DR. NATHAN E MILLIKAN MD
NPI 1679542716
Internal Medicine - Cardiovascular Disease in Indianapolis, IN

Active since March 14, 2006PECOS EnrolledAccepts Medicare Assignment
8333 NAAB RD STE 420, INDIANAPOLIS, IN 46260(317) 338-6666 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 19, 2025, Jul 26, 2022, Nov 12, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Nathan E Millikan Md NPPES

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

DR. NATHAN E MILLIKAN MD (NPI 1679542716) is an individual cardiovascular disease provider in Indianapolis, Indiana, licensed in Indiana (01043574A) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Kokomo, and maintains a secondary practice location in Rushville.

NPPES Registry Identity

NPI1679542716
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. NATHAN E MILLIKANCredential: MD
Location Address8333 NAAB RD STE 420Indianapolis, IN 46260-1992
Mailing Address8333 Naab Rd Ste 420Indianapolis, IN 46260-1992
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1994
Enumeration DateMarch 14, 2006
Last NPPES UpdateFebruary 19, 20254 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
NPI 1679542716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in IN · 01043574A
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 01043574A (IN)
8333 NAAB RD STE 420, Indianapolis, IN 46260

Secondary Practice Location 1

Location 11310 N Main StRushville, IN 46173-1116 · Phone (765) 932-7536 · Fax (765) 932-7535

Accepted 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. Nathan E Millikan 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 ID749194736
PECOS Enrollment IDI20070619000202
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 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.
661 services524 patients
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.
535 services445 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
270 services263 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
189 services162 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
115 services115 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
103 services103 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension St Vincent Kokomo

Acute Care Hospitals · Kokomo, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150010
Location1907 W Sycamore StKokomo, IN 46904 · Howard County
Emergency services Birthing friendly

Ascension St Vincent Hospital

Acute Care Hospitals · Indianapolis, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150084
Location2001 W 86th StIndianapolis, IN 46260 · Marion County
Emergency services Birthing friendly

Ascension St Vincent Anderson

Acute Care Hospitals · Anderson, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150088
Location2015 Jackson StAnderson, IN 46016 · Madison County
Emergency services Birthing friendly

St Vincent Heart Center

Acute Care Hospitals · Carmel, IN
5/5 CMS rating
OwnershipProprietary
CMS Certification Number150153
Location10580 N Meridian StCarmel, IN 46290 · Hamilton County
Emergency services

Rush Memorial Hospital

Critical Access Hospitals · Rushville, IN
OwnershipGovernment - Local
CMS Certification Number151304
Location1300 N Main StRushville, IN 46173 · Rush County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46260 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Internal Medicine (Cardiovascular Disease)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Internal Medicine (Interventional Cardiology)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Nurse Practitioner (Family)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Internal Medicine (Cardiovascular Disease)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Internal Medicine (Cardiovascular Disease)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260
Physician Assistant (Surgical)
8333 NAAB RD STE 420
INDIANAPOLIS, IN 46260

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679542716, enumerated as an "individual" on March 14, 2006.

The provider is located at 8333 NAAB RD STE 420 INDIANAPOLIS, IN 46260 and the phone number is (317) 338-6666.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.

Nathan Millikan is affiliated with: ASCENSION ST VINCENT KOKOMO, ASCENSION ST VINCENT HOSPITAL, ASCENSION ST VINCENT ANDERSON, ST VINCENT HEART CENTER and RUSH MEMORIAL HOSPITAL.