Are you Dat M. Nguyen, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 14536 Brookhurst St, Suite# 102, Westminster, CA 92683
About Dr. Nguyen
Dat M. Nguyen, M.D. practices internal medicine in Westminster, CA. Medicare claims data shows Dat provided 2,448 services to 654 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, therapy procedure using manual technique, each 15 minutes, and application of ultrasound, each 15 minutes. The provider's National Provider Identifier (NPI) is 1871730895.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 531-2548
- Email not available
Practice Locations
14536 BROOKHURST ST SUITE# 102
Westminster, CA 92683
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
Cancer Prevention
Cancer risk
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Addiction & habits
Cancer screening
Cancer Screening
Checkups & exams
Chronic illness
Diagnostics & screening
Environmental health
Fitness & body composition
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart & circulation
Heart health
Hospital-based procedures
Imaging referral
Immunizations
Infection & Microbiology Tests
- STI and STD Screening
- H. Pylori Breath Test
Lifestyle & Prevention
Longevity
Lower endoscopy
Lungs & Breathing
Metabolic & Weight
Metabolic health
Occupational health
Occupational Health
Office Procedures
Preventive and evaluation
- Preoperative medical clearance
- Medication management
- Post-hospital transitional care
Preventive imaging
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
- Blood pressure screening
- Cancer screening and prevention planning
- Diabetes and prediabetes screening
- EKG
- Spirometry
Screenings & Diagnostics
Travel Health
Travel medicine
Wellness
Wellness & Screening
Workplace health
Skin growths
Sleep
Most searched procedures
Bones & Joints
Brain and nerves
Digestive
- Endoscopy
Exams & Consultations
Lab tests
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
Pain management
Preventive & Routine Care
Sexual health
Procedures Most Often Billed to Medicare
2,448 services · 654 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
238 | As often as other peers in Internal Medicine |
| Application of ultrasound, each 15 minutes | Treatment | 97035 |
238 | As often as other peers in Internal Medicine |
| Application of electrical stimulation with therapist present, each 15 minutes | Treatment | 97032 |
234 | Too few peers to compare |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
81 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,082 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
181 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
162 | More often than most peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
105 | As often as other peers in Internal Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
80 | More often than most peers in Internal Medicine |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
26 | More often than most peers in Internal Medicine |
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.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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.
More connections — 32 related providers in 4 groups
Other internists in Westminster 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Therapy procedure using manual technique, each 15 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dat M. Nguyen specialize in?
Dat M. Nguyen is an internist in Westminster, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dat M. Nguyen located?
Dat M. Nguyen is listed at 14536 Brookhurst St Suite# 102, Westminster, CA 92683. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dat M. Nguyen's phone number?
The number on file is (714) 531-2548. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dat M. Nguyen?
Dat M. Nguyen's National Provider Identifier is 1871730895. 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
Where did Dat M. Nguyen train?
Dat M. Nguyen attended Other, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dat M. Nguyen have?
Dat M. Nguyen has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does Dat M. Nguyen do most often?
According to Medicare billing data, Dat M. Nguyen provides treatments such as therapy procedure using manual technique, each 15 minutes and application of ultrasound, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dat M. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dat M. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.