Doctor profile · Federal record

Dr. Thuc-Quyen Nguyen, M.D.

Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Palo Alto, CA

  • NPI 1255758637
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000
Additional location
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
221 Longwood Ave, Bwh Psychiatric Specialties
Boston, MA 021155804
(617) 732-6753

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
April 29, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084P0804X — NUCC code
State licenses (2)
California #A149692 · California #149692

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255758637. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
4
Medicare allowed
$26,714
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 117 26 $152
Q3014 Telehealth originating site facility fee 92 21 $28
90833 Psychotherapy with evaluation and management visit, 30 minutes 69 20 $78
90838 Psychotherapy with evaluation and management visit, 1 hour 13 11 $75

In context: peer comparison

Among 1 peers in this city , average services per provider: 72. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
369
Patients
0
Total drug cost
$107,463
Drug Type Claims Patients Total cost
Escitalopram Oxalate Generic 57 0 $2,630
Risperidone Generic 52 0 $565
Vraylar (Cariprazine Hcl) Brand 37 0 $78,111
Clozapine Generic 27 0 $994
Olanzapine Generic 27 0 $3,100
Benztropine Mesylate Generic 26 0 $301
Sertraline Hcl Generic 22 0 $475
Aripiprazole Generic 18 0 $9,579
Oxcarbazepine Generic 16 0 $512
Paliperidone Er (Paliperidone) Brand 16 0 $9,276

Frequently asked questions

Auto-generated from federal data
What is Dr. Thuc-Quyen Nguyen's medical specialty?
Dr. Thuc-Quyen Nguyen practices Child & Adolescent Psychiatry Physician in Palo Alto, CA.
Where does Dr. Thuc-Quyen Nguyen practice?
Dr. Thuc-Quyen Nguyen practices at 725 Welch RD, Palo Alto, CA 943041601. Office phone: 6504978000.
What is Dr. Thuc-Quyen Nguyen's NPI?
Dr. Thuc-Quyen Nguyen's National Provider Identifier (NPI) is 1255758637, issued by NPPES.
Does Dr. Thuc-Quyen Nguyen accept Medicare assignment?
Yes. Dr. Thuc-Quyen Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thuc-Quyen Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telehealth originating site facility fee (HCPCS Q3014); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.