DR. TIMOTHY J MAATMAN (MD) – Internal Medicine Physician, NPI 1609983162

DR. TIMOTHY J MAATMAN (MD) is a healthcare provider. based in Milwaukee, Wisconsin. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 24570 (WI). The NPI Number for DR. TIMOTHY J MAATMAN (MD) is 1609983162

Main info

Male
Name
DR. TIMOTHY J MAATMAN (MD)
NPI
1609983162
Phone
(414) 647-6326
Address
3301 W FOREST HOME AVE
Enumeration Date
23 August 2006
Last Update Date
7 March 2023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. TIMOTHY J MAATMAN (MD)

  • West Forest Home Avenue, Southgate, Milwaukee, Milwaukee County, Wisconsin, 53215, United States

    MILWAUKEE, WI 532152843

    Phone: (414) 647-6326

    Fax: (414) 671-8860

    Type: Mailing

  • 601, Reed Avenue, Manitowoc, Manitowoc County, Wisconsin, 54220, United States

    MANITOWOC, WI 542211270

    Phone: (920) 682-8841

    Fax: (920) 686-5250

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 53215)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. TIMOTHY J MAATMAN (MD)?
DR. TIMOTHY J MAATMAN (MD) — NPI 1609983162 — is the standard way to identify this listing.
Does CMS list DR. TIMOTHY J MAATMAN (MD) as active?
Yes — DR. TIMOTHY J MAATMAN (MD) is active in the NPI listing used on this page.
What is DR. TIMOTHY J MAATMAN (MD)'s specialty?
The listing groups DR. TIMOTHY J MAATMAN (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is DR. TIMOTHY J MAATMAN (MD) based?
DR. TIMOTHY J MAATMAN (MD) is tied to Milwaukee, Wisconsin in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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