nhan Benjamin Nguyen, MD's National Provider Identifier (NPI) is 1205314358, issued on Jul 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Bao-Nhan Benjamin Nguyen, MD located?
The NPPES record lists a practice address at 101 The City Dr S RM 207, Orange, CA, 92868. Phone: (714) 456-5770. Providers update this record themselves, so call before visiting.
How can I verify Bao-Nhan Benjamin Nguyen, MD's license?
NPPES lists California license number A164465, 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.
How much does Bao-Nhan Benjamin Nguyen, MD prescribe under Medicare Part D?
In 2024, Bao-Nhan Benjamin Nguyen, MD had 205 Medicare Part D claims for 14 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.