Mary Ann Werz, MD
Neurology Physician · Madison, WI
Mary Ann Werz, MD is a neurology physician with a practice address in Madison, Wisconsin, and NPI 1750303798, issued on Jul 25, 2006. Check the license (Wisconsin 66714-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Werz
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 66714-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 700 S Park St Ste A, Madison, WI 53715
- Phone
- (608) 260-2900
- Enumerated
- Jul 25, 2006
- Record last updated
- Dec 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 260-3447
- Medicaid ID
- 1750303798 WI
- Medicare enrollment
- Enrolled (PECOS I20170206000043); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 700 S Park St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Werz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 66714-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average neurology physician in 2024
2,709 Medicare Part D claims for 401 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam Er514 claims
- Carbidopa-Levodopa271 claims
- Levetiracetam253 claims
- Topiramate162 claims
- Lacosamide157 claims
- Rivastigmine157 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Werz among 399 neurology physician records in Wisconsin
Mary Ann Werz, MD is one of 399 neurology physician records with a practice address in Wisconsin. 77% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 53% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2005 among the 274 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Wisconsin
There are 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Madison → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Bryan Atkinson, MDMadison, WI 537151750493243
- David Daiga, M.D.Madison, WI 537151073761219
- Natasha Frost, MDMadison, WI 537151720183940
- Michael Frucht, MDMadison, WI 537151740220045
- Robert Graebner, MDMadison, WI 537151477507366
- Smitha Holla, MDMadison, WI 537151922386929
- Elizabeth Lake, M.D.Madison, WI 537151265622146
- Teresa Mangin, MDMadison, WI 537151144385352
Common questions
What is Mary Ann Werz, MD's NPI number?
Mary Ann Werz, MD's National Provider Identifier (NPI) is 1750303798, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Werz, MD located?
The NPPES record lists a practice address at 700 S Park St Ste A, Madison, WI, 53715. Phone: (608) 260-2900. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Werz, MD's license?
NPPES lists Wisconsin license number 66714-020, 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 Mary Ann Werz, MD prescribe under Medicare Part D?
In 2024, Mary Ann Werz, MD had 2,709 Medicare Part D claims for 401 beneficiaries; the average among neurology physician prescribers was 1,370. 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.