Kelly Antimisiaris
NPI 1265213797 · Psychiatric/Mental Health Nurse Practitioner · Massapequa, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelly Antimisiaris is a Psychiatric/Mental Health Nurse Practitioner provider in Massapequa, NY (NPI 1265213797).
Provider details
- NPI number
- 1265213797
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 405343 (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 tenure33% of score
2 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 28 |
| Esketamine Hclbrand: Spravato | 20 |
| Mirtazapine | 17 |
| Buspirone Hcl | 17 |
| Alprazolam | 16 |
| Trazodone Hcl | 15 |
| Hydroxyzine Hcl | 15 |
| Duloxetine Hcl | 15 |
| Brexpiprazolebrand: Rexulti | 13 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,395 across 119 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-10-10
- Last updated
- 2023-10-10
- Certified
- 2023-10-10
Frequently asked questions
- What is Kelly Antimisiaris's NPI number?
- Kelly Antimisiaris's National Provider Identifier (NPI) is 1265213797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelly Antimisiaris's specialty?
- Kelly Antimisiaris is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kelly Antimisiaris located?
- Kelly Antimisiaris's practice location on file with NPPES is 5550 Merrick Rd, Massapequa, NY 11758-6238.
- What is Kelly Antimisiaris's phone number?
- The practice phone number listed in the NPPES registry for Kelly Antimisiaris is (631) 773-1096.
- Does Kelly Antimisiaris accept Medicare?
- Kelly Antimisiaris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelly Antimisiaris's NPI active?
- Yes — Kelly Antimisiaris's NPI (1265213797) is active in the NPPES registry as of the last update on 2023-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.