JACLYN LEONG DO
NPI 1225564727
Internal Medicine in Irvine, CA

Active since May 04, 2017PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
856 HEALTH SCIENCES ROAD, IRVINE, CA 92617(949) 824-7000 Get Directions Write a Review

NPPES record last updated: March 8, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 8, 2023, Jun 30, 2020 (2 updates tracked since 2020).

About Jaclyn Leong Do NPPES

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

JACLYN LEONG DO (NPI 1225564727) is an individual internal medicine provider in Irvine, California, licensed in California (20A18532) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Campbell Univ School Of Osteopathic Medicine (2017).

NPPES Registry Identity

NPI1225564727
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJACLYN LEONGCredential: DO
Location Address856 HEALTH SCIENCES ROADIrvine, CA 92617
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Sole ProprietorNo
Medical School CMSCampbell Univ School Of Osteopathic MedicineGraduated 2017
Enumeration DateMay 4, 2017
Last NPPES UpdateMarch 8, 20232 updates tracked since enumeration
NPPES CertifiedMarch 7, 2023
NPI 1225564727 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in CA · 20A18532 Licensed in AZ · R2783
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
856 HEALTH SCIENCES ROAD, Irvine, CA 92617

Secondary Practice Locations 2

Location 11640 Newport Blvd Ste 200Costa Mesa, CA 92627-3786 · Phone (714) 456-8180
Location 21501 N Campbell Ave Rm 6336Tucson, AZ 85724-5040 · Phone (520) 626-8818

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jaclyn Leong Do 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 ID5698030658
PECOS Enrollment IDI20201215001193
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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
90 services61 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92617 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.4
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 2

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

Acupuncturist
856 HEALTH SCIENCES ROAD, SUITE 2600
IRVINE, CA 92617
Dietitian, Registered
856 HEALTH SCIENCES ROAD, SUITE 2600
IRVINE, CA 92617

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 Jaclyn Leong's NPI number?

The NPI number for Jaclyn Leong is 1225564727. It was assigned to this individual provider in the NPPES registry on May 4, 2017.

Where is Jaclyn Leong located?

Jaclyn Leong practices at 856 Health Sciences Road, Irvine, CA 92617. The listed phone number is (949) 824-7000.

What is Jaclyn Leong's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jaclyn Leong enrolled in Medicare?

Yes. Jaclyn Leong 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.

When was this NPI record last updated?

The NPPES record for Jaclyn Leong was last updated on March 8, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.