Lionel Marshall Nelson, MD

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

G19842 Issued in CA

Practice address

2577 Samaritan Dr Ste 765
San Jose, CA 95124-4109

Phone

(408) 358-6163

Fax

(408) 358-2302

NPI assigned

Jul 7, 2006

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 CA

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

Otolaryngology

Education

Yale University School of Medicine, 1969

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• El Camino Health Hospital, Mountain View, CA, CCN 050308

Merit-based Incentive Payment System (MIPS)

Final score

90.98 of 100Reported as apm

Quality

80.39

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: lnelson71658@ehr.johnmuirhealth.com

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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405

  Otolaryngology

  Medicare reassignment Care Compare group NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• Bay Area Surgical Specialists Inc a Medical Corporation

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Walnut Creek, CA
  • NPI 1023501905
  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD (past)
• Bass Medical Group

  • Pain Medicine Physician
  • Visalia, CA
  • NPI 1326409343
  NPD (past)
• Good Samaritan Hospital, L.P.

  dba Good Samaritan Hospital

  • General Acute Care Hospital
  • San Jose, CA
  • NPI 1376595777
  NPD (past)
• Stanford Hospital and Clinics

  dba SHC Reference Laboratory

  • Clinical Medical Laboratory
  • Palo Alto, CA
  • NPI 1174698468
  NPD (past)

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

• El Camino Hospital

  dba El Camino Health

  • General Acute Care Hospital
  • Mountain View, CA
  • NPI 1093712374
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1417199340
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1457594087
  Care Compare affiliation

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

{
    "created_epoch": "1152230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740700800000",
    "number": "1902838063",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2577 SAMARITAN DR STE 765",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951244109",
            "telephone_number": "408-358-6163",
            "fax_number": "408-358-2302"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2577 SAMARITAN DR STE 765",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951244109",
            "telephone_number": "408-358-6163",
            "fax_number": "408-358-2302"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2505 Samaritan Dr #510",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "95124",
            "country_code": "US",
            "telephone_number": "408-358-6163",
            "fax_number": "408-358-2302",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NELSON",
        "first_name": "LIONEL",
        "middle_name": "MARSHALL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-07",
        "last_updated": "2025-02-28",
        "certification_date": "2025-02-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "G19842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Ann Nelson, RBT
• Elliana Yazmin Nelson
• Karen Gainer Nelson
• Katharine Sue Nelson, MD
• Kristen Rouse Nelson, M.A.
• Meredith Nelson, CD
• Michelle Nelson, ACSW
• Penny Louise Nelson, PA-C
• Rachel Nelson
• Randall E. Nelson, M.D.

• Otolaryngology Physician in San Jose, CA
• Providers in San Jose, CA by specialty
• Otolaryngology Physician in California

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