Ewa Niemierko, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

160258 Issued in MA

Practice address

131 Ornac
John Cumming BLDG #200
Concord, MA 01742-4181

Phone

(978) 287-3436

Fax

(978) 287-3642

NPI assigned

Nov 22, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 6

Medicare fee-for-service enrollment

Enrolled in MA

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 1

Specialty

Hematology/Oncology

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dana-Farber Cancer Institute, Inc.Group PAC ID 9133038904, shared by 5 NPIs, 671 clinicians

Sturdy Health IncGroup PAC ID 9537152806, 191 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sturdy Memorial Hospital Hospital, Attleboro, MA, CCN 220008
• Dana-Farber Cancer Institute Hospital, Boston, MA, CCN 220162

Merit-based Incentive Payment System (MIPS)

Final score

84.06 of 100Reported as group

Quality

65.04

Promoting interoperability

100

Improvement activities

40

Cost

69.14

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Sturdy Health Inc

  dba Sturdy Hematology & Oncology Associates

  • Hematology & Oncology Physician
  • Attleboro, MA
  • NPI 1053605634
  Medicare reassignment Care Compare group NPD
• Dana-Farber Cancer Institute, Inc.

  dba Binney Medical Associates

  • Special Hospital
  • Boston, MA
  • NPI 1346433257
  Medicare reassignment NPD
• Dana-Farber Cancer Institute, Inc.

  dba Dana-Farber Cancer Institute

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Medicare reassignment NPD
• Lahey Clinic, Inc

  • Internal Medicine Physician
  • Peabody, MA
  • NPI 1063447316
  Medicare reassignment NPD
• Dana-Farber Cancer Institute, Inc.

  dba The Friends' Place

  • Durable Medical Equipment & Medical Supplies
  • Chestnut Hill, MA
  • NPI 1497429237
  NPD
• Sturdy Health, Inc.

  • Internal Medicine Physician
  • Mansfield, MA
  • NPI 1871515874

  Hematology & Oncology

  NPD
• Sturdy Health Inc

  dba North Attleborough Medical Center

  • Family Medicine Physician
  • North Attleboro, MA
  • NPI 1497771703
  NPD (past)

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

• Dana-Farber Cancer Institute, Inc.

  dba Dana-Farber Cancer Institute

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1851333686
  Care Compare affiliation
• Sturdy Memorial Hospital Inc

  • General Acute Care Hospital
  • Attleboro, MA
  • NPI 1730106162
  Care Compare affiliation

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

{
    "created_epoch": "1132617600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1447233549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "131 OLD ROAD TO 9 ACRE COR",
            "address_2": "SUITE 200",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424181",
            "telephone_number": "978-287-3436",
            "fax_number": "978-287-3642"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "131 ORNAC",
            "address_2": "JOHN CUMMING BLDG #200",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017424181",
            "telephone_number": "978-287-3436",
            "fax_number": "978-287-3642"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 ONeil Blvd",
            "address_purpose": "LOCATION",
            "city": "Attleboro",
            "state": "MA",
            "postal_code": "027031854",
            "country_code": "US",
            "telephone_number": "508-236-8525",
            "fax_number": "508-342-1927",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEMIERKO",
        "first_name": "EWA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-22",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MA",
            "license": "160258",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "J22840",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM",
            "identifier": "14512",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA US HEALTH",
            "identifier": "2554249",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "B20992701",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0121746",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH CARE",
            "identifier": "408304",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James Nichols
• Lynn Ann Nichols, MSW
• Nancy Nichols, LICSW
• Sarah Nickandros, LCSW
• Johanna Nielsen, PHD
• Jose A Nieuwenhuizen-Donovan
• Stephanie D Nigro, MS, OTR/L
• North Bridge Imaging Group, LLC
• North Bridge Podiatry Group, P.C.
• Caitlin Norton

• Hematology & Oncology Physician in Concord, MA
• Providers in Concord, MA by specialty
• Hematology & Oncology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; 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.