Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Merrilyn Lucille Trombly, O.T.

Occupational Therapist in Sun Prairie, WI · enumerated 2008.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316124613

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Registry record

Entity type Individual (Type 1)

Name Ms. Merrilyn Lucille Trombly

Credential O.T.

Sex Female

Practice address 10 Tower Dr, Dean Medical Center, Sun Prairie, WI, 53590

Phone (608) 825-3628

Fax (608) 825-3598

Enumeration date Jan 29, 2008

Last updated in NPPES Nov 9, 2009

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2979-026 (WI) Primary

OT · Occupational Therapist: A licensed therapist helping patients develop or recover skills for daily living and working. About the OT credential

Other identifiers

Identifier	Type	State	Issuer
7747	Other	WI	DEAN HEALTH INSURANCE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1316124613 active?

Yes, as of the latest NPPES snapshot, NPI 1316124613 is active (record last updated 2009-11-09).

How do I verify Merrilyn Trombly's NPI record?

Cross-check NPI 1316124613 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-11-09.