Brock Mcmillen, M.D.
NPI 1952629644 · Family Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brock Mcmillen, M.D. is a Family Medicine Physician provider in Indianapolis, IN (NPI 1952629644).
Provider details
- NPI number
- 1952629644
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01072127A (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
16 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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 62 | 30 |
| Lisinopril | 53 | 25 |
| Metformin Hcl | 40 | 18 |
| Semaglutidebrand: Ozempic | 39 | — |
| Tirzepatidebrand: Mounjaro | 31 | — |
| Gabapentin | 29 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$165 across 9 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
- 2010-05-05
- Last updated
- 2024-03-11
- Certified
- 2024-03-11
Frequently asked questions
- What is Brock Mcmillen's NPI number?
- Brock Mcmillen's National Provider Identifier (NPI) is 1952629644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brock Mcmillen's specialty?
- Brock Mcmillen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brock Mcmillen located?
- Brock Mcmillen's practice location on file with NPPES is 5550 S East St Ste C, Indianapolis, IN 46227-1991.
- What is Brock Mcmillen's phone number?
- The practice phone number listed in the NPPES registry for Brock Mcmillen is (317) 534-4660.
- Does Brock Mcmillen accept Medicare?
- Brock Mcmillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brock Mcmillen's NPI active?
- Yes — Brock Mcmillen's NPI (1952629644) is active in the NPPES registry as of the last update on 2024-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.