Karen Nieminski, FNP
NPI 1396764114 · Family Nurse Practitioner · Montrose, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Nieminski, FNP is a Family Nurse Practitioner provider in Montrose, NY (NPI 1396764114).
Provider details
- NPI number
- 1396764114
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- F331240-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs 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
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Nieminski's NPI number?
- Karen Nieminski's National Provider Identifier (NPI) is 1396764114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Nieminski's specialty?
- Karen Nieminski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Nieminski located?
- Karen Nieminski's practice location on file with NPPES is 2166 Albany Post Rd, Montrose, NY 10548-1039.
- What is Karen Nieminski's phone number?
- The practice phone number listed in the NPPES registry for Karen Nieminski is (914) 737-4400.
- Does Karen Nieminski accept Medicare?
- Karen Nieminski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Nieminski's NPI active?
- Yes — Karen Nieminski's NPI (1396764114) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.