Frank Trieste Grassi

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

C52598 Issued in CA

Practice address

7901 Frost St
San Diego, CA 92123-2701

Phone

(858) 939-3411

NPI assigned

Jan 30, 2006

Last updated

Mar 30, 2026By the provider in NPPES

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

Critical Care (Intensivists)

Education

Tulane University School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Chest Medicine and Critical Care Medical Group IncGroup PAC ID 6103898259, 26 clinicians

Emergency and Acute Care Medical CorporationGroup PAC ID 9537108279, 431 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sharp Memorial Hospital Hospital, San Diego, CA, CCN 050100
• Sharp Chula Vista Medical Center Hospital, Chula Vista, CA, CCN 050222

Merit-based Incentive Payment System (MIPS)

Final score

79.91 of 100Reported as group

Quality

73.46

Improvement activities

20

Cost

73.34

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: fgrassi324400@scrippshlth.medalliesdirect.net

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.

• Chest Medicine and Critical Care Medical Group, Inc.

  • Pulmonary Disease Physician
  • San Diego, CA
  • NPI 1841292521

  Critical Care Medicine

  Medicare reassignment Care Compare group NPD
• Emergency and Acute Care Medical Corporation

  • Emergency Medicine Physician
  • San Diego, CA
  • NPI 1437103942
  Medicare reassignment Care Compare group NPD
• Scripps Health

  dba Scripps Hospital Medical Services

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1487928891
  NPD
• Scripps Clinic Medical Group, Inc

  dba Scripps Proton Therapy Center

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1073853180
  NPD (past)
• Templeton Inpatient Physicians PC

  • Orthopaedic Surgery Physician
  • Templeton, CA
  • NPI 1871757575

  Critical Care Medicine

  NPD (past)

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

• Sharp Chula Vista Medical Center

  • General Acute Care Hospital
  • Chula Vista, CA
  • NPI 1396728630
  Care Compare affiliation
• Sharp Memorial Hospital

  dba Sharp Allison deRose Rehabilitation Center

  • Rehabilitation Hospital Unit
  • San Diego, CA
  • NPI 1114901352
  Care Compare affiliation
• Sharp Memorial Hospital

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1407839921
  Care Compare affiliation

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

{
    "created_epoch": "1138579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1659342624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8555 AERO DR STE 104",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231744",
            "telephone_number": "858-650-5036",
            "fax_number": "858-650-5039"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7901 FROST ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921232701",
            "telephone_number": "858-939-3411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASSI",
        "first_name": "FRANK",
        "middle_name": "TRIESTE",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-30",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "C52598",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sofia Grassa
• Elizabeth Ann Grasse, RN, PHN
• Kathleen Grassetti, ASW
• Giulia Grassi Stevens
• Cecilia Jasmin Grassi
• Amanda Elizabeth Grassia, MA
• Karla Jo Grassman-Proksch
• Christian Anthony Grasso, M.S., CCC-SLP
• Madison Rose Grasso
• Noemi Grasso, M.S., CCC-SLP

• Critical Care Medicine (Internal Medicine) Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Critical Care Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.