Cathleen Niedermayer, FNP
NPI 1548577539 · Family Nurse Practitioner · Buffalo, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathleen Niedermayer, FNP is a Family Nurse Practitioner provider in Buffalo, NY (NPI 1548577539).
Provider details
- NPI number
- 1548577539
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 336479 (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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
99 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $74 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $136 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $90 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 11 | $41 |
Typical Medicare-allowed amounts for these services range $41–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 202 | 55 |
| Gabapentin | 109 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 98 | 40 |
| Lisinopril | 95 | 31 |
| Metformin Hcl | 89 | 22 |
| Montelukast Sodium | 77 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-09-12
- Last updated
- 2016-03-30
Frequently asked questions
- What is Cathleen Niedermayer's NPI number?
- Cathleen Niedermayer's National Provider Identifier (NPI) is 1548577539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathleen Niedermayer's specialty?
- Cathleen Niedermayer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cathleen Niedermayer located?
- Cathleen Niedermayer's practice location on file with NPPES is 462 Grider St, Buffalo, NY 14215-3021.
- What is Cathleen Niedermayer's phone number?
- The practice phone number listed in the NPPES registry for Cathleen Niedermayer is (716) 650-9760.
- Does Cathleen Niedermayer accept Medicare?
- Cathleen Niedermayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathleen Niedermayer's NPI active?
- Yes — Cathleen Niedermayer's NPI (1548577539) is active in the NPPES registry as of the last update on 2016-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.