Doctor profile · Federal record
Dr. Mary Ann Werz, MD
Neurology Physician (CMS: Neurology) · Madison, WI
- NPI 1750303798
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
700 S Park St Ste A
Madison, WI 537151830
(608) 260-2900
fax (608) 260-3447
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 20, 2020
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Wisconsin #66714-020
- Medicaid
- WI #1750303798
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750303798. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
670
Distinct HCPCS
10
Medicare allowed
$77,407
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 132 | 108 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 120 | 109 | $169 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 90 | 90 | $206 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 72 | 67 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 69 | 64 | $86 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 49 | 37 | $31 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $158 | |
95720 |
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 17 | 16 | $194 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 17 | 17 | $54 | |
95813 |
Measurement of brain wave activity (eeg), 61-119 minutes | 16 | 16 | $413 |
In context: peer comparison
Among 25 peers in this city , average services per provider: 201. This provider delivers 3.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,122
Patients
380
Total drug cost
$294,524
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam Er (Levetiracetam) | Brand | 501 | 80 | $35,818 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 289 | 61 | $11,275 |
| Levetiracetam | Generic | 267 | 59 | $8,221 |
| Lacosamide | Generic | 191 | 29 | $45,309 |
| Topiramate | Generic | 145 | 33 | $2,226 |
| Gabapentin | Generic | 115 | 31 | $2,039 |
| Donepezil Hcl | Generic | 110 | 23 | $4,322 |
| Rivastigmine (Rivastigmine Tartrate) | Brand | 100 | 21 | $4,668 |
| Lamotrigine | Generic | 92 | 15 | $1,279 |
| Zonisamide | Generic | 80 | 13 | $2,085 |
Frequently asked questions
What is Dr. Mary Ann Werz's medical specialty?
Dr. Mary Ann Werz practices Neurology Physician in Madison, WI.
Where does Dr. Mary Ann Werz practice?
Dr. Mary Ann Werz practices at 700 S Park St Ste A, Madison, WI 537151830. Office phone: 6082602900.
What is Dr. Mary Ann Werz's NPI?
Dr. Mary Ann Werz's National Provider Identifier (NPI) is 1750303798, issued by NPPES.
Does Dr. Mary Ann Werz accept Medicare assignment?
Yes. Dr. Mary Ann Werz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Ann Werz commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.