Physician Profile
Thomas Thong H. Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Based in Victorville, CA, Thomas Thong H. Nguyen, M.D. is listed in the NPI registry under internal medicine. Thomas Thong graduated from University of Massachusetts Medical School in 2003. Thomas Thong is also listed as specializing in gastroenterology. According to Medicare claims data, Thomas Thong cared for 827 Medicare patients across 1,079 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1215126800 identifies this record in the national registry.
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
- (760) 881-3377
- Email not available
Practice Locations
12595 HESPERIA RD STE 101
Victorville, CA 92395
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
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
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
1,079 services · 827 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
93 | More often than most peers in Internal Medicine |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
73 | As often as other peers in Internal Medicine |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
45 | As often as other peers in Internal Medicine |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
29 | More often than most peers in Internal Medicine |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
23 | More often than most peers in Internal Medicine |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
12 | Less often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
319 | 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 |
170 | More often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
120 | More than most peers in Internal Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
74 | 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.
Related specialists at this location 4
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 internists in Victorville 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Thomas Thong H. Nguyen?
Thomas Thong H. Nguyen is an internist in Victorville, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Thomas Thong H. Nguyen's address?
Thomas Thong H. Nguyen is listed at 12595 Hesperia Rd Ste 101, Victorville, CA 92395. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Thomas Thong H. Nguyen?
The number on file is (760) 881-3377. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thomas Thong H. Nguyen's NPI number?
Thomas Thong H. Nguyen's National Provider Identifier is 1215126800. 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 Thomas Thong H. Nguyen train?
Thomas Thong H. Nguyen attended University of Massachusetts Medical School, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Thomas Thong H. Nguyen been practicing?
Thomas Thong H. Nguyen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Thomas Thong H. Nguyen perform?
According to Medicare billing data, Thomas Thong H. Nguyen performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Thomas Thong H. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas Thong H. Nguyen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.