Mahmoud M Sakr, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

256336 Issued in MA

Practice address

300 Chestnut St Ste 500
Needham, MA 02492-2428

Phone

(877) 771-1234

NPI assigned

May 29, 2008

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, MI2 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 2

Specialty

Internal Medicine

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lowell General Inpatient Specialists PLLCGroup PAC ID 8729371380, 70 clinicians

Winchester Lahey Inpatient Specialists PLLCGroup PAC ID 6608150149, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lowell General Hospital Hospital, Lowell, MA, CCN 220063
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029
• Winchester Hospital Hospital, Winchester, MA, CCN 220105

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: msakr107130@tuftsmedicine.direct-ci.com
• FHIR API: https://fhir-myrecord.cerner.com/r4/d04f75c7-2a62-4686-b520-7bf0635f38f0/

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

• Winchester Lahey Inpatient Specialists PLLC

  • Internal Medicine Physician
  • Winchester, MA
  • NPI 1144770629
  Medicare reassignment Care Compare group NPD
• Lowell General Inpatient Specialists PLLC

  • Internal Medicine Physician
  • Lowell, MA
  • NPI 1649626391
  Medicare reassignment Care Compare group
• Athol Memorial Hospital Incorporated

  • Critical Access Hospital
  • Athol, MA
  • NPI 1336120047
  Medicare reassignment NPD
• Henry Heywood Memorial Hospital

  dba Heywood Hospital

  • General Acute Care Hospital
  • Gardner, MA
  • NPI 1205823879
  Medicare reassignment NPD
• Sound Physicians of Massachusetts Inc

  dba Sound Physicians

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1740678408
  Medicare reassignment NPD
• Winchester Hospital Inpatient Specialists PLLC

  • Internal Medicine Physician
  • Winchester, MA
  • NPI 1093125684
  Medicare reassignment NPD
• Vituity - Michigan Hospitalists PC

  • Hospitalist Physician
  • Lansing, MI
  • NPI 1487278156

  Internal Medicine

  Medicare reassignment NPD
• Core Healthcare Plus LLC

  • Primary Care Clinic/Center
  • Needham, MA
  • NPI 1982461505
  NPD (past) Authorized official
• Henry Heywood Memorial Hospital

  dba Heywood Hospital

  • Psychiatric Hospital Unit
  • Gardner, MA
  • NPI 1457685299
  NPD
• Sound Physicians of Massachusetts, Inc

  • Internal Medicine Physician
  • Stoughton, MA
  • NPI 1245784446
  NPD
• The Lowell General Hospital

  dba Lowell General Hospital

  • General Acute Care Hospital
  • Lowell, MA
  • NPI 1407804669
  NPD (past)

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

• The Lowell General Hospital

  dba Lowell General Hospital

  • General Acute Care Hospital
  • Lowell, MA
  • NPI 1407804669
  Care Compare affiliation
• Winchester Hospital

  • General Acute Care Hospital
  • Winchester, MA
  • NPI 1790740777
  Care Compare affiliation
• HCA Health Services of New Hampshire Inc

  dba Portsmouth Regional Hospital

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

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

{
    "created_epoch": "1212019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1861650681",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 CHESTNUT ST STE 500",
            "city": "NEEDHAM",
            "state": "MA",
            "postal_code": "024922428",
            "telephone_number": "877-771-1234"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 CHESTNUT ST STE 500",
            "city": "NEEDHAM",
            "state": "MA",
            "postal_code": "024922428",
            "telephone_number": "877-771-1234"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAKR",
        "first_name": "MAHMOUD",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-29",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "256336",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD438854",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elisabeth Huntington Russell, MS CCC-SLP
• Daniel M. Rutowicz, DPM
• Caitlin J. Ryan, OTR
• Lisa Ryan, OTR/L
• Shelby Sagmani, OTRL
• Abhinav Saksena, DDS
• Salib Fanikos Dental Care
• William Nason Salloway, PSY.D.
• Mariah Salloum Samara, MD
• Elizabeth Sampson, DDS

• Internal Medicine Physician in Needham, MA
• Providers in Needham, MA by specialty
• Internal Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 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.