Christine Lynn Wasilewski, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

14111 Issued in NH

Practice address

155 Borthwick Ave Ste C
Portsmouth, NH 03801-7156

Phone

(603) 828-0100

Fax

(603) 828-0111

NPI assigned

May 17, 2007

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NH, MA, ME3 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 3

Specialty

Hematology/Oncology

Education

Tulane University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Maine Center for Cancer Medicine and Blood Disorders PAGroup PAC ID 0840195186, 69 clinicians

Wentworth Douglass Physician CorporationGroup PAC ID 5496749848, 429 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Wentworth-Douglass Hospital Hospital, Dover, NH, CCN 300018
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029
• York Hospital Hospital, York, ME, CCN 200020
• Frisbie Memorial Hospital Hospital, Rochester, NH, CCN 300014
• Huggins Hospital Hospital, Wolfeboro, NH, CCN 301312

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wasilewski.christine.wdh@direct.partners.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Wentworth Douglass Physician Corporation

  • Magnetic Resonance Imaging Radiologic Technologist
  • Dover, NH
  • NPI 1447352430

  Hematology & Oncology

  Medicare reassignment Care Compare group NPD
• Maine Center for Cancer Medicine & Blood Disorders, P.a.

  • Hematology & Oncology Physician
  • Westbrook, ME
  • NPI 1205896107

  NH

  Medicare reassignment Care Compare group NPD
• Wentworth Douglass Hospital

  • General Acute Care Hospital
  • Dover, NH
  • NPI 1033118104
  Medicare reassignment NPD
• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  NH

  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• Wentworth Douglass Hospital

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1528687829

  Medical Oncology

  NPD
• Wentworth Douglass Hospital

  • Pain Clinic/Center
  • Portsmouth, NH
  • NPI 1790416774
  NPD
• Wentworth Douglass Physician Corporation

  • Diagnostic Radiology Physician
  • Somersworth, NH
  • NPI 1295326494
  NPD
• PRH Oncology, LLC

  • Hematology & Oncology Physician
  • Portsmouth, NH
  • NPI 1407898869
  NPD (past)
• Maine Center of Cancer Medicine & Blood Disorders

  • Hematology & Oncology Physician
  • Scarborough, ME
  • NPI 1528030814
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• FMH Health Services, LLC

  • General Acute Care Hospital
  • Rochester, NH
  • NPI 1689215030
  Care Compare affiliation
• HCA Health Services of New Hampshire Inc

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607
  Care Compare affiliation
• Huggins Hospital

  • Critical Access Hospital
  • Wolfeboro, NH
  • NPI 1366476079
  Care Compare affiliation
• Huggins Hospital

  • Family Medicine Physician
  • Moultonborough, NH
  • NPI 1639166077

  Hospital

  Care Compare affiliation
• Huggins Hospital

  • Family Medicine Physician
  • Alton, NH
  • NPI 1871534792

  Hospital

  Care Compare affiliation
• Wentworth Douglass Hospital

  • General Acute Care Hospital
  • Dover, NH
  • NPI 1033118104
  Care Compare affiliation
• Wentworth Douglass Hospital

  • Diabetes Educator Registered Nurse
  • Dover, NH
  • NPI 1407385198

  Hospital

  Care Compare affiliation
• York Hospital

  • General Acute Care Hospital
  • York, ME
  • NPI 1376528398
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1179360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1376750562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911",
            "city": "BRATTLEBORO",
            "state": "VT",
            "postal_code": "053020911",
            "telephone_number": "603-828-0100",
            "fax_number": "207-250-2140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "155 BORTHWICK AVE STE C",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038017156",
            "telephone_number": "603-828-0100",
            "fax_number": "603-828-0111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11 Rock Row Ste 150",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 Rock Row Ste 110",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 Topsham Fair Mall Rd Unit 1",
            "address_purpose": "LOCATION",
            "city": "Topsham",
            "state": "ME",
            "postal_code": "040861773",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2137",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2 Independence Dr",
            "address_purpose": "LOCATION",
            "city": "Kennebunk",
            "state": "ME",
            "postal_code": "040436078",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2144",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11 Rock Row Ste 120",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "ME",
            "postal_code": "040924877",
            "country_code": "US",
            "telephone_number": "207-303-3300",
            "fax_number": "207-250-2139",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WASILEWSKI",
        "first_name": "CHRISTINE",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-17",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MA",
            "license": "1019284",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NH",
            "license": "14111",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3087016",
            "state": "NH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christina Warner, DO
• Tracie L Warner, MSW
• Joann Warren, M.D.
• Thomas Hamilton Warren, PHARMD
• Lana S. Washburn, LICSW
• Michael A Wassell, PA-C
• Heather Joy Waterhouse
• Cameron M Watson, PT, DPT
• Caroline Watson, PA-C
• Julianne M Watt

• Hematology & Oncology Physician in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Hematology & Oncology Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.