Quentin Mattern, MD
Family Medicine Physician · Milwaukee, WI
Quentin Mattern, MD is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1003996158, issued on Oct 16, 2006. Check the license (Wisconsin 44079, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Quentin Mattern
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 44079 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2320 N Lake Dr, Milwaukee, WI 53211
- Phone
- (414) 270-4932
- Enumerated
- Oct 16, 2006
- Record last updated
- May 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 34162200 WI
- Medicare enrollment
- Enrolled (PECOS I20050112001107); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 2320 N Lake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lydia Assioun, M.D.Hospitalist Physician1487049128
- Naveen Bilgi, MDInternal Medicine Physician1346482775
- Lucian DorneanuHospitalist Physician1922539790
- Teresa Gallo, APNPNurse Practitioner1336226638
- Steve Johnston, MDFamily Medicine Physician1275623993
- Wesley Lafferty, MDFamily Medicine Physician1598845646
Verify Quentin Mattern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 44079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
31 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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
- Orthopaedic Hospital OF Wisconsin, LLCGlendale, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Quentin Mattern among 3,765 family medicine physician records in Wisconsin
Quentin Mattern, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2007 among the 2,347 with a school on file
- Record last updated2011 · 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).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cesar Azcueta, MDMilwaukee, WI 532111598786535
- Evelyn Burdick, M.D.Shorewood, WI 532111942243464
- Steve Johnston, MDMilwaukee, WI 532111275623993
- Cynthia Jones-Nosacek, MDMilwaukee, WI 532111760561518
- Arthur King, MDMilwaukee, WI 532111962470104
- Wesley Lafferty, MDMilwaukee, WI 532111598845646
- Kim Merriman, M.D.Shorewood, WI 532111881638724
- John Miller, M.D.Shorewood, WI 532111013950922
Common questions
What is Quentin Mattern, MD's NPI number?
Quentin Mattern, MD's National Provider Identifier (NPI) is 1003996158, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Quentin Mattern, MD located?
The NPPES record lists a practice address at 2320 N Lake Dr, Milwaukee, WI, 53211. Phone: (414) 270-4932. Providers update this record themselves, so call before visiting.
How can I verify Quentin Mattern, MD's license?
NPPES lists Wisconsin license number 44079, 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 Quentin Mattern, MD prescribe under Medicare Part D?
In 2024, Quentin Mattern, MD had 31 Medicare Part D claims for 28 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.