Kassem Safa, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

C210471 Issued in CA

Practice address

200 UCLA Medical PLZ Ste 565C
Los Angeles, CA 90095-8344

Phone

(310) 267-2555

Fax

(310) 825-9170

NPI assigned

Sep 4, 2008

Sex

Male

Sole proprietor

Yes

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, NH2 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

NephrologyAlso: Internal Medicine

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Nantucket Cottage HospitalGroup PAC ID 1759357601, shared by 4 NPIs, 91 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Nantucket Cottage Hospital Dialysis facility, Nantucket, MA, CCN 222315
• Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
• North Shore Medical Center - Hospital, Salem, MA, CCN 220035
• Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
• Wentworth-Douglass Hospital Hospital, Dover, NH, CCN 300018
• Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: safa.kassem.mgh@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.

• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment Care Compare group NPD
• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  NH

  Medicare reassignment Care Compare group
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497

  Emergency Medicine

  Medicare reassignment NPD
• Nantucket Cottage Hospital

  • Rural Acute Care Hospital
  • Nantucket, MA
  • NPI 1447214622
  Medicare reassignment NPD
• Nantucket Physicians Organization

  • Orthopaedic Surgery Physician
  • Nantucket, MA
  • NPI 1568798510
  Medicare reassignment NPD
• General Hospital Corp

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1508390014
  NPD
• Nantucket Cottage Hospital

  • Rural Health Clinic/Center
  • Nantucket, MA
  • NPI 1477021608
  NPD

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

• Brigham & Womens Hospital, Inc.

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1790717650
  Care Compare affiliation
• Newton-Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1992737761
  Care Compare affiliation
• North Shore Medical Center, Inc.

  • General Acute Care Hospital
  • Salem, MA
  • NPI 1730121633
  Care Compare affiliation
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  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

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

{
    "created_epoch": "1220486400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1336397231",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631",
            "telephone_number": "310-301-5200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 UCLA MEDICAL PLZ STE 565C",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900958344",
            "telephone_number": "310-267-2555",
            "fax_number": "310-825-9170"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_2": "GRB-1003K",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02114",
            "country_code": "US",
            "telephone_number": "617-726-2000 x31561",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SAFA",
        "first_name": "KASSEM",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-09-04",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "C210471",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C210471",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tatiana Saenz, RADT-I
• Courtney Meuy Saeteurn, PHARM. D
• Christopher Saez
• William Rod Saez, FNP
• Afshin Akhavan Safa, MD
• Sepehr Safadar
• Sama Safadi, RDN
• Michael Meier Safaee, MD
• Haniyeh Safaei
• Edwin Safaeipour, PA C

• Nephrology Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Nephrology Physician in California

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