1. Home
  2. Directory
  3. Kentucky
  4. Louisville
  5. Orthopaedic Surgery
  6. NPI Profile

NICHOLAS UTCHAN AHN MD
NPI 1356369482
Orthopaedic Surgery in Louisville, KY

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
79.48/100
CMS Quality Rating
550 S JACKSON ST, LOUISVILLE, KY 40202(502) 588-4521(502) 588-9542 Get Directions Write a Review

NPPES record last updated: October 5, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 5, 2023, Aug 7, 2023, Jul 26, 2023 and 2 more (5 updates tracked since 2021).

About Nicholas Utchan Ahn Md NPPES

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

NICHOLAS UTCHAN AHN MD (NPI 1356369482) is an individual orthopaedic surgery provider in Louisville, Kentucky, licensed in Kentucky (58613) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and is a graduate of Harvard Medical School (1996).

NPPES Registry Identity

NPI1356369482
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameNICHOLAS UTCHAN AHNCredential: MD
Location Address550 S JACKSON STLouisville, KY 40202-1622
Mailing AddressPo Box 909Louisville, KY 40201-0909 · (502) 588-0328
Phone(502) 588-4521
Fax(502) 588-9542
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1996
Enumeration DateJuly 17, 2006
Last NPPES UpdateOctober 5, 20235 updates tracked since enumeration
NPPES CertifiedOctober 5, 2023
✔ NPI 1356369482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in KY · 58613
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
550 S JACKSON ST, Louisville, KY 40202
Open in Google Maps ↗

Other Identifiers 10

Other000000221339OH · Unison
Medicaid300081605IN
OtherP00353696OH · Railroad Medicare
Medicaid2536572OH
Other735540OH · Buckeye
Other363304OH · Wellcare
Other7858409Aetna
Other000000503699OH · Anthem
Medicaid7100784450KY
OtherP00219603OH · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter Health and more.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

Nicholas Utchan 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 ID5597719047
PECOS Enrollment IDI20230814000543
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 4

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.
28 services24 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
18 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services16 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.
15 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180040
Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County
Emergency services

University Of Louisville Hospital

Acute Care Hospitals · Louisville, KY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180141
Location530 South Jackson StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 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
$82.24 typical visit price
range $52.76 – $162.27
Typical copayment $20.56 (range $13.19 – $40.56)
Most-billed visit code 99203
Established Patient
$66.24 typical visit price
range $16.53 – $131.99
Typical copayment $16.56 (range $4.13 – $32.99)
Most-billed visit code 99213
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.

79.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.51
Promoting Interoperability100
Improvement Activities40
Cost63.09

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.

BROCK AARON MARTIN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
550 S JACKSON ST
LOUISVILLE, KY 40202
Jefferson County (502) 852-1816
UNIVERSITY PHYSICIAN ASSOCIATES
Internal Medicine (Critical Care Medicine)
550 S JACKSON ST, 3RD FLOOR
LOUISVILLE, KY 40202
Jefferson County (502) 561-8686
KATHRYN KENDALL BURKE MD
Student in an Organized Health Care Education/Training Program
550 S JACKSON ST
LOUISVILLE, KY 40202
Jefferson County (502) 852-5666
STANLEY A. GALL M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
550 S JACKSON ST, 3RD FLOOR
LOUISVILLE, KY 40202
Jefferson County (502) 561-8850
DR. STEVEN B LIPPMANN M.D.
Psychiatry & Neurology (Psychiatry)
550 S JACKSON ST
LOUISVILLE, KY 40202
Jefferson County (502) 852-1759
STEPHEN HOUGHLAND MD
Internal Medicine
550 S JACKSON ST
LOUISVILLE, KY 40202
Jefferson County (502) 562-6510
UNIVERISTY PHYSICIAN ASSOCIATES
Surgery (Vascular Surgery)
550 S JACKSON ST, 2ND FLOOR
LOUISVILLE, KY 40202
Jefferson County (502) 562-6511
AMELIA EINFALT POWER MD
Student in an Organized Health Care Education/Training Program
550 S JACKSON ST
LOUISVILLE, KY 40202
Jefferson County (502) 852-4277

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 1356369482. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Nicholas Ahn located?

Nicholas Ahn practices at 550 S Jackson St, Louisville, KY 40202. The listed phone number is (502) 588-4521.

What is Nicholas Ahn's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

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.

What insurance does Nicholas Ahn accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield and 1 other insurer list Nicholas 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 Nicholas Ahn affiliated with any hospitals?

According to CMS data, Nicholas Ahn is affiliated with Jewish Hospital & St Mary's Healthcare and University Of Louisville Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Ahn was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.