Ruben Ngnitewe Massa A, MD

Diagnostic Radiology (CMS) · Sun Prairie, WI

Call (913) 980-3405 Directions

At a glance

1281 Twisted Branch Way, Sun Prairie, WI 53590-9012

NPPES record updated Jun 22, 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

1281 Twisted Branch Way
Sun Prairie, WI 53590-9012

Additional reported practice locations

22 Bramhall St
Portland, ME 041023134
Phone: 2076624735
Fax: 2074827898

1100 Reid Pkwy
Richmond, IN 473741157
Phone: 7659833000

489 State St
Bangor, ME 044016616
Phone: 2079737000

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: University Of Missouri, Columbia School Of Medicine
Graduation year: 2020
CMS specialties: Diagnostic Radiology

Practice groups

Reported hospital affiliations

Major Hospital Shelbyville, 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.

Advertising spaceAdvertisements are separate from provider records.

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.

Service-mix comparison is unavailable for this NPI in the imported Medicare service file.

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

NPI1003430950

Call Directions

Registry details

Primary taxonomy: Diagnostic Radiology (CMS)
Taxonomy code: 2085R0202X
Enumeration date: Jun 5, 2020
Record updated: Jun 22, 2026

More registry details

Provider type: Individual · Type 1
Reported credentials: MD