Alyssa Hourihan, AGNP
NPI 1770270787 · Adult Health Nurse Practitioner · Buffalo, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Hourihan, AGNP is a Adult Health Nurse Practitioner provider in Buffalo, NY (NPI 1770270787).
Provider details
- NPI number
- 1770270787
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGNP
- Sex
- Female
- Sole proprietor
- No
- License
- 311252 (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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
188 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $71 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 91 | $11 |
Typical Medicare-allowed amounts for these services range $11–$71 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dofetilide | 59 | 36 |
| Amiodarone Hcl | 42 | 34 |
| Apixabanbrand: Eliquis | 42 | 32 |
| Metoprolol Succinate | 42 | 34 |
| Flecainide Acetate | 22 | 18 |
| Rivaroxabanbrand: Xarelto | 19 | 13 |
| Sotalol Hclbrand: Sotalol | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$709 across 34 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
- 2023-04-19
- Last updated
- 2023-04-19
- Certified
- 2023-04-19
Frequently asked questions
- What is Alyssa Hourihan's NPI number?
- Alyssa Hourihan's National Provider Identifier (NPI) is 1770270787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Hourihan's specialty?
- Alyssa Hourihan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Hourihan located?
- Alyssa Hourihan's practice location on file with NPPES is 3495 Bailey Ave, Buffalo, NY 14215-1129.
- What is Alyssa Hourihan's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Hourihan is (716) 834-9200.
- Does Alyssa Hourihan accept Medicare?
- Alyssa Hourihan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Hourihan's NPI active?
- Yes — Alyssa Hourihan's NPI (1770270787) is active in the NPPES registry as of the last update on 2023-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.