Abigail Grainge, FNP; PMHNP
NPI 1144707316 · Family Nurse Practitioner · Buffalo, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abigail Grainge, FNP; PMHNP is a Family Nurse Practitioner provider in Buffalo, NY (NPI 1144707316).
Provider details
- NPI number
- 1144707316
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP; PMHNP
- Sex
- Female
- Sole proprietor
- No
- License
- 343214 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 164 | 44 |
| Amlodipine Besylate | 84 | 26 |
| Lisinopril | 62 | 13 |
| Omeprazole | 61 | 15 |
| Gabapentin | 59 | 18 |
| Metoprolol Succinate | 47 | 14 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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
Additional practice locations (1)
- 184 Barton StBuffalo, NY 14213-1573Phone: (716) 881-6191
Registry dates
- Enumerated
- 2018-07-20
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Abigail Grainge's NPI number?
- Abigail Grainge's National Provider Identifier (NPI) is 1144707316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Grainge's specialty?
- Abigail Grainge is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Abigail Grainge located?
- Abigail Grainge's practice location on file with NPPES is 77 Broadway St, Buffalo, NY 14203-1642.
- What is Abigail Grainge's phone number?
- The practice phone number listed in the NPPES registry for Abigail Grainge is (716) 834-6401.
- Does Abigail Grainge accept Medicare?
- Abigail Grainge is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abigail Grainge's NPI active?
- Yes — Abigail Grainge's NPI (1144707316) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.