KAITLYN AHYOUNG AHN DO
NPI 1366063851
Family Medicine in Colton, CA

Q: What is Kaitlyn Ahn's NPI number?

The NPI number for Kaitlyn Ahn is 1366063851. It was assigned to this individual provider in the NPPES registry on May 6, 2020. The provider is also known as Kaitlyn Ahyoung Yoon.

Q: What is Kaitlyn Ahn's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Kaitlyn Ahn was last updated on December 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 06, 2020PECOS EnrolledAccepts Medicare Assignment

400 N PEPPER AVE, COLTON, CA 92324(949) 355-3737 Get Directions Write a Review

NPPES record last updated: December 22, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2023, May 6, 2020 (2 updates tracked since 2020).

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About Kaitlyn Ahyoung Ahn Do NPPES

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

KAITLYN AHYOUNG AHN DO (NPI 1366063851) is an individual family medicine provider in Colton, California, licensed in California (20A21200) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1366063851

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameKAITLYN AHYOUNG AHNCredential: DO

Location Address400 N PEPPER AVEColton, CA 92324-1801

Mailing Address400 N Pepper AveColton, CA 92324-1801

Phone(949) 355-3737

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMay 6, 2020

Last NPPES UpdateDecember 22, 20232 updates tracked since enumeration

NPPES CertifiedNovember 17, 2023

✔ NPI 1366063851 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 20A21200

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

400 N PEPPER AVE, Colton, CA 92324

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Other Names 1

Former Name (1)Kaitlyn Ahyoung Yoon

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

Kaitlyn Ahyoung Ahn 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 ID2264881028

PECOS Enrollment IDI20231206000888

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

Southern California Permanente Medical Group

31 mi

Health Maintenance Organization

441 N LAKEVIEW AVE
Anaheim, CA 92807

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1952333460 (714) 279-4000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92324 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Robert ***** December 27, 2024

5/5

I had an appointment with Kaitlyn Ahyoung Ahn DO on 12-27-24. She was very prompt, personable, competent and professional, and was able to diagnose my foot problem immediately. She gave me instructions for care and exercises to correct the problem. I am very pleased with her help in this matter.

Provider 5/5 Office Staff 5/5

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