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Active NPI 1912341447 Individual Practitioner Male Practitioner

Dr. Nicholas Junhyuk Ahn , MD

Surgery • Stony Brook, NY

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Nicholas Ahn, MD is a certified Surgery practicing in Stony Brook, NY. With approximately 13 years of clinical experience since graduating from Pennsylvania State University College Of Medicine in 2013, Dr. Ahn delivers high-quality medical care to the local community at HEALTH SCIENCE TOWER LEVEL 19, ROOM 030.

Dr. Ahn is affiliated with Stony Brook Surgical Associates University Faculty Practice Corporati and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

Health Science Tower Level 19, Room 030

Stony Brook, NY 117943412

Telephone 6314441791

Medicare Profile & Education

Medical School

Pennsylvania State University College Of Medicine

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Stony Brook, NY

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
13 Yrs -4.1 yrs vs City Avg
City Avg: 17.1 Yrs
State Avg: 27.8 Yrs
Regional Practice Density
32 Specialists

Practicing in Stony Brook, NY (2269 Statewide)

Telehealth Adoption Rate
6.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
82.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ahn (13 Years) 13 Yrs
Stony Brook Specialty Average (17.1 Years) 17.1 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
52 52 $320.00 $132.07
99213 Established patient office or other outpatient visit, typically 15 minutes
39 28 $260.00 $107.09
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare
23 23 $1950.00 $278.43
45378 Diagnostic exam of large bowel using a flexible endoscope
20 20 $1200.00 $210.81
46600 Diagnostic examination of the anus using an endoscope
17 16 $369.71 $142.98
45380 Biopsy of large bowel using an endoscope
12 12 $1500.00 $126.49

Medical Specialties & State Licenses

CMS Verified: 2021-09-07
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License NY 306605

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

State License None 63283

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Stony Brook Surgical Associates University Faculty Practice Corporati

255 W Montauk Hwy, Hampton Bays, NY 11946

Phone: 6317235000

Secondary Practice Locations

47 New Scotland Ave, Department Of Surgery

Albany, NY 122083412

Phone: 5182625374

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Alexander Neary , MD

Student in an Organized Health Care Education/Training Program

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Doctor of Medicine (M.D.)

Dr. Benjamin Rismany , MD

Student in an Organized Health Care Education/Training Program

NPI 1003669441

Doctor of Medicine (M.D.)

Dr. Taylor Hartlein , MD

Student in an Organized Health Care Education/Training Program

NPI 1023758513

Doctor of Medicine (M.D.)

Dr. Priyanka Ramachandra , MD

Student in an Organized Health Care Education/Training Program

NPI 1033795505

Doctor of Medicine (M.D.)

Dr. Emily Nguyen , MD

Student in an Organized Health Care Education/Training Program

NPI 1083278352

Doctor of Medicine (M.D.)

Dr. Panagiotis Volteas , MD

Student in an Organized Health Care Education/Training Program

NPI 1104339357

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Business Mailing Address September 07, 2021

Registered at HEALTH SCIENCE TOWER LEVEL 18, ROOM 051, STONY BROOK, NY 117948191 (Tel: 6314442704)

📍
Updated Practice Location March 13, 2020

Registered at HEALTH SCIENCE TOWER LEVEL 19, ROOM 030, STONY BROOK, NY 117943412 (Tel: 6314441791)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 13, 2020

Student in an Organized Health Care Education/Training Program

NPI Profile Active April 26, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location April 26, 2013

Registered at 47 NEW SCOTLAND AVE, DEPARTMENT OF SURGERY, ALBANY, NY 122083412 (Tel: 5182625374)

📍
Updated Business Mailing Address April 26, 2013

Registered at 47 NEW SCOTLAND AVE, DEPARTMENT OF SURGERY, ALBANY, NY 122083412

👤
Provider Name / Credentials Updated April 26, 2013

Recorded as NICHOLAS AHN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 26, 2013

Student in an Organized Health Care Education/Training Program (License #63283 in None)

🟢
Initial NPI Registration & Enumeration April 26, 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: 1912341447
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 26, 2013
Last Update: September 07, 2021
Sole Proprietor: Yes

Mailing Address

Health Science Tower Level 18, Room 051

Stony Brook, NY 117948191

Phone: 6314442704

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.