Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1376983346 Individual Practitioner Male Practitioner

Dr. Nicholas Cho Ahn , MD

Internal Medicine • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nicholas Ahn, MD is a certified Internal Medicine practicing in Springfield, IL. With approximately 13 years of clinical experience since graduating from Michigan State University College Of Human Medicine in 2013, Dr. Ahn delivers high-quality medical care to the local community at 751 N RUTLEDGE ST.

Dr. Ahn is affiliated with Wayne Memorial Community Health Centers and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

751 N Rutledge St
Suite 1100

Springfield, IL 62702

Telephone 2175458000
Fax 2175454735
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Michigan State University College Of Human Medicine

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Springfield, IL

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
13 Yrs -6.1 yrs vs City Avg
City Avg: 19.1 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
206 Specialists

Practicing in Springfield, IL (7544 Statewide)

Telehealth Adoption Rate
4.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
46.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ahn (13 Years) 13 Yrs
Springfield Specialty Average (19.1 Years) 19.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
446 221 $200.00 $120.72
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
89 24 $129.00 $43.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
85 85 $285.00 $122.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
68 61 $250.00 $170.84
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes
58 26 $129.00 $46.01
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
41 16 $40.00 $13.43
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg
34 14 $10.00 $1.21
99213 Established patient office or other outpatient visit, typically 15 minutes
31 29 $125.00 $86.02
G0008 Administration of influenza virus vaccine
28 28 $40.00 $30.77
90662 Influenza vaccine split virus, preservative free
27 27 $140.00 $81.09

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-141124

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MI 4301114315

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.

Psychiatry & Neurology - Psychiatry

NUCC Taxonomy Code: 2084P0800X

State License IL 125.064175

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
036141124 (IL)

Hospital & Practice Group Affiliations

Wayne Memorial Community Health Centers

358 Hamlin Hwy, Lake Ariel, PA 184369382

Phone: 5706892242

Wayne Memorial Community Health Centers

543 Easton Tpke, Lake Ariel, PA 184364718

Phone: 5706899965

Secondary Practice Locations

5629 Stadium Dr Ste B

Kalamazoo, MI 490091952

Phone: 2695443270

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Amanda Henson , LCSW

Social Worker - Clinical

NPI 1003247115

Licensed Clinical Social Worker

Dr. Fadel Bofarrag , MD, MPH

Internal Medicine - Cardiovascular Disease

NPI 1003291279

Doctor of Medicine (M.D.), Master of Public Health

Jerry Priddy , PA-C

Physician Assistant

NPI 1003351115

Physician Assistant (Certified)

Dr. Ashley Mohan , DO

Internal Medicine - Hematology & Oncology

NPI 1003377565

Doctor of Osteopathic Medicine (D.O.)

Dr. Linda Ponce Rosas , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1003501065

Doctor of Medicine (M.D.)

Jay Benoit

Nurse Practitioner - Family

NPI 1003579335

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location June 05, 2018

Registered at 751 N RUTLEDGE ST, SUITE 1100, SPRINGFIELD, IL 62702 (Tel: 2175458000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 05, 2018

Internal Medicine (License #4301114315 in MI)

NPI Profile Active August 23, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location August 23, 2016

Registered at 751 N RUTLEDGE ST, SUITE 1100, SPRINGFIELD, IL 627024968 (Tel: 2175458000)

📍
Updated Business Mailing Address August 23, 2016

Registered at PO BOX 19648, SPRINGFIELD, IL 627949648 (Tel: 2175458000)

👤
Provider Name / Credentials Updated August 23, 2016

Recorded as NICHOLAS AHN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 23, 2016

Internal Medicine (License #036-141124 in IL)

🟢
Initial NPI Registration & Enumeration July 05, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1376983346
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 05, 2013
Last Update: June 05, 2018
Sole Proprietor: No

Mailing Address

Po Box 19648

Springfield, IL 627949648

Phone: 2175458000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.