NPPES file of Aug 9, 2026

Anna Witt, M.D.

Family Medicine Physician · Waukesha, WI

Anna Witt, M.D. is a family medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1568558054, issued on Oct 4, 2006. Check the license (Wisconsin 51394-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568558054
Name
Anna Witt
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
51394-020 WI
60080588 WA
Self-reported in NPPES; status is on the state search
Practice location
210 NW Barstow St, Waukesha, WI 53188
Phone
(262) 548-6903
Enumerated
Oct 4, 2006
Record last updated
Oct 10, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(262) 548-3820
Medicaid ID
1568558054 WI
Medicare enrollment
Enrolled (PECOS I20101216000206); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 210 NW Barstow St

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

  1. Emily Abeyta, MDFamily Medicine Physician1386905107
  2. Michelle Boettcher, BSCounselor1841550936
  3. Amaris Estrada, RDHDental Hygienist1073786687
  4. Justin Ferkin, DOFamily Medicine Physician1770386633
  5. Kristen Fox, M.D.Family Medicine Physician1356736185
  6. Adelheid GaertnerDental Hygienist1134537277

Verify Anna Witt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 51394-020
    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.

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59% fewer Medicare Part D claims than the average family medicine physician in 2024

1,443 Medicare Part D claims for 155 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 20 claims were for opioids.

  1. Anna Witt1,443
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium125 claims
  2. Omeprazole76 claims
  3. Lisinopril75 claims
  4. Amlodipine Besylate55 claims
  5. Levothyroxine Sodium49 claims
  6. Pantoprazole Sodium42 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

  1. Prohealth Medical Group IncWaukesha, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anna Witt among 3,765 family medicine physician records in Wisconsin

Anna Witt, M.D. 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
  • Graduated2006 · median 2007 among the 2,347 with a school on file
  • Record last updated2014 · 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).

76 family medicine physician records list a practice address in Waukesha

They are 76 of the 2,814 NPPES records with a practice address in Waukesha, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ronald Cooper, MDWaukesha, WI 531881396799615
  2. James Dall, MDWaukesha, WI 531881205908159
  3. Todd Doenier, MDWaukesha, WI 531881265496319
  4. Paul Doenier, M.D.Waukesha, WI 531881720030489
  5. Leif Esbensen, MDWaukesha, WI 531881669544508
  6. Patrick Ginn, M.D.Waukesha, WI 531881265404586
  7. Susanne Krasovich, MDWaukesha, WI 531881043261886
  8. Karen Nelson, M.D.Waukesha, WI 531881225097405

Common questions

What is Anna Witt, M.D.'s NPI number?

Anna Witt, M.D.'s National Provider Identifier (NPI) is 1568558054, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anna Witt, M.D. located?

The NPPES record lists a practice address at 210 NW Barstow St, Waukesha, WI, 53188. Phone: (262) 548-6903. Providers update this record themselves, so call before visiting.

How can I verify Anna Witt, M.D.'s license?

NPPES lists Wisconsin license number 51394-020, 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 Anna Witt, M.D. prescribe under Medicare Part D?

In 2024, Anna Witt, M.D. had 1,443 Medicare Part D claims for 155 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.