Registry data as of Aug 27, 2026

Marsha Davis, MD

Internal Medicine Physician · Mequon, WI

Marsha Davis, MD is an internal medicine physician with a practice address in Mequon, Wisconsin, and NPI 1063451235, issued on Jun 5, 2006. Check the license (Wisconsin 35737, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063451235
Name
Marsha Davis
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35737 WI
Self-reported in NPPES; status is on the state search
Practice location
1516 W Mequon RD, Mequon, WI 53092
Phone
(262) 242-0700
Enumerated
Jun 5, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1516 W Mequon RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Katie Andrew, P.T.Physical Therapist1699795393
  2. David Diamond, M.P.T.Physical Therapist1932123023
  3. Sherese Hildenbrand, OTOccupational Therapist1154314466
  4. Thomas Labisch, DPTPhysical Therapist1679610976
  5. John Liddell, PHYSICAL THERAPISTPhysical Therapist1972969988

Verify Marsha Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 35737
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

100% fewer Medicare Part D claims than the average internal medicine physician in 2024

11 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Marsha Davis11
  2. Specialty average2,785

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.

26 internal medicine physician records list a Mequon practice address

They are 26 of the 1,048 NPPES records with a Mequon practice address, and 2,832 internal medicine physician records in Wisconsin.

Other internal medicine physician records in Wisconsin

  1. Sheetal Aatrai, MDMarshfield, WI1417568965
  2. Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
  3. Khalid Abdelgadir, MDManitowoc, WI1407433295
  4. Kareem Abdelhadi, MDRice Lake, WI1841494432
  5. Mesfin Abdissa, MDMilwaukee, WI1376579417
  6. Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
  7. Hamza Abdul Majeed, DOMilwaukee, WI1881013282
  8. Anas Abed, MDMadison, WI1659002566
  9. Sameem Abedin, MDMilwaukee, WI1063641157
  10. Vincent Abejuela, DOMilwaukee, WI1356928543

Common questions

What is Marsha Davis, MD's NPI number?

Marsha Davis, MD's National Provider Identifier (NPI) is 1063451235, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marsha Davis, MD located?

The NPPES record lists a practice address at 1516 W Mequon RD, Mequon, WI, 53092. Phone: (262) 242-0700. Providers update this record themselves, so call before visiting.

How can I verify Marsha Davis, MD's license?

NPPES lists Wisconsin license number 35737, 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 Marsha Davis, MD prescribe under Medicare Part D?

In 2024, Marsha Davis, MD had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.