Christine Wasilewski, MD
NPI 1376750562 · Hematology & Oncology Physician · Portsmouth, NH
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Wasilewski, MD is a Hematology & Oncology Physician provider in Portsmouth, NH (NPI 1376750562).
Provider details
- NPI number
- 1376750562
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1019284 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,301 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 231 | $16 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 229 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 192 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 187 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 159 | 49 |
| Apixabanbrand: Eliquis | 85 | 19 |
| Anastrozole | 82 | 23 |
| Prednisone | 50 | 18 |
| Dexamethasone | 45 | 28 |
| Ondansetron Hcl | 36 | 26 |
| Prochlorperazine Maleate | 31 | 23 |
| Zanubrutinibbrand: Brukinsa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77 across 4 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 (5)
- 2 Independence DrKennebunk, ME 04043-6078Phone: (207) 303-3300Fax: (207) 250-2144
- 105 Topsham Fair Mall Rd Unit 1Topsham, ME 04086-1773Phone: (207) 303-3300Fax: (207) 250-2137
- 15 Rock Row Ste 110Westbrook, ME 04092-4877Phone: (207) 303-3300
- 11 Rock Row Ste 120Westbrook, ME 04092-4877Phone: (207) 303-3300Fax: (207) 250-2139
- 11 Rock Row Ste 150Westbrook, ME 04092-4877Phone: (207) 303-3300Fax: (207) 250-2139
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Christine Wasilewski's NPI number?
- Christine Wasilewski's National Provider Identifier (NPI) is 1376750562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Wasilewski's specialty?
- Christine Wasilewski is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Wasilewski located?
- Christine Wasilewski's practice location on file with NPPES is 155 Borthwick Ave Ste C, Portsmouth, NH 03801-7156.
- What is Christine Wasilewski's phone number?
- The practice phone number listed in the NPPES registry for Christine Wasilewski is (603) 828-0100.
- Does Christine Wasilewski accept Medicare?
- Christine Wasilewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Wasilewski's NPI active?
- Yes — Christine Wasilewski's NPI (1376750562) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.