Doctor profile · Federal record

Dr. Marilyn Nguyen, DO

Family Medicine Physician (CMS: Family Practice) · Westminster, CO

  • NPI 1457704371
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14300 Orchard Pkwy Fl 2
Westminster, CO 800239206
(720) 627-4921
Additional location
11310 Huron St Ste 100
Northglenn, CO 802343090
(303) 450-7435
fax (303) 450-7463
Mailing address
11310 Huron St Ste 100
Northglenn, CO 802343090

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
December 23, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #DR0062234

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457704371. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
4
Medicare allowed
$13,678
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 93 54 $105
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 40 40 $43
99497 Advance care planning, first 30 minutes 35 35 $51
G0008 Administration of influenza virus vaccine 13 13 $31

In context: peer comparison

Among 41 peers in this city , average services per provider: 60. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,419
Transactions
67
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 19 $383.82
AstraZeneca Pharmaceuticals LP 12 $264.49
Novo Nordisk Inc 8 $138.72
Lilly USA, LLC 8 $137.35
Amgen Inc. 3 $77.46
GlaxoSmithKline, LLC. 4 $69.07
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $43.47
Sumitomo Pharma America, Inc. 2 $42.87
Janssen Pharmaceuticals, Inc 2 $39.99
Phathom Pharmaceuticals, Inc. 1 $33.47
Astellas Pharma US Inc 1 $32.36
Otsuka America Pharmaceutical, Inc. 1 $26.92
Novartis Pharmaceuticals Corporation 1 $25.89
Exact Sciences Corporation 1 $25.88
Dexcom, Inc. 1 $22.05

By nature of payment

Food and Beverage
$1,419

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,226
Patients
422
Total drug cost
$89,376
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 204 60 $2,930
Atorvastatin Calcium Generic 138 47 $1,848
Rosuvastatin Calcium Generic 123 43 $2,335
Losartan Potassium Generic 111 39 $1,680
Lisinopril Generic 84 27 $822
Omeprazole Generic 82 28 $1,347
Amlodipine Besylate Generic 75 26 $529
Gabapentin Generic 69 25 $2,241
Metformin Hcl Generic 66 23 $948
Alendronate Sodium Generic 65 25 $799

Frequently asked questions

Auto-generated from federal data
What is Dr. Marilyn Nguyen's medical specialty?
Dr. Marilyn Nguyen practices Family Medicine Physician in Westminster, CO.
Where does Dr. Marilyn Nguyen practice?
Dr. Marilyn Nguyen practices at 14300 Orchard Pkwy Fl 2, Westminster, CO 800239206. Office phone: 7206274921.
What is Dr. Marilyn Nguyen's NPI?
Dr. Marilyn Nguyen's National Provider Identifier (NPI) is 1457704371, issued by NPPES.
Does Dr. Marilyn Nguyen accept Medicare assignment?
Yes. Dr. Marilyn Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilyn Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.