Carl M Williams, M.D.

Critical Care (Intensivists) · Pulmonary Disease (CMS) · Fort Wayne, IN

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At a glance

11104 Parkview Circle Dr, Fort Wayne, IN 46845-1672

NPPES record updated May 14, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist

Are you accepting new patients?
Do you accept my specific insurance plan?
Do you provide the service I need at this address?
Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

11104 Parkview Circle Dr
Fort Wayne, IN 46845-1672

Additional reported practice locations

3400 Ministry Pkwy
Weston, WI 544765220
Phone: 7153931000

1001 E Primrose St
Springfield, MO 658075155
Phone: 4178753000

1000 Mineral Point Ave
Janesville, WI 535482940
Phone: 6087566868
Fax: 6087566289

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: University Of Maryland School Of Medicine
Graduation year: 1995
CMS specialties: Critical Care (Intensivists) · Pulmonary Disease

Practice groups

Reported hospital affiliations

Ascension St Vincent Evansville Evansville, IN
Marshfield Medical Center - Minocqua Minocqua, WI
Marshfield Medical Center - Weston Weston, WI
Parkview Regional Medical Center Fort Wayne, IN

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record

NPI1003971490

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Registry details

Primary taxonomy: Critical Care (Intensivists) · Pulmonary Disease (CMS)
Taxonomy code: 207RC0200X
Enumeration date: Dec 26, 2006
Record updated: May 14, 2026

More registry details

Provider type: Individual · Type 1
Other reported name: CARL MARC WILLIAMS
Reported credentials: M.D.