Nathan Millikan, MD
NPI 1679542716 · Cardiovascular Disease Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Millikan, MD is a Cardiovascular Disease Physician provider in Indianapolis, IN (NPI 1679542716).
Provider details
- NPI number
- 1679542716
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01043574A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,122 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 661 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 535 | $119 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 270 | $63 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 189 | $7 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 115 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 989 | 307 |
| Apixabanbrand: Eliquis | 501 | 110 |
| Atorvastatin Calcium | 500 | 144 |
| Amlodipine Besylate | 406 | 119 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 394 | 111 |
| Losartan Potassium | 281 | 90 |
Practice location
Mailing address
Additional practice locations (1)
- 1310 N Main StRushville, IN 46173-1116Phone: (765) 932-7536Fax: (765) 932-7535
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2025-02-19
- Certified
- 2025-02-19
Frequently asked questions
- What is Nathan Millikan's NPI number?
- Nathan Millikan's National Provider Identifier (NPI) is 1679542716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Millikan's specialty?
- Nathan Millikan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Millikan located?
- Nathan Millikan's practice location on file with NPPES is 8333 Naab Rd Ste 420, Indianapolis, IN 46260-1992.
- What is Nathan Millikan's phone number?
- The practice phone number listed in the NPPES registry for Nathan Millikan is (317) 338-6666.
- Does Nathan Millikan accept Medicare?
- Nathan Millikan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Millikan's NPI active?
- Yes — Nathan Millikan's NPI (1679542716) is active in the NPPES registry as of the last update on 2025-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.