Physician Profile
Unclaimed ProfileAbout MILLAR
Colin Tolentino Millar, MD is a healthcare provider in Columbus, WI specializing in family practice. Colin trained at University of Wisconsin School of Medicine, graduating in 2019. Colin is also listed as specializing in family medicine. According to Medicare claims data, Colin cared for 99 Medicare patients across 150 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (920) 623-2200
- Email not available
Practice Locations
1515 PARK AVE
Columbus, WI 53925
Procedures Most Often Billed to Medicare
150 services · 99 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
39 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
45 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
18 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
14 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Columbus 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Wisconsin School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2019 at University of Wisconsin School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Millar?
Dr. Millar is a family practice in Columbus, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Millar's address?
Dr. Millar is listed at 1515 PARK AVE, Columbus, WI 53925. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Millar?
The number on file is (920) 623-2200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Millar's NPI number?
Dr. Millar's National Provider Identifier is 1134682016. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Millar train?
Dr. Millar attended University of Wisconsin School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Millar been practicing?
Dr. Millar has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Millar perform?
According to Medicare billing data, Dr. Millar performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Millar confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Millar. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.