Physician Profile
Connie K. Nguyen, M.D. is a healthcare provider in Westminster, CA specializing in family medicine. Connie trained at University of California, Geffen School of Medicine, graduating in 1995. Medicare claims data shows Connie provided 3,903 services to 2,083 patients. The services billed most often include management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
15355 BROOKHURST ST SUITE 102
Westminster, CA 92683
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
3,903 services · 2,083 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
62 | As often as other peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
234 | More than most peers in Family Medicine |
| Test for hearing various pitches using earphone | Treatment | 92552 |
126 | More often than most peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
107 | More than most peers in Family Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
105 | More than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
100 | More than most peers in Family Medicine |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
417 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
380 | More often than most peers in Family Medicine |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
311 | More often than most peers in Family Medicine |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
301 | More often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connie K. Nguyen is a family doctor in Westminster, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Connie K. Nguyen is listed at 15355 Brookhurst St Suite 102, Westminster, CA 92683. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 775-3057. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Connie K. Nguyen's National Provider Identifier is 1851471023. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Connie K. Nguyen attended University of California, Geffen School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Connie K. Nguyen has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Connie K. Nguyen performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and test for hearing various pitches using earphone, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Connie K. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.