Chad O'Nan, MD
NPI 1194708107 · Family Medicine Physician · Carmel, IN
Chad O'Nan, MD is a Family Medicine Physician provider in Carmel, IN (NPI 1194708107).
Provider details
- NPI number
- 1194708107
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01056331A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 70 | 17 |
| Metoprolol Succinate | 38 | 12 |
| Rosuvastatin Calcium | 37 | — |
| Levothyroxine Sodium | 36 | — |
| Amlodipine Besylate | 36 | — |
| Alprazolam | 32 | — |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$104 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-23
- Last updated
- 2022-12-12
- Certified
- 2022-12-12
Frequently asked questions
- What is Chad O'Nan's NPI number?
- Chad O'Nan's National Provider Identifier (NPI) is 1194708107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad O'Nan's specialty?
- Chad O'Nan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chad O'Nan located?
- Chad O'Nan's practice location on file with NPPES is 12174 N Meridian St Ste 300, Carmel, IN 46032-4578.
- What is Chad O'Nan's phone number?
- The practice phone number listed in the NPPES registry for Chad O'Nan is (317) 688-9000.
- Is Chad O'Nan's NPI active?
- Yes — Chad O'Nan's NPI (1194708107) is active in the NPPES registry as of the last update on 2022-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.