Colin Tolentino Millar, MD
Family Medicine Physician · Columbus, WI
Colin Tolentino Millar, MD is a family medicine physician with a practice address in Columbus, Wisconsin, and NPI 1134682016, issued on Apr 9, 2019. Check the license (Wisconsin 75923-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Colin Tolentino Millar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 75923-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Park Ave, Columbus, WI 53925
- Phone
- (920) 623-2200
- Enumerated
- Apr 9, 2019
- Record last updated
- Sep 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20220927003282); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1515 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sean Ackerman, M.D.Psychiatry Physician1548559305
- John AdertonPhysical Therapist1659088946
- Rachel Adler, RD CDRegistered Dietitian1356519359
- Zachary Ahola, MDFamily Medicine Physician1003307539
- Leslie Alzuhn-Hansen, MDObstetrics & Gynecology Physician1508871096
- Jennifer Arendt, RD, CDRegistered Dietitian1548576762
Verify Colin Tolentino Millar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75923-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,311 Medicare Part D claims for 202 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium208 claims
- Lisinopril111 claims
- Amlodipine Besylate83 claims
- Omeprazole79 claims
- Hydrochlorothiazide62 claims
- Metoprolol Succinate60 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Prairie Ridge Health IncColumbus, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colin Tolentino Millar among 3,765 family medicine physician records in Wisconsin
Colin Tolentino Millar, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2007 among the 2,347 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Columbus
They are 11 of the 138 NPPES records with a practice address in Columbus, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Columbus → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Zachary Ahola, MDColumbus, WI 539251003307539
- Janis Byrd, MDColumbus, WI 539251306895214
- Jean Carstensen, M.D.Columbus, WI 539251467655613
- Justinne Certeza, D.O.Columbus, WI 539251104562024
- Charles Hansell, MDColumbus, WI 539251699724179
- Elizabeth Larson, MDColumbus, WI 539251912141433
- Elise Malzer, MDColumbus, WI 539251851853626
- Thomas Mitchell, MDColumbus, WI 539251891764114
Common questions
What is Colin Tolentino Millar, MD's NPI number?
Colin Tolentino Millar, MD's National Provider Identifier (NPI) is 1134682016, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Colin Tolentino Millar, MD located?
The NPPES record lists a practice address at 1515 Park Ave, Columbus, WI, 53925. Phone: (920) 623-2200. Providers update this record themselves, so call before visiting.
How can I verify Colin Tolentino Millar, MD's license?
NPPES lists Wisconsin license number 75923-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Colin Tolentino Millar, MD prescribe under Medicare Part D?
In 2024, Colin Tolentino Millar, MD had 2,311 Medicare Part D claims for 202 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.