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DR. CHONG H. AHN MD
NPI 1871585216
Internal Medicine in Arlington Heights, IL

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment
1430 N. ARLINGTON HEIGHTS RD #104, ARLINGTON HEIGHTS, IL 60004(847) 253-5985(847) 253-0336 Get Directions Write a Review

NPPES record last updated: November 7, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Chong H. Ahn Md NPPES

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

DR. CHONG H. AHN MD (NPI 1871585216) is an individual internal medicine provider in Arlington Heights, Illinois, licensed in Illinois (036-051567) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and is a graduate of Other (1968).

NPPES Registry Identity

NPI1871585216
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHONG H. AHNCredential: MD
Location Address1430 N. ARLINGTON HEIGHTS RD #104Arlington Heights, IL 60004
Mailing Address1430 N. Arlington Heights Rd #104Arlington Heights, IL 60004 · (847) 253-5985 · Fax (847) 253-0336
Phone(847) 253-5985
Fax(847) 253-0336
Sole ProprietorYes
Medical School CMSOtherGraduated 1968
Enumeration DateAugust 22, 2005
Last NPPES UpdateNovember 7, 2008
✔ NPI 1871585216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-051567
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.

Other Identifiers 4

Medicare UPIND14100IL
Medicaid036051567IL
Medicare PIN633480IL
Medicare UPIND14100

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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. Chong H. Ahn 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 ID1456482652
PECOS Enrollment IDI20100702000436
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 5

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 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.
236 services62 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
58 services45 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
50 services39 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.
25 services25 patients
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.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60004 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Referred Medical Equipment & Supplies CMS DME claims

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
11 suppliers25 claims82 services$5.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Chong Ahn's NPI number?

The NPI number for Chong Ahn is 1871585216. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is Chong Ahn located?

Chong Ahn practices at 1430 N. Arlington Heights Rd #104, Arlington Heights, IL 60004. The listed phone number is (847) 253-5985.

What is Chong Ahn's specialty?

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

Is Chong Ahn enrolled in Medicare?

Yes. Chong 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.

What insurance does Chong Ahn accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Chong Ahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Chong Ahn affiliated with any hospitals?

According to CMS data, Chong Ahn is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Chong Ahn was last updated on November 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.