Maryanne Karahalis, FNP-C
NPI 1720578065 · Family Nurse Practitioner · New Hyde Park, NY
Maryanne Karahalis, FNP-C is a Family Nurse Practitioner provider in New Hyde Park, NY (NPI 1720578065).
Provider details
- NPI number
- 1720578065
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 342553 (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
8 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
- 2018-05-11
- Last updated
- 2018-05-11
Frequently asked questions
- What is Maryanne Karahalis's NPI number?
- Maryanne Karahalis's National Provider Identifier (NPI) is 1720578065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne Karahalis's specialty?
- Maryanne Karahalis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryanne Karahalis located?
- Maryanne Karahalis's practice location on file with NPPES is 118 Patton Blvd, New Hyde Park, NY 11040-1730.
- What is Maryanne Karahalis's phone number?
- The practice phone number listed in the NPPES registry for Maryanne Karahalis is (516) 439-7128.
- Is Maryanne Karahalis's NPI active?
- Yes — Maryanne Karahalis's NPI (1720578065) is active in the NPPES registry as of the last update on 2018-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.