Kathryn Desrosiers, NP
NPI 1164103958 · Adult Medicine Physician · Biddeford, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Desrosiers, NP is a Adult Medicine Physician provider in Biddeford, ME (NPI 1164103958).
Provider details
- NPI number
- 1164103958
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- CNP231281 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 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
132 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 106 | $152 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 14 | $63 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 12 | $166 |
Typical Medicare-allowed amounts for these services range $63–$166 (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 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 376 | 55 |
| Amlodipine Besylate | 313 | 40 |
| Omeprazole | 282 | 48 |
| Duloxetine Hcl | 243 | 32 |
| Sertraline Hcl | 235 | 38 |
| Levothyroxine Sodium | 194 | 35 |
| Furosemide | 194 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-26
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Kathryn Desrosiers's NPI number?
- Kathryn Desrosiers's National Provider Identifier (NPI) is 1164103958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Desrosiers's specialty?
- Kathryn Desrosiers is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Desrosiers located?
- Kathryn Desrosiers's practice location on file with NPPES is 22 W Cole Rd Ste 101, Biddeford, ME 04005-9431.
- What is Kathryn Desrosiers's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Desrosiers is (207) 780-6565.
- Does Kathryn Desrosiers accept Medicare?
- Kathryn Desrosiers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Desrosiers's NPI active?
- Yes — Kathryn Desrosiers's NPI (1164103958) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.