DR. JONATHON AHN MD
NPI 1053803882
Anesthesiology in Fullerton, CA

Q: What is Jonathon Ahn's NPI number?

The NPI number for Jonathon Ahn is 1053803882. It was assigned to this individual provider in the NPPES registry on June 6, 2018.

Q: What is Jonathon Ahn's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Jonathon Ahn was last updated on June 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 06, 2018PECOS EnrolledAccepts Medicare Assignment

101 E VALENCIA MESA DR, FULLERTON, CA 92835(714) 871-3280 Get Directions Write a Review

NPPES record last updated: June 15, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Jonathon Ahn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHON AHN MD (NPI 1053803882) is an individual anesthesiology provider in Fullerton, California, licensed in California (A164226) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2018).

NPPES Registry Identity

NPI1053803882

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. JONATHON AHNCredential: MD

Location Address101 E VALENCIA MESA DRFullerton, CA 92835-3809

Mailing Address26376 Fowler DrLoma Linda, CA 92354-6579

Phone(714) 871-3280

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2018

Enumeration DateJune 6, 2018

Last NPPES UpdateJune 15, 2023

NPPES CertifiedMarch 31, 2023

✔ NPI 1053803882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A164226

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

101 E VALENCIA MESA DR, Fullerton, CA 92835

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathon Ahn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840658506

PECOS Enrollment IDI20230628001049

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jonathon Ahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allied Anesthesia Medical Group Inc

Reassigned Medicare billing, California enrollment
420 clinicians in this Medicare group

No phone listed

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

18 services18 patients

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

15 services15 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

14 services13 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

14 services13 patients

Injection of substance into lower spine canal 62322

This procedure involves injecting a substance into your lower spine canal, often for pain relief or diagnostic purposes. A needle is carefully inserted into the area, and the substance is then administered. It's generally safe and can provide valuable information about your spinal health.

11 services11 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PIUS J. KIM M.D.

Internal Medicine