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NICHOLAS CHO AHN M.D.
NPI 1376983346
Internal Medicine in Springfield, IL

Active since July 05, 2013PECOS EnrolledAccepts Medicare Assignment
90.34/100
CMS Quality Rating
751 N RUTLEDGE ST, SUITE 1100, SPRINGFIELD, IL 62702(217) 545-8000(217) 545-4735 Get Directions Write a Review

NPPES record last updated: June 5, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nicholas Cho Ahn M.d. NPPES

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

NICHOLAS CHO AHN M.D. (NPI 1376983346) is an individual internal medicine provider in Springfield, Illinois, licensed in Illinois (036-141124) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Geisinger-community Medical Center, and maintains a secondary practice location in Kalamazoo.

NPPES Registry Identity

NPI1376983346
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNICHOLAS CHO AHNCredential: M.D.
Location Address751 N RUTLEDGE ST, SUITE 1100Springfield, IL 62702
Mailing AddressPo Box 19648Springfield, IL 62794-9648 · (217) 545-8000 · Fax (217) 545-4735
Phone(217) 545-8000
Fax(217) 545-4735
Sole ProprietorNo
Medical School CMSMichigan State University College Of Human MedicineGraduated 2013
Enumeration DateJuly 5, 2013
Last NPPES UpdateJune 5, 2018
✔ NPI 1376983346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in IL · 036-141124✔ Licensed in MI · 4301114315
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.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 125.064175 (IL)
751 N RUTLEDGE ST, Springfield, IL 62702
Open in Google Maps ↗

Secondary Practice Location 1

Location 15629 Stadium Dr Ste BKalamazoo, MI 49009-1952 · Phone (269) 544-3270

Other Identifiers 1

Medicaid036141124IL

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

Nicholas Cho 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 ID7719272400
PECOS Enrollment IDI20230227003063
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 10

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.
446 services221 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
89 services24 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.
85 services85 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.
68 services61 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
58 services26 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
41 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Geisinger-Community Medical Center

Acute Care Hospitals · Scranton, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390001
Location1822 Mulberry StreetScranton, PA 18510 · Lackawanna County
Emergency services Birthing friendly

Wayne Memorial Hospital

Acute Care Hospitals · Honesdale, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390125
Location601 Park StreetHonesdale, PA 18431 · Wayne County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62702 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

90.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.69
Promoting Interoperability100
Improvement Activities40

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.

ZACHARIAH GURNSEY MD
Internal Medicine
751 N RUTLEDGE ST, STE 1100
SPRINGFIELD, IL 62702
Sangamon County (217) 545-0182
CATHERINE A NARITOKU R.D.
Dietitian, Registered
751 N RUTLEDGE ST, LOWER LEVEL
SPRINGFIELD, IL 62702
Sangamon County (217) 545-0182
MRS. LUCINDA S BUESCHER M.D.
Dermatology
751 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Sangamon County (217) 545-3821
JAMES M GILCHRIST MD
Psychiatry & Neurology (Clinical Neurophysiology)
751 N RUTLEDGE ST, STE 3100
SPRINGFIELD, IL 62702
Sangamon County (217) 545-8000
DR. AKSHRA VERMA MD, MS
Internal Medicine
751 N RUTLEDGE ST, STE 1100
SPRINGFIELD, IL 62702
Sangamon County (217) 545-0182
CYNTHIA A MICHAEL MD
Internal Medicine (Pulmonary Disease)
751 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Sangamon County (217) 545-8000
TILITHA S SHAWGO
Clinical Nurse Specialist (Acute Care)
751 N RUTLEDGE ST
SPRINGFIELD, IL 62702
Sangamon County (217) 545-4421
REBECCA J LARSON MD
Dermatology (MOHS-Micrographic Surgery)
751 N RUTLEDGE ST, SUITE 2300
SPRINGFIELD, IL 62702
Sangamon County (217) 545-8000

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 Nicholas Ahn's NPI number?

The NPI number for Nicholas Ahn is 1376983346. It was assigned to this individual provider in the NPPES registry on July 5, 2013.

Where is Nicholas Ahn located?

Nicholas Ahn practices at 751 N Rutledge St Suite 1100, Springfield, IL 62702. The listed phone number is (217) 545-8000.

What is Nicholas Ahn's specialty?

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

Is Nicholas Ahn enrolled in Medicare?

Yes. Nicholas 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.

Is Nicholas Ahn affiliated with any hospitals?

According to CMS data, Nicholas Ahn is affiliated with Geisinger-Community Medical Center and Wayne Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Ahn was last updated on June 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.