What is Mary Semeyn's NPI number?

Mary Semeyn's National Provider Identifier (NPI) is 1528955374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Semeyn's specialty?

Mary Semeyn is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Mary Semeyn located?

Mary Semeyn's practice location on file with NPPES is 3735 Mona Kai Blvd Bldg 1, Norton Shores, MI 49444-3742.

What is Mary Semeyn's phone number?

The practice phone number listed in the NPPES registry for Mary Semeyn is (616) 644-0281.

Is Mary Semeyn's NPI active?

Yes — Mary Semeyn's NPI (1528955374) is active in the NPPES registry as of the last update on 2025-06-23.

IndividualActive

Mary Semeyn

NPI 1528955374 · Registered Nurse · Norton Shores, MI

Mary Semeyn is a Registered Nurse provider in Norton Shores, MI (NPI 1528955374).

Provider details

NPI number: 1528955374
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sole proprietor: No
License: 4704161709 (MI)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 4704161709 (MI)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3735 Mona Kai Blvd Bldg 1

Norton Shores, MI 49444-3742

Phone: (616) 644-0281

Street-level locationGet directions

More MI providers

Mailing address