Physician Profile
Sam Tonthat, D.O.
Unclaimed ProfileAbout Dr. Tonthat
Based in Fresno, CA, Sam Tonthat, D.O. is listed in the NPI registry under internal medicine. Sam is also listed as specializing in student in an organized health care education program and nephrology. According to Medicare claims data, Sam cared for 279 Medicare patients across 357 services.
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
- (559) 499-6500
- Email not available
Practice Locations
155 N FRESNO ST
Fresno, CA 93701
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
357 services · 279 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
14 |
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
14 |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
13 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
188 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
78 |
| Critical care, each additional 30 minutes | Office visit | 99292 |
36 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
14 |
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 internal medicines at this location 4
Same specialty, same street address — most likely the same department or group.
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 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 — 30 related providers in 4 groups
Other internal medicines in Fresno 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Tonthat specialize in?
Dr. Tonthat is an internal medicine in Fresno, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Tonthat located?
Dr. Tonthat is listed at 155 N FRESNO ST, Fresno, CA 93701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tonthat's phone number?
The number on file is (559) 499-6500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tonthat's NPI number?
Dr. Tonthat's National Provider Identifier is 1699139782. 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 Dr. Tonthat go to medical school?
Dr. Tonthat attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tonthat been practicing?
Dr. Tonthat has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tonthat do most often?
According to Medicare billing data, Dr. Tonthat performs procedures including insertion of artery tube for blood sampling or infusion through skin, emergent insertion of breathing tube into windpipe using an endoscope and insertion of non-tunneled central venous tube for infusion, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tonthat confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tonthat. 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.