Doctor profile · Federal record

Dr. Phong Nguyen, M.D

General Practice Physician (CMS: Internal Medicine) · Emergency Medicine Physician · Redlands, CA

  • NPI 1770699506
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Terracina Blvd
Redlands, CA 923734850
(909) 335-5500
Mailing address
2100 Powell St, Ste 900
Emeryville, CA 946081826

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 6, 2023
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
208D00000X — NUCC code
State license (1)
California #A51595
Medicaid
CA #00A515950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770699506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
4
Medicare allowed
$16,283
HCPCS Description Services Patients Avg allowed
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 158 58 $44
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 41 41 $140
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 35 24 $74
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 20 19 $52

In context: peer comparison

Among 1 peers in Redlands General Practice Physician, average services per provider: 63. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$155
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $137.73
Janssen Pharmaceuticals, INC 1 $17.68

By nature of payment

Food and Beverage
$155

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$223
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 24 0 $223

Frequently asked questions

Auto-generated from federal data
What is Dr. Phong Nguyen's medical specialty?
Dr. Phong Nguyen practices General Practice Physician in Redlands, CA.
Where does Dr. Phong Nguyen practice?
Dr. Phong Nguyen practices at 350 Terracina Blvd, Redlands, CA 923734850. Office phone: 9093355500.
What is Dr. Phong Nguyen's NPI?
Dr. Phong Nguyen's National Provider Identifier (NPI) is 1770699506, issued by NPPES.
Does Dr. Phong Nguyen accept Medicare assignment?
Dr. Phong Nguyen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Phong Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with straightforward medical decision making (HCPCS 99347); Residence visit for new patient with moderate level of medical decision making (HCPCS 99344); Residence visit for established patient with low level of medical decision making (HCPCS 99348). Source: CMS Medicare Physician & Other Practitioners file.