Mary Sprague, FNP-C
NPI 1366650277 · Family Nurse Practitioner · Fargo, ND
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Sprague, FNP-C is a Family Nurse Practitioner provider in Fargo, ND (NPI 1366650277).
Provider details
- NPI number
- 1366650277
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- R25777 (ND)
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
19 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
108 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 52 | $9 |
| Automated Urinalysis Test81003 | 25 | $2 |
| Hemoglobin A1c Level83036 | 20 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $106 |
Typical Medicare-allowed amounts for these services range $2–$106 (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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 330 | 90 |
| Amlodipine Besylate | 223 | 64 |
| Lisinopril | 218 | 60 |
| Omeprazole | 164 | 51 |
| Losartan Potassium | 127 | 31 |
| Gabapentin | 119 | 27 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$154 across 8 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
- 2007-05-21
- Last updated
- 2013-12-04
Frequently asked questions
- What is Mary Sprague's NPI number?
- Mary Sprague's National Provider Identifier (NPI) is 1366650277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sprague's specialty?
- Mary Sprague is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Sprague located?
- Mary Sprague's practice location on file with NPPES is 301 NP Ave N, Fargo, ND 58102-4835.
- What is Mary Sprague's phone number?
- The practice phone number listed in the NPPES registry for Mary Sprague is (701) 271-3344.
- Does Mary Sprague accept Medicare?
- Mary Sprague is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Sprague's NPI active?
- Yes — Mary Sprague's NPI (1366650277) is active in the NPPES registry as of the last update on 2013-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.