Grace Halleran, PA
NPI 1285863654 · Physician Assistant · Manhasset, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Halleran, PA is a Physician Assistant provider in Manhasset, NY (NPI 1285863654).
Provider details
- NPI number
- 1285863654
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0132171 (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
16 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocortisone | 62 | 38 |
| Metronidazole | 59 | 51 |
| Ciprofloxacin Hcl | 49 | 45 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 42 | 39 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 37 | 31 |
| Ibuprofen | 21 | 20 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-07
- Last updated
- 2009-07-07
Frequently asked questions
- What is Grace Halleran's NPI number?
- Grace Halleran's National Provider Identifier (NPI) is 1285863654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Halleran's specialty?
- Grace Halleran is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Grace Halleran located?
- Grace Halleran's practice location on file with NPPES is 1129 Northern Blvd, Manhasset, NY 11030-3022.
- What is Grace Halleran's phone number?
- The practice phone number listed in the NPPES registry for Grace Halleran is (516) 627-2121.
- Does Grace Halleran accept Medicare?
- Grace Halleran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Halleran's NPI active?
- Yes — Grace Halleran's NPI (1285863654) is active in the NPPES registry as of the last update on 2009-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.