FRANK T GRASSI M.D. NPI 1649320821

NPI Information

  • NPI: 1649320821
  • Provider Name: FRANK T GRASSI M.D.
  • Classification: Internal Medicine - 207RC0200X
  • Specialization: Critical Care Medicine
  • Entity Type: Organization
  • Address: 4033 3RD AVE STE 300
    SAN DIEGO, CA
    ZIP 92103
  • Phone: (619) 299-2570

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NPI Details

FRANK T GRASSI M.D. is a critical care medicine internal medicine in San Diego, CA. The provider is an internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists. FRANK T GRASSI M.D. NPI is 1649320821. The provider is registered as an organization entity type and is a multi-specialty group.

The provider's business location address is:

4033 3RD AVE STE 300
SAN DIEGO, CA
ZIP 92103-138
Phone: (619) 299-2570
Fax: (619) 294-2738

The provider's authorized official is Melissa Miller .
The authorized official title is Medical Biller and has the following contact phone number (619) 299-2570.

The enumeration date for this NPI number is 1/11/2007 and was last updated on 9/11/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RP1001XInternal MedicinePulmonary DiseaseNo
2207RC0200XInternal MedicineCritical Care MedicineYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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