Christopher Lieb, MD
Internal Medicine Physician · Brookfield, WI
Christopher Lieb, MD is an internal medicine physician with a practice address in Brookfield, Wisconsin, and NPI 1427071240, issued on Jul 25, 2006. Check the license (Wisconsin 47540, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Christopher Lieb
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47540 WI
Self-reported in NPPES; status is on the state search - Practice location
- 19333 W North Ave, Brookfield, WI 53045
- Phone
- (262) 785-3010
- Enumerated
- Jul 25, 2006
- Record last updated
- Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140522001616); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 19333 W North Ave
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Verify Christopher Lieb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 47540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
109 Medicare Part D claims for 57 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Lieb among 2,078 internal medicine physician records in Wisconsin
Christopher Lieb, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2000 · median 2002 among the 1,098 with a school on file
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Brookfield
They are 39 of the 2,036 NPPES records with a practice address in Brookfield, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Brookfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael CadaBrookfield, WI 530451356529804
- Anna EdlebeckBrookfield, WI 530451073790804
- Patrick Fitzgerald, M.D.Brookfield, WI 530451326010026
- Barbara Horner-Ibler, MDBrookfield, WI 530451225145840
- Swarnambal Mani, M.D.Brookfield, WI 530451487844353
- Peter Martin, MDBrookfield, WI 530451730444282
- Mark Obermyer, MDBrookfield, WI 530451669634820
- Andrea Woodard, M.D.Brookfield, WI 530451558448100
Common questions
What is Christopher Lieb, MD's NPI number?
Christopher Lieb, MD's National Provider Identifier (NPI) is 1427071240, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Lieb, MD located?
The NPPES record lists a practice address at 19333 W North Ave, Brookfield, WI, 53045. Phone: (262) 785-3010. Providers update this record themselves, so call before visiting.
How can I verify Christopher Lieb, MD's license?
NPPES lists Wisconsin license number 47540, 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 Lieb, MD prescribe under Medicare Part D?
In 2024, Christopher Lieb, MD had 109 Medicare Part D claims for 57 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Christopher Lieb, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.