DR. KYU D AHN M.D.
NPI 1427015593
Internal Medicine in Pomona, CA

Active since May 01, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0564162 · Waiver
1902 ROYALTY DR, STE 140, POMONA, CA 91767(909) 620-0389(909) 623-3911 Get Directions Write a Review

NPPES record last updated: May 30, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Kyu D Ahn M.d. NPPES

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

DR. KYU D AHN M.D. (NPI 1427015593) is an individual internal medicine provider in Pomona, California, licensed in California (A35299) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 31, 2026, and is a graduate of Other (1977).

NPPES Registry Identity

NPI1427015593
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KYU D AHNCredential: M.D.
Location Address1902 ROYALTY DR, STE 140Pomona, CA 91767-3038
Mailing Address1902 Royalty Dr, Ste 140Pomona, CA 91767-3038 · (909) 620-0389 · Fax (909) 623-3911
Fax(909) 623-3911
Sole ProprietorNo
Medical School CMSOtherGraduated 1977
Enumeration DateMay 1, 2006
Last NPPES UpdateMay 30, 2019
NPI 1427015593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A35299
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.

1902 ROYALTY DR, Pomona, CA 91767

Other Identifiers 1

Medicaid00A352990CA

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

Dr. Kyu D Ahn M.d. 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 ID345264719
PECOS Enrollment IDI20060124000964
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0564162

Kyu D Ahn MD · Pomona, CA
Active · expires Aug 31, 2026
CLIA Number05D0564162
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorK D. Ahn
Laboratory Phone(909) 620-0389
Laboratory LocationKyu D Ahn MD1902 Royalty Dr Suite 140, Pomona, CA 91767
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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.
482 services118 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
141 services73 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.
118 services118 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.
117 services117 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.
46 services41 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
44 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91767 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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%169 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
16 suppliers79 claims185 services$5.32 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
16 suppliers64 claims75 services$0.92 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers19 claims20 services$38.92 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims765 services$0.29 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims960 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims1,560 services$0.18 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Physical Therapist
1902 ROYALTY DR, SUITE 220
POMONA, CA 91767
Physician Assistant
1902 ROYALTY DR, SUITE 130
POMONA, CA 91767
Internal Medicine (Infectious Disease)
1902 ROYALTY DR, SUITE 200
POMONA, CA 91767
Orthopaedic Surgery
1902 ROYALTY DR, #260
POMONA, CA 91767
Physical Therapist
1902 ROYALTY DR, SUITE 170
POMONA, CA 91767
Radiology (Diagnostic Radiology)
1902 ROYALTY DR
POMONA, CA 91767
Physical Therapist
1902 ROYALTY DR, SUITE 180
POMONA, CA 91767
Non-Pharmacy Dispensing Site
1902 ROYALTY DR, SUITE 120
POMONA, CA 91767

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 Kyu Ahn's NPI number?

The NPI number for Kyu Ahn is 1427015593. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Where is Kyu Ahn located?

Kyu Ahn practices at 1902 Royalty Dr Ste 140, Pomona, CA 91767. The listed phone number is (909) 620-0389.

What is Kyu Ahn's specialty?

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

Is Kyu Ahn enrolled in Medicare?

Yes. Kyu Ahn 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.

Does Kyu Ahn hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0564162) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Kyu Ahn was last updated on May 30, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.