Physician Profile
Unclaimed ProfileAbout AHN
Jonathon Ahn, MD is a healthcare provider in Fullerton, CA specialising in anesthesiology. Jonathon trained at Loma Linda University School of Medicine, graduating in 2018.
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
Areas of Expertise
Common questions
What kind of doctor is Dr. Ahn?
Dr. Ahn is an anesthesiology in Fullerton, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
What is Dr. Ahn's address?
Dr. Ahn is listed at 101 E VALENCIA MESA DR, Fullerton, CA 92835. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ahn?
The number on file is (714) 871-3280. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ahn's NPI number?
Dr. Ahn's National Provider Identifier is 1053803882. 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. Ahn train?
Dr. Ahn attended Loma Linda University School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ahn been practising?
Dr. Ahn has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ahn perform?
According to Medicare billing data, Dr. Ahn performs procedures including insertion of artery tube for blood sampling or infusion through skin and injection of substance into lower spine canal; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for lens surgery. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ahn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 871-3280
- Email not available
Practice Locations
101 E VALENCIA MESA DR
Fullerton, CA 92835
Procedures Most Often Billed to Medicare
72 services · 70 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
14 |
| Injection of substance into lower spine canal | Procedure | 62322 |
11 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
18 |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
15 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
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 anesthesiology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 26 related providers in 4 groups
Other anesthesiology specialists in Fullerton 2
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Loma Linda University School of Medicine 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.