Christopher Britt Kolar, MD
Emergency Medicine Physician · Green Bay, WI
Christopher Britt Kolar, MD is an emergency medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1962638064, issued on Jun 3, 2009. Check the license (Wisconsin 56853-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Britt Kolar
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 56853-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 835 S Van Buren St, Green Bay, WI 54301
- Phone
- (920) 433-8384
- Enumerated
- Jun 3, 2009
- Record last updated
- Feb 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120905000604); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
Also registered at 835 S Van Buren St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Agen, MS, GCGenetic Counselor (M.S.)1780574806
- Youssef Ahmed, MDPediatrics Physician1114423092
- Zaheer Akhtar, DOHospitalist Physician1366002966
- Richard Amankwah, MDHospitalist Physician1164712741
- Joel Ament, MDPediatric Critical Care Medicine Physician1861425456
Verify Christopher Britt Kolar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 56853-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
122 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen13 claims
- Ondansetron Odt12 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
- Vituity-Wisconsin EM SCGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Britt Kolar among 1,464 emergency medicine physician records in Wisconsin
Christopher Britt Kolar, MD is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2011 among the 844 with a school on file
- Record last updated2017 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin.
All 1,464 in Wisconsin → Every provider in Green Bay → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Adam Aicher, D.O.Green Bay, WI 543011336280585
- Megan BocchicchioGreen Bay, WI 543011932780657
- Paul Casey, M.D.Green Bay, WI 543011427031236
- Jason Coisman, DOGreen Bay, WI 543011538135926
- Jill Harman, M.D.Green Bay, WI 543011144203969
- Chase Hemphill, DOGreen Bay, WI 543011134689987
- David Hoyer, M.D.Green Bay, WI 543011629051164
- Samuel Leaf, D.O.Green Bay, WI 543011295155596
Common questions
What is Christopher Britt Kolar, MD's NPI number?
Christopher Britt Kolar, MD's National Provider Identifier (NPI) is 1962638064, issued on Jun 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Britt Kolar, MD located?
The NPPES record lists a practice address at 835 S Van Buren St, Green Bay, WI, 54301. Phone: (920) 433-8384. Providers update this record themselves, so call before visiting.
How can I verify Christopher Britt Kolar, MD's license?
NPPES lists Wisconsin license number 56853-20, 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 Christopher Britt Kolar, MD prescribe under Medicare Part D?
In 2024, Christopher Britt Kolar, MD had 122 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.