Efrain Jose Otero Palacios, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

1023942 Issued in MA

Practice address

50 Memorial Dr
Leominster, MA 01453-2238

Phone

(978) 466-4535

NPI assigned

Jul 7, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Nephrology

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• DaVita PDI Fitchburg Dialysis facility, Fitchburg, MA, CCN 222536
• Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001
• Heywood Hospital - Hospital, Gardner, MA, CCN 220095
• Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163
• Boston Medical Center-Brighton Hospital, Brighton, MA, CCN 220036

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  Medicare reassignment Care Compare group NPD
• Umass Memorial Medical Group, Inc.

  • Urgent Care Clinic/Center
  • Oxford, MA
  • NPI 1982381018
  NPD

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

• Physicians Dialysis Acquisitions Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Fitchburg, MA
  • NPI 1548229495

  Dialysis facility

  Care Compare affiliation Name & address match
• Boston Medical Center - Brighton Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1720814072
  Care Compare affiliation
• Henry Heywood Memorial Hospital

  • General Acute Care Hospital
  • Gardner, MA
  • NPI 1205823879
  Care Compare affiliation
• Heywood Medical Group Inc.

  • General Practice Physician
  • Gardner, MA
  • NPI 1699762286

  Hospital

  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • General Acute Care Hospital
  • Leominster, MA
  • NPI 1013995133
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • Psychiatric Hospital Unit
  • Clinton, MA
  • NPI 1285171934
  Care Compare affiliation
• Umass Memorial Medical Center, Inc.

  • General Acute Care Hospital
  • Worcester, MA
  • NPI 1831151455
  Care Compare affiliation

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

{
    "created_epoch": "1467849600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1114379716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 415348",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022415348",
            "telephone_number": "800-225-8885"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 MEMORIAL DR",
            "city": "LEOMINSTER",
            "state": "MA",
            "postal_code": "014532238",
            "telephone_number": "978-466-4535"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OTERO PALACIOS",
        "first_name": "EFRAIN",
        "middle_name": "JOSE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-07-07",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MA",
            "license": "1023942",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cecilia Ampa Opoku
• Frank Kwakye Opoku
• Edmond Oppong, MSW
• Allison Waite Osborn, MA
• Kay Christine Osborne, LMHC
• Outlook Healthcare Services
• Outlook Healthcare Services
• April Owen
• Vanessa L Owen, LMHC
• Peace Owino, MS

• Nephrology Physician in Leominster, MA
• Providers in Leominster, MA by specialty
• Nephrology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 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.