Maria Beg, MD
Internal Medicine Physician · Mequon, WI
Maria Beg, MD is an internal medicine physician with a practice address in Mequon, Wisconsin, and NPI 1992974703, issued on Feb 26, 2008. Check the license (Wisconsin 51701, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Maria Beg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 51701 WI
Self-reported in NPPES; status is on the state search - Practice location
- 11430 N Port Washington RD, Mequon, WI 53092
- Phone
- (262) 518-1900
- Enumerated
- Feb 26, 2008
- Record last updated
- Dec 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20110210000560); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 11430 N Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Ainbinder, MDFamily Medicine Physician1710565395
- Abigail Beachy, PHARMDPharmacist1518895572
- April Belk, PT, DPTPhysical Therapist1013796481
- Andrea Bennett, P.T.Physical Therapist1235160508
- Teresa Birmingham, DPTPhysical Therapist1255266995
- Billy Bruggink, PT, DPT, ATCPhysical Therapist1154708683
Verify Maria Beg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average internal medicine physician in 2024
3,197 Medicare Part D claims for 320 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium182 claims
- Amlodipine Besylate144 claims
- Losartan Potassium138 claims
- Levothyroxine Sodium123 claims
- Rosuvastatin Calcium103 claims
- Montelukast Sodium62 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
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
25 internal medicine physician records list a practice address in Mequon
They are 25 of the 1,048 NPPES records with a practice address in Mequon, and 2,078 internal medicine physician records in Wisconsin.
All 25 in Mequon → All 2,078 in Wisconsin → Every provider in Mequon →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Maria Beg, MD's NPI number?
Maria Beg, MD's National Provider Identifier (NPI) is 1992974703, issued on Feb 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria Beg, MD located?
The NPPES record lists a practice address at 11430 N Port Washington RD, Mequon, WI, 53092. Phone: (262) 518-1900. Providers update this record themselves, so call before visiting.
How can I verify Maria Beg, MD's license?
NPPES lists Wisconsin license number 51701, 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 Maria Beg, MD prescribe under Medicare Part D?
In 2024, Maria Beg, MD had 3,197 Medicare Part D claims for 320 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.