Sarah Keller, FNP-C
NPI 1518375153 · Family Nurse Practitioner · Scarborough, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Keller, FNP-C is a Family Nurse Practitioner provider in Scarborough, ME (NPI 1518375153).
Provider details
- NPI number
- 1518375153
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- CNP141054 (ME)
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
11 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
366 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 | 190 | $80 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 150 | $28 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $59 |
Typical Medicare-allowed amounts for these services range $28–$80 (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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 286 | 55 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 126 | 45 |
| Semaglutidebrand: Ozempic | 111 | 32 |
| Empagliflozinbrand: Jardiance | 109 | 39 |
| Metformin Hclbrand: Metformin Hcl Er | 107 | 34 |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-28
- Last updated
- 2014-07-28
Frequently asked questions
- What is Sarah Keller's NPI number?
- Sarah Keller's National Provider Identifier (NPI) is 1518375153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Keller's specialty?
- Sarah Keller is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Keller located?
- Sarah Keller's practice location on file with NPPES is 175 US Route 1, Scarborough, ME 04074-9048.
- What is Sarah Keller's phone number?
- The practice phone number listed in the NPPES registry for Sarah Keller is (207) 396-7700.
- Does Sarah Keller accept Medicare?
- Sarah Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Keller's NPI active?
- Yes — Sarah Keller's NPI (1518375153) is active in the NPPES registry as of the last update on 2014-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.