JASON KWON MD
NPI 1114965977
Anesthesiology in Mission Viejo, CA

Q: What is Jason Kwon's NPI number?

The NPI number for Jason Kwon is 1114965977. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Q: What is Jason Kwon'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 Jason Kwon was last updated on January 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 03, 2006PECOS EnrolledAccepts Medicare Assignment

27401 LOS ALTOS, SUITE 180, MISSION VIEJO, CA 92691(949) 582-9624(949) 582-9626 Get Directions Write a Review

NPPES record last updated: January 25, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Jason Kwon Md NPPES

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

JASON KWON MD (NPI 1114965977) is an individual anesthesiology provider in Mission Viejo, California, licensed in California (A76370) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2000).

NPPES Registry Identity

NPI1114965977

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameJASON KWONCredential: MD

Location Address27401 LOS ALTOS, SUITE 180Mission Viejo, CA 92691-6316

Mailing Address27401 Los Altos, Suite 180Mission Viejo, CA 92691-6316 · (949) 582-9624 · Fax (949) 582-9626

Phone(949) 582-9624

Fax(949) 582-9626

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2000

Enumeration DateJune 3, 2006

Last NPPES UpdateJanuary 25, 2008

✔ NPI 1114965977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A76370

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.

27401 LOS ALTOS, Mission Viejo, CA 92691

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Other Identifiers 3

Medicaid00A763700CA

Medicare PINWA76370A

Medicare UPINI15127CA

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

Jason Kwon 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 ID4587630538

PECOS Enrollment IDI20040909001186

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 Jason Kwon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Western Anesthesia Medical Associates Inc

0.2 mi

Anesthesiology

27700 MEDICAL CENTER RD
Mission Viejo, CA 92691

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

NPI 1497796320 (949) 364-1400

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 10

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 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.

35 services35 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

28 services28 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

22 services22 patients

Anesthesia for other procedure on eye 00140

Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.

17 services17 patients

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.

13 services13 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

13 services13 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.

TOD HENRICHSEN MD

Anesthesiology

27401 LOS ALTOS, SUITE 180
MISSION VIEJO, CA 92691

Orange County (949) 582-9624

DR. SCOTT DRAGOSH ISPIRESCU MD

Psychiatry & Neurology (Psychiatry)

27401 LOS ALTOS, STE #275
MISSION VIEJO, CA 92691

Orange County (949) 282-0027

BRIAN GREGORY BOONE D.P.T.

Physical Therapist

27401 LOS ALTOS, SUITE 485
MISSION VIEJO, CA 92691

Orange County (949) 716-3930

DR. DINA MARIE MARTIN D.C.

Chiropractor (Neurology)

27401 LOS ALTOS, SUITE 485
MISSION VIEJO, CA 92691

Orange County (949) 215-2000

JAMES WICKHAM MD

Anesthesiology

27401 LOS ALTOS, SUITE 180
MISSION VIEJO, CA 92691

Orange County (949) 582-9624

ERIC HSU MD

Anesthesiology

27401 LOS ALTOS, SUITE 180
MISSION VIEJO, CA 92691

Orange County (949) 582-9624

SHAWN BULLOCK MD

Anesthesiology

27401 LOS ALTOS, SUITE 180
MISSION VIEJO, CA 92691

Orange County (949) 582-9624

STEVE WONG MD

Anesthesiology

27401 LOS ALTOS, SUITE 180
MISSION VIEJO, CA 92691

Orange County (949) 582-9624

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Kwon's NPI number?

The NPI number for Jason Kwon is 1114965977. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Where is Jason Kwon located?

Jason Kwon practices at 27401 Los Altos Suite 180, Mission Viejo, CA 92691. The listed phone number is (949) 582-9624.

What is Jason Kwon's specialty?

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

Is Jason Kwon enrolled in Medicare?

Yes. Jason Kwon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jason Kwon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Kwon reassigns Medicare benefits to Western Anesthesia Medical Associates Inc (Mission Viejo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Kwon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jason Kwon was last updated on January 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.