Sharon Rousseau, FNP
NPI 1538105903 · Family Nurse Practitioner · Mashpee, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sharon Rousseau, FNP is a Family Nurse Practitioner provider in Mashpee, MA (NPI 1538105903).
Provider details
- NPI number
- 1538105903
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 15325 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing 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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
230 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $56 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 54 | $69 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $113 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 17 | $29 |
Typical Medicare-allowed amounts for these services range $29–$113 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 67 | 26 |
| Tirzepatidebrand: Mounjaro | 67 | 23 |
| Empagliflozinbrand: Jardiance | 54 | 21 |
| Semaglutidebrand: Ozempic | 49 | 21 |
| Levothyroxine Sodium | 45 | 26 |
| Glimepiride | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$530 across 10 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
Additional practice locations (2)
- 101 Dudley StProvidence, RI 02905-2401Phone: (401) 453-7950Fax: (401) 453-7658
- 455 Toll Gate RdWarwick, RI 02886-2759Phone: (401) 273-0641Fax: (401) 273-2919
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2025-03-05
- Certified
- 2025-03-05
Frequently asked questions
- What is Sharon Rousseau's NPI number?
- Sharon Rousseau's National Provider Identifier (NPI) is 1538105903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Rousseau's specialty?
- Sharon Rousseau is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sharon Rousseau located?
- Sharon Rousseau's practice location on file with NPPES is 107 Commercial St, Mashpee, MA 02649-6507.
- What is Sharon Rousseau's phone number?
- The practice phone number listed in the NPPES registry for Sharon Rousseau is (508) 477-7090.
- Does Sharon Rousseau accept Medicare?
- Sharon Rousseau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sharon Rousseau's NPI active?
- Yes — Sharon Rousseau's NPI (1538105903) is active in the NPPES registry as of the last update on 2025-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.