Wendy Werner, FNP
NPI 1639400617 · Family Nurse Practitioner · Buffalo, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Werner, FNP is a Family Nurse Practitioner provider in Buffalo, NY (NPI 1639400617).
Provider details
- NPI number
- 1639400617
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F335956-01 (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 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 249 | 64 |
| Atorvastatin Calcium | 230 | 63 |
| Levothyroxine Sodium | 161 | 47 |
| Lisinopril | 151 | 48 |
| Hydrochlorothiazide | 92 | 27 |
| Losartan Potassium | 86 | 27 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 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
- 2010-01-15
- Last updated
- 2020-03-05
- Certified
- 2020-03-05
Frequently asked questions
- What is Wendy Werner's NPI number?
- Wendy Werner's National Provider Identifier (NPI) is 1639400617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Werner's specialty?
- Wendy Werner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Wendy Werner located?
- Wendy Werner's practice location on file with NPPES is 2128 Elmwood Ave Ste 104b, Buffalo, NY 14207-1910.
- What is Wendy Werner's phone number?
- The practice phone number listed in the NPPES registry for Wendy Werner is (805) 925-2521.
- Does Wendy Werner accept Medicare?
- Wendy Werner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Werner's NPI active?
- Yes — Wendy Werner's NPI (1639400617) is active in the NPPES registry as of the last update on 2020-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.