Physician Profile
Derek Nguyen, MD
Unclaimed ProfileAbout Dr. Nguyen
Derek Nguyen, MD is a healthcare provider in Riverside, CA specializing in internal medicine. Derek trained at Yale University School of Medicine, graduating in 2004. Derek is also listed as specializing in dermatology. Medicare claims data shows Derek provided 8,336 services to 2,262 patients. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
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
- (951) 683-6830
- Email not available
Practice Locations
4435 BROCKTON AVE STE B
Riverside, CA 92501
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
Cardiometabolic
- High blood pressure
- High cholesterol
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
- Shingles
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
- Acute bronchitis
- Asthma
- COPD
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
Kidney & Bladder
- Overactive Bladder and Leakage
Lungs & Breathing
- Sleep apnea
Mental Health
Neurologic and behavioral
- Depression
- Migraines
Pain
- Back pain
Rheumatologic and pain
- Osteoarthritis
Procedures & services
Most searched procedures
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
- Epley Maneuver
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
- Tetanus shot
Lab tests
- Urinalysis
Lungs & Breathing
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
8,336 services · 2,262 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
26 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
25 |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
23 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | Treatment | 93227 |
206 |
| Influenza vaccine, trivalent, 0.5 ml dosage | Treatment | 90658 |
45 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
2,331 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
1,662 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,008 |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
828 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
514 |
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 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Riverside 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Yale University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 1 growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Nguyen's specialty?
Dr. Nguyen is an internist in Riverside, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Dr. Nguyen?
Dr. Nguyen is listed at 4435 Brockton Ave Ste B, Riverside, CA 92501. 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 (951) 683-6830. 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 1528054095. 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 Yale University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nguyen have?
Dr. Nguyen has 22 years experience. Calculated from a graduation year of 2004, 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 destruction of precancer skin growth, 1 growth, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 2-14 growths; provides treatments such as electrocardiogram 2-day continuous with review by health care professional and influenza vaccine, trivalent, 0.5 ml dosage, 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.