Doctor profile · Federal record

Dr. Phat Nguyen, D.O.

Internal Medicine Physician · Manchester, NH

  • NPI 1881636777
  • MIPS 81.6 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Hitchcock Way
Manchester, NH 031044125
(603) 695-2500

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 20, 2011
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Hampshire #10829
Medicaid
NH #30221182

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881636777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
478
Distinct HCPCS
3
Medicare allowed
$52,832
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 395 249 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 62 56 $78
99215 Established patient office or other outpatient visit, 40-54 minutes 21 18 $159

In context: peer comparison

Among 29 peers in Manchester Internal Medicine Physician, average services per provider: 114. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,777
Patients
1,104
Total drug cost
$55,453
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 654 193 $9,991
Lisinopril Generic 495 145 $5,456
Amlodipine Besylate Generic 394 116 $3,412
Losartan Potassium Generic 392 116 $6,214
Levothyroxine Sodium Generic 257 65 $4,142
Metformin Hcl ER (Metformin Hcl) Brand 247 73 $3,701
Omeprazole Generic 210 63 $3,726
Metoprolol Succinate Generic 179 48 $3,824
Hydrochlorothiazide Generic 156 48 $866
Pantoprazole Sodium Generic 149 42 $2,529

Frequently asked questions

Auto-generated from federal data
What is Dr. Phat Nguyen's medical specialty?
Dr. Phat Nguyen practices Internal Medicine Physician in Manchester, NH.
Where does Dr. Phat Nguyen practice?
Dr. Phat Nguyen practices at 100 Hitchcock Way, Manchester, NH 031044125. Office phone: 6036952500.
What is Dr. Phat Nguyen's NPI?
Dr. Phat Nguyen's National Provider Identifier (NPI) is 1881636777, issued by NPPES.
What procedures does Dr. Phat Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.