Colin Millar, MD
NPI 1134682016 · Family Medicine Physician · Columbus, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Millar, MD is a Family Medicine Physician provider in Columbus, WI (NPI 1134682016).
Provider details
- NPI number
- 1134682016
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 75923-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
150 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 39 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $121 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 18 | $46 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 14 | $76 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 208 | 60 |
| Lisinopril | 111 | 32 |
| Amlodipine Besylate | 83 | 24 |
| Omeprazole | 79 | 25 |
| Hydrochlorothiazide | 62 | 17 |
| Metoprolol Succinate | 60 | 13 |
| Furosemide | 59 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2022-09-08
- Certified
- 2022-09-08
Frequently asked questions
- What is Colin Millar's NPI number?
- Colin Millar's National Provider Identifier (NPI) is 1134682016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Millar's specialty?
- Colin Millar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Millar located?
- Colin Millar's practice location on file with NPPES is 1515 Park Ave, Columbus, WI 53925-2402.
- What is Colin Millar's phone number?
- The practice phone number listed in the NPPES registry for Colin Millar is (920) 623-2200.
- Does Colin Millar accept Medicare?
- Colin Millar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Millar's NPI active?
- Yes — Colin Millar's NPI (1134682016) is active in the NPPES registry as of the last update on 2022-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.