Stephanie Mastny, APRN C
NPI 1376523258 · Family Nurse Practitioner · Grand Island, NE
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Mastny, APRN C is a Family Nurse Practitioner provider in Grand Island, NE (NPI 1376523258).
Provider details
- NPI number
- 1376523258
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN C
- Sex
- Female
- Sole proprietor
- No
- License
- 49832 (NE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
36 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 | 19 | $71 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 17 | $7 |
Typical Medicare-allowed amounts for these services range $7–$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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 19 |
| Levothyroxine Sodium | 58 | 17 |
| Metformin Hcl | 50 | 15 |
| Omeprazole | 45 | — |
| Lisinopril | 42 | 17 |
| Metoprolol Succinate | 41 | — |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 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
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Stephanie Mastny's NPI number?
- Stephanie Mastny's National Provider Identifier (NPI) is 1376523258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Mastny's specialty?
- Stephanie Mastny is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Mastny located?
- Stephanie Mastny's practice location on file with NPPES is 908 N Howard Ave, Grand Island, NE 68803-3529.
- What is Stephanie Mastny's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Mastny is (308) 380-3498.
- Does Stephanie Mastny accept Medicare?
- Stephanie Mastny is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Mastny's NPI active?
- Yes — Stephanie Mastny's NPI (1376523258) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.