Doctor profile · Federal record
Dr. Joanna Mattis, M.D.
Epilepsy Physician (CMS: Epileptologists) · Neurology Physician · Neurology Physician · Ann Arbor, MI
- NPI 1245626449
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- December 30, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 2084E0001X — NUCC code
- State licenses (2)
- Michigan #4301506606 · Pennsylvania #MD467512
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245626449. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
75
Distinct HCPCS
3
Medicare allowed
$6,260
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 37 | 25 | $6 | |
95720 |
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 24 | 13 | $166 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 11 | $147 |
In context: peer comparison
Among 6 peers in Ann Arbor Epilepsy Physician, average services per provider: 44. This provider delivers 1.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
321
Patients
26
Total drug cost
$94,998
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 71 | 26 | $3,711 |
| Clobazam | Generic | 41 | 0 | $9,687 |
| Lacosamide | Generic | 40 | 0 | $15,110 |
| Lamotrigine | Generic | 37 | 0 | $1,524 |
| Aptiom (Eslicarbazepine Acetate) | Brand | 22 | 0 | $27,225 |
| Carbamazepine ER (Carbamazepine) | Brand | 21 | 0 | $6,060 |
| Phenobarbital | Generic | 20 | 0 | $630 |
| Xcopri (Cenobamate) | Brand | 18 | 0 | $22,955 |
| Clonazepam | Generic | 15 | 0 | $194 |
| Divalproex Sodium | Generic | 14 | 0 | $810 |
Hospital affiliations
Frequently asked questions
What is Dr. Joanna Mattis's medical specialty?
Dr. Joanna Mattis practices Epilepsy Physician in Ann Arbor, MI.
Where does Dr. Joanna Mattis practice?
Dr. Joanna Mattis practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Joanna Mattis's NPI?
Dr. Joanna Mattis's National Provider Identifier (NPI) is 1245626449, issued by NPPES.
Does Dr. Joanna Mattis accept Medicare assignment?
Yes. Dr. Joanna Mattis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Mattis commonly perform?
Top Medicare-reported procedures in 2023: Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Measurement of brain wave activity with video (veeg) (HCPCS 95720); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.