Physician Profile
Duc Nguyen, MD
Unclaimed ProfileAbout Dr. Nguyen
Duc Nguyen, MD practices internal medicine in Simi Valley, CA. Duc is a 1989 graduate of University of California, Irvine, California College of Medicine. Duc is also listed as specializing in pulmonary disease. Medicare claims data shows Duc provided 7,253 services to 2,063 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (805) 520-1577
- Email not available
Practice Locations
2650 JONES WAY #7
Simi Valley, CA 93065
Conditions Commonly Evaluated or Treated
Within Internal 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.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
7,253 services · 2,063 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
29 |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
12 |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,040 |
| Influenza vaccine, inactivated | Treatment | 90653 |
146 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
68 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
36 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
2,126 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,860 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
625 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Simi Valley 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of California, Irvine, California College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Nguyen's specialty?
Dr. Nguyen is an internal medicine in Simi Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Nguyen?
Dr. Nguyen is listed at 2650 JONES WAY #7, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Nguyen?
The number on file is (805) 520-1577. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nguyen?
Dr. Nguyen's National Provider Identifier is 1306945365. 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
What is Dr. Nguyen's medical education?
Dr. Nguyen attended University of California, Irvine, California College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nguyen have?
Dr. Nguyen has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Nguyen known for?
According to Medicare billing data, Dr. Nguyen performs procedures including aspiration and/or injection of fluid from large joint and emergent insertion of breathing tube into windpipe using an endoscope; provides treatments such as test for allergy using allergenic extract and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. 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.