NPIMap

Individual provider Active NPI

Sarah Maier Friedewald, MD

  • Diagnostic Radiology Physician
  • Boston, MA
National Provider Identifier
1952388589
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
036112879 Issued in IL
Practice address
55 Fruit St
Boston, MA 02114-2621
Phone
(617) 724-0223
NPI assigned
Dec 23, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 01030452A IN
Diagnostic Radiology Physician 2085R0202X 48585 WI
Diagnostic Radiology Physician 2085R0202X MD421559 PA
Diagnostic Radiology Physician 2085R0202X 036112879 IL Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2621

Mailing address

676 N Saint Clair St
Suite 800
Chicago, IL 60611-2927
Phone (312) 695-5753

Other practice location 1

250 E Superior St
NMH Prentice Women's Hospital
Chicago, IL 60611-2914
Phone (312) 695-5753

Other identifiers 1

IdentifierTypeStateIssuer
036112879MedicaidIL

Other names 1

  • Sally Fiedewald Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050420001130 IL Practitioner - Diagnostic Radiology 8921094780
I20250904002087 MA Practitioner - Diagnostic Radiology 8921094780 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Columbia University College of Physicians and Surgeons, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.19 of 100Reported as apm
Quality
83.05
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036112879ILMDDiagnostic Radiology Physician
01030452AINMDDiagnostic Radiology Physician
MD421559PAMDDiagnostic Radiology Physician
48585WIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Jun 27, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients
Massachusetts General Physicians Organization Inc Diagnostic Radiology CurrentSince Jun 27, 2025 Accepting new patients
Southeast Radiology LTD Diagnostic Radiology Past Accepting new patients
Trustees of the University of Pennsylvania Past Accepting new patients
Global Medical Imaging, SC Diagnostic Radiology Past Accepting new patients
Arlington Heights Radiology Center, LLC Past Accepting new patients
MRI Professionals Inc. Diagnostic Radiology Past Accepting new patients
City of Hope Medical Group of Illinois PLLC Past Accepting new patients
Univ of Penn Community Radiology Diagnostic Radiology Past Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

Interoperability endpoints

  • Direct secure messaging: friedewald.sarah.mgh@direct.partners.masshiway.net

Organizations & group practices 10

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 5

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": "1135296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1952388589",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST",
            "address_2": "SUITE 800",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112927",
            "telephone_number": "312-695-5753",
            "fax_number": "312-695-5645"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-724-0223"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 E Superior St",
            "address_2": "NMH Prentice Women's Hospital",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606112914",
            "country_code": "US",
            "telephone_number": "312-695-5753",
            "fax_number": "312-695-5645",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FRIEDEWALD",
        "first_name": "SARAH",
        "middle_name": "MAIER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-23",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IN",
            "license": "01030452A",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "48585",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD421559",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036112879",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036112879",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SALLY",
            "last_name": "FIEDEWALD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.