Individual provider Active NPI

Sara Lauren Grassi

  • Internal Medicine Physician
  • Baltimore, MD
National Provider Identifier
1477015303
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
1015018 Issued in MA
Practice address
601 N Caroline St Ste 1261
Baltimore, MD 21287-0006
Phone
(781) 744-8000
NPI assigned
Apr 1, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 280125 MA
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 1015018 MA Primary
Pulmonary Disease Physician 207RP1001X D0103755 MD

Addresses

Primary practice location

601 N Caroline St Ste 1261
Baltimore, MD 21287-0006

Mailing address

601 N Caroline St Ste 1261
Baltimore, MD 21287-0006

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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

Enrollment IDStateProvider typePAC IDDetails
I20260114001755 MD Practitioner - Critical Care (Intensivists) 3476887241 Reassigns benefits to 1 organization
I20260114002046 DC Practitioner - Critical Care (Intensivists) 3476887241 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)
Education
Drexel University College of Medicine, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3007 Tilden St NW
Suite 5N
Washington, DC 20008-3030

6201 Greenleigh Ave
Baltimore, MD 21220-2004

Hospital & facility affiliations

  • Johns Hopkins Bayview Medical Center Hospital, Baltimore, MD, CCN 210029
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score
91.98 of 100Reported as apm
Quality
76.59
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
1015018MAMDInternal Medicine Physician
D0103755MDMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins Community Physicians Internal Medicine CurrentSince Feb 1, 2026 Accepting new patients
Johns Hopkins Community Physicians Internal Medicine CurrentSince Feb 1, 2026 Accepting new patients
Johns Hopkins Community Physicians, Inc Internal Medicine CurrentSince Feb 1, 2026 Accepting new patients
Boston Medical Center Corporation Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Lahey Clinic, Inc Internal Medicine Past Accepting new patients

Locations

601 N Caroline St
Ste 1261
Baltimore, MD 21287
Phone (443) 287-3313

1000 E Eager St
Baltimore, MD 21202
Phone (410) 522-9800

14207 Park Center Dr
Ste 102
Laurel, MD 20707
Phone (301) 604-5254

Interoperability endpoints

  • Direct secure messaging: sshusterman117784@direct.bmc.masshiway.net
  • Direct secure messaging: sshusterman1374301@direct.hopkinsmedicine.org

Organizations & group practices 7

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1554076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1477015303",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 N CAROLINE ST STE 1261",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 N CAROLINE ST STE 1261",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870006",
            "telephone_number": "781-744-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASSI",
        "first_name": "SARA",
        "middle_name": "LAUREN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-01",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "280125",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "1015018",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MD",
            "license": "D0103755",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.