AILIN KO PA
NPI 1356917421
Physician Assistant in Covina, CA

Active since May 31, 2021PECOS EnrolledAccepts Medicare Assignment
420 W ROWLAND ST, COVINA, CA 91723(626) 331-6411 Get Directions Write a Review

NPPES record last updated: December 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 28, 2025, Dec 20, 2021, Dec 9, 2021 and 1 more (4 updates tracked since 2021).

About Ailin Ko Pa NPPES

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

AILIN KO PA (NPI 1356917421) is an individual physician assistant in Covina, California and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2021).

NPPES Registry Identity

NPI1356917421
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameAILIN KOCredential: PA
Location Address420 W ROWLAND STCovina, CA 91723-2943
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorYes
Medical School CMSDuke University School Of MedicineGraduated 2021
Enumeration DateMay 31, 2021
Last NPPES UpdateDecember 28, 20254 updates tracked since enumeration
NPPES CertifiedDecember 28, 2025
NPI 1356917421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
420 W ROWLAND ST, Covina, CA 91723

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

Ailin Ko Pa 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 ID3476920604
PECOS Enrollment IDI20221101001844
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 4

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
64 services47 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services21 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
22 services22 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91723 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
420 W ROWLAND ST
COVINA, CA 91723
Emergency Medicine
420 W ROWLAND ST
COVINA, CA 91723
Pharmacy (Community/Retail Pharmacy)
420 W ROWLAND ST
COVINA, CA 91723
Internal Medicine
420 W ROWLAND ST
COVINA, CA 91723
Ophthalmology
420 W ROWLAND ST
COVINA, CA 91723
Internal Medicine (Hematology & Oncology)
420 W ROWLAND ST
COVINA, CA 91723
Emergency Medicine
420 W ROWLAND ST
COVINA, CA 91723
Emergency Medicine
420 W ROWLAND ST
COVINA, CA 91723

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 Ailin Ko's NPI number?

The NPI number for Ailin Ko is 1356917421. It was assigned to this individual provider in the NPPES registry on May 31, 2021.

Where is Ailin Ko located?

Ailin Ko practices at 420 W Rowland St, Covina, CA 91723. The listed phone number is (626) 331-6411.

What is Ailin Ko's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Ailin Ko enrolled in Medicare?

Yes. Ailin Ko 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 Ailin Ko was last updated on December 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.