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Edit this profileAt a glance
- 9431 Edinger Ave, Westminster, CA 92683
About Dr. Ngo
Tan D. Ngo, M.D. practices internal medicine in Westminster, CA. Tan is a 1991 graduate of University of Southern California Keck School of Medicine. Medicare claims data shows Tan provided 30,136 services to 4,381 patients. The services billed most often include therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, application of ultrasound, each 15 minutes, and injection, methylprednisolone acetate, 1 mg. The provider's National Provider Identifier (NPI) is 1770503997.
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) 839-8400
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
9431 EDINGER AVE
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
30,136 services · 4,381 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
318 | More than most peers in Internal Medicine |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
307 | More than most peers in Internal Medicine |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
275 | More than most peers in Internal Medicine |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
258 | More than most peers in Internal Medicine |
| Removal of impacted ear wax | Procedure | 69210 |
226 | More than most peers in Internal Medicine |
| Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12002 |
174 | Too few peers to compare |
| Injection into tendon or ligament | Procedure | 20550 |
67 | More often than most peers in Internal Medicine |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
7,638 | More than most peers in Internal Medicine |
| Application of ultrasound, each 15 minutes | Treatment | 97035 |
7,528 | More than most peers in Internal Medicine |
| Application of mechanical traction | Treatment | 97012 |
2,179 | Too few peers to compare |
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.
Also at this address 3
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 Westminster 8
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1991 at University of Southern California Keck School 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 Tan D. Ngo's specialty?
Tan D. Ngo 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 can I find Tan D. Ngo?
Tan D. Ngo is listed at 9431 Edinger Ave, Westminster, CA 92683. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Tan D. Ngo?
The number on file is (714) 839-8400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Tan D. Ngo?
Tan D. Ngo's National Provider Identifier is 1770503997. 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 Tan D. Ngo's education?
Tan D. Ngo attended University of Southern California Keck School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Tan D. Ngo have?
Tan D. Ngo has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Tan D. Ngo known for?
According to Medicare billing data, Tan D. Ngo performs procedures including aspiration and/or injection of fluid from large joint, aspiration and/or injection of fluid from medium joint and aspiration and/or injection of fluid from small joint; provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, 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 Tan D. Ngo's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Tan D. Ngo. If this is you, claiming it is free.
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