What is Catherine Seemer's NPI number?

Catherine Seemer's National Provider Identifier (NPI) is 1427720150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Catherine Seemer's specialty?

Catherine Seemer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Catherine Seemer located?

Catherine Seemer's practice location on file with NPPES is 4 Westchester Park Dr Ste 210, Harrison, NY 10604-1060.

What is Catherine Seemer's phone number?

The practice phone number listed in the NPPES registry for Catherine Seemer is (914) 472-1900.

Is Catherine Seemer's NPI active?

Yes — Catherine Seemer's NPI (1427720150) is active in the NPPES registry as of the last update on 2021-09-30.

IndividualActive

Catherine Seemer, FNP

NPI 1427720150 · Family Nurse Practitioner · Harrison, NY

Catherine Seemer, FNP is a Family Nurse Practitioner provider in Harrison, NY (NPI 1427720150).

Provider details

NPI number: 1427720150
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: FNP
Sex: Female
Sole proprietor: Yes
License: 348565 (NY)

Practice location

4 Westchester Park Dr Ste 210

Harrison, NY 10604-1060

Phone: (914) 472-1900

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

22 Pleasant Pl

Tuckahoe, NY 10707-3410

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense 348565 (NY)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(67/100 index)

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

Registry tenure33% of score
5 yrs in NPPES registry
Profile completeness33% of score
100% of core fields populated
Practice footprint20% of score
1 documented practice location
Open Payments transparency13% of score
Has Open Payments disclosures (2024)

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.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$89 across 3 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2021-09-30
Last updated: 2021-09-30
Certified: 2021-09-30

Frequently asked questions

What is Catherine Seemer's NPI number?: Catherine Seemer's National Provider Identifier (NPI) is 1427720150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Catherine Seemer's specialty?: Catherine Seemer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Catherine Seemer located?: Catherine Seemer's practice location on file with NPPES is 4 Westchester Park Dr Ste 210, Harrison, NY 10604-1060.
What is Catherine Seemer's phone number?: The practice phone number listed in the NPPES registry for Catherine Seemer is (914) 472-1900.
Is Catherine Seemer's NPI active?: Yes — Catherine Seemer's NPI (1427720150) is active in the NPPES registry as of the last update on 2021-09-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Transparency — industry payments

Frequently asked questions