Mariam Masri, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95016482 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-4000

Fax

(650) 497-8000

NPI assigned

Jun 19, 2017

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 1

Medicare fee-for-service enrollment

Enrolled in NY, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Stanford Health Care Hospital, Stanford, CA, CCN 050441

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations (25 of 27)

Interoperability endpoints

• Direct secure messaging: mariam.masri@uram.eclinicaldirectplus.com
• Direct secure messaging: mariammasri@nslijmedgr.allscriptsdirect.net
• Direct secure messaging: mmasri580127@hisp.ehr.sutterhealth.org

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.

• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Medicare reassignment Care Compare group NPD
• LPCH Medical Group Div of Lucile

  • Children's Hospital
  • Palo Alto, CA
  • NPI 1417907940
  Medicare reassignment NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment NPD
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment NPD
• Upper Room AIDS Ministry, Inc. Adult Day Health Care Center.

  • Clinic/Center
  • New York, NY
  • NPI 1417986340
  Medicare reassignment NPD
• Stanford Health Care

  • Specialty Pharmacy
  • Mountain View, CA
  • NPI 1760366132
  NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Orinda, CA
  • NPI 1366898538
  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1730238007
  NPD (past)
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1003267196
  NPD (past)
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769
  NPD (past)
• Lenox Hill Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1477616571
  NPD (past)

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

• Stanford Health Care

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758

  Hospital

  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1275076325
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1285177337
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Pleasanton, CA
  • NPI 1467990465
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1871543215
  Care Compare affiliation
• Stanford Life Flight

  • Air Ambulance
  • Stanford, CA
  • NPI 1114063203

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1497830400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1629508924",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000",
            "fax_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000",
            "fax_number": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "130 E 77th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "10075",
            "country_code": "US",
            "telephone_number": "212-434-6400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1100 Van Ness Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096978",
            "country_code": "US",
            "telephone_number": "415-600-5760",
            "fax_number": "415-369-1208",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "169 W 133rd St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "10030",
            "country_code": "US",
            "telephone_number": "646-762-4950",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "130 E 77th St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "10075",
            "country_code": "US",
            "telephone_number": "212-434-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASRI",
        "first_name": "MARIAM",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-19",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95016482",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE MEDICAL LICENSE",
            "identifier": "95106482",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julianna George Marwell, M.D.
• Erica Mascarenhas
• Pedrom Mashayekhi Mashaw, DDS
• David Maslove, MD, FRCPC
• Daniel Philippe Mason, M.D.
• Payam Michael Massaband, MD
• Suleiman Alfred Massarweh, MD
• Ronald Masson, M.D.
• Tarik Fathy Massoud, MD
• Rustin A Massoudi, MD

• Nurse Practitioner in Stanford, CA
• Providers in Stanford, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.