Doctor profile · Federal record

Dr. Thien-Nhan Nguyen, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Palo Alto, CA

  • NPI 1679244008
  • MIPS 22.6 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
805 El Camino Real Ste A
Palo Alto, CA 943012315
(650) 328-1676
fax (650) 445-0911

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95018528 · California #95053992

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679244008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,636
Distinct HCPCS
5
Medicare allowed
$135,152
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 764 201 $74
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 360 136 $39
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 203 175 $178
99315 Nursing facility discharge day management, 30 minutes or less 158 150 $80
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 151 100 $106

In context: peer comparison

Among 14 peers in this city , average services per provider: 81. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
260
Patients
73
Total drug cost
$14,531
Drug Type Claims Patients Total cost
Gabapentin Generic 36 28 $573
Oxycodone Hcl Generic 32 16 $302
Atorvastatin Calcium Generic 26 12 $388
Levothyroxine Sodium Generic 25 0 $266
Pantoprazole Sodium Generic 24 17 $709
Lisinopril Generic 19 0 $147
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 0 $179
Losartan Potassium Generic 13 0 $219
Eliquis (Apixaban) Brand 12 0 $11,054
Furosemide Generic 12 0 $32

Frequently asked questions

Auto-generated from federal data
What is Dr. Thien-Nhan Nguyen's medical specialty?
Dr. Thien-Nhan Nguyen practices Family Nurse Practitioner in Palo Alto, CA.
Where does Dr. Thien-Nhan Nguyen practice?
Dr. Thien-Nhan Nguyen practices at 805 El Camino Real Ste A, Palo Alto, CA 943012315. Office phone: 6503281676.
What is Dr. Thien-Nhan Nguyen's NPI?
Dr. Thien-Nhan Nguyen's National Provider Identifier (NPI) is 1679244008, issued by NPPES.
Does Dr. Thien-Nhan Nguyen accept Medicare assignment?
Dr. Thien-Nhan Nguyen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Thien-Nhan Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99307); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.