Eric F. Maas, M.D.
Neurology Physician · Milwaukee, WI
Eric F. Maas, M.D. is a neurology physician with a practice address in Milwaukee, Wisconsin, and NPI 1578597860, issued on Jul 10, 2006. Check the license (Wisconsin 31223, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Eric F. Maas
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 31223 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3003 W Good Hope RD, Milwaukee, WI 53209
- Phone
- (414) 352-3100
- Enumerated
- Jul 10, 2006
- Record last updated
- Nov 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (414) 247-4597
- Medicaid ID
- 31597900 WI
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 3003 W Good Hope RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric F. Maas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 31223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
170 Medicare Part D claims for 57 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Sertraline Hcl18 claims
- Baclofen17 claims
- Aubagio11 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.
Eric F. Maas among 399 neurology physician records in Wisconsin
Eric F. Maas, M.D. 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 fileNo · 69% of these records are
- Record last updated2021 · 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 Milwaukee → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Kate Essad, M.D.Milwaukee, WI 532091497098123
- Kathryn Gaines, DOMilwaukee, WI 532091629059183
- Elizabeth Marriott, MDMilwaukee, WI 532091407078231
- Heidi Pangborn, MDMilwaukee, WI 532091396199469
- Rizwanullah Arain, M.D.Milwaukee, WI 532101861489536
- Joanna Galezowska, MDMilwaukee, WI 532111205905288
- Hendrikus Krouwer, MDMilwaukee, WI 532111770534513
- Gary Leo, D.OMilwaukee, WI 532111336182237
Common questions
What is Eric F. Maas, M.D.'s NPI number?
Eric F. Maas, M.D.'s National Provider Identifier (NPI) is 1578597860, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric F. Maas, M.D. located?
The NPPES record lists a practice address at 3003 W Good Hope RD, Milwaukee, WI, 53209. Phone: (414) 352-3100. Providers update this record themselves, so call before visiting.
How can I verify Eric F. Maas, M.D.'s license?
NPPES lists Wisconsin license number 31223, 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 Eric F. Maas, M.D. prescribe under Medicare Part D?
In 2024, Eric F. Maas, M.D. had 170 Medicare Part D claims for 57 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.