Individual provider Active NPI

Jonathon H Schwartz, MD

  • Nephrology Physician
  • Cambridge, MA
National Provider Identifier
1689644932
Registry record updated Nov 18, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
160454 Issued in MA
Practice address
1575 Cambridge St
Spaulding Hospital Cambridge
Cambridge, MA 02138-4308
Phone
(617) 876-4344
Fax
(617) 234-7981
NPI assigned
Jan 26, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 18, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 160454 MA
Nephrology Physician 207RN0300X 160454 MA Primary

Addresses

Primary practice location

1575 Cambridge St
Spaulding Hospital Cambridge
Cambridge, MA 02138-4308

Mailing address

1575 Cambridge St
Cambridge, MA 02138-4308
Phone (617) 349-5701

Other practice location 1

300 Mount Auburn St Ste 515
Cambridge, MA 02138-5665
Phone (617) 864-1571

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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

Enrollment IDStateProvider typePAC IDDetails
I20050119000841 MA Practitioner - NephrologyPractitioner - Internal Medicine 0749239564 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
NephrologyAlso: Internal Medicine
Education
Temple University School of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mount Auburn Professional Services IncGroup PAC ID 6103725031, 229 clinicians
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

300 Mount Auburn St
Cambridge, MA 02138-5600
Phone (617) 499-5112

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

Hospital & facility affiliations

  • Mount Auburn Hospital Hospital, Cambridge, MA, CCN 220002
  • Spaulding Hospital for Continuing Med Care-Camb Long-term care hospital, Cambridge, MA, CCN 222000

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mt Auburn Professional Services Internal Medicine CurrentSince May 1, 2018 Accepting new patients
Mount Auburn Professional Services Inc Internal Medicine CurrentSince May 1, 2018 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Oct 1, 2014 Accepting new patients
Spaulding Rehabilitation Hospital Corporation Current Accepting new patients
Spaulding Hospital-Cambridge, Inc. Past Accepting new patients
The General Hospital Corporation Past Accepting new patients

Locations

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

100 North Beacon St
Boston, MA 02134
Phone (617) 726-9700

300 Mount Auburn St
Ste 515
Cambridge, MA 02138
Phone (617) 665-1552

300 Mount Auburn St
Cambridge, MA 02138
Phone (617) 499-5025

1575 Cambridge St
Cambridge, MA 02138
Phone (617) 349-5700

57 Bedford St
Ste 130
Lexington, MA 02420
Phone (781) 484-7500

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
  • Direct secure messaging: schwartz.jonathon.shc@direct.partners.masshiway.net
  • Direct secure messaging: jschwartz98785@direct.bilh.masshiway.net

Ownership & related parties

All facility ownership & control disclosures 5

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Spaulding Rehabilitation Hospital - BostonCharlestown, MA, CCN 223034 Hospital Corporate Director Sep 2, 2025
Spaulding Rehabilitation Hospital Cape CodEast Sandwich, MA, CCN 223032 Hospital Corporate Officer Sep 2, 2025
Spaulding Hospital for Continuing Medical Care - CambridgeCambridge, MA, CCN 222000 Hospital Corporate Director Sep 2, 2025
Spaulding Hospital-Cambridge Inc.Cambridge, MA, CCN 22TA00 Hospital Corporate Director Sep 2, 2025
Spaulding Nursing and Therapy Center BrightonAllston, MA, CCN 225014A Skilled nursing facility Corporate Director
Operational/Managerial Control
Sep 2, 2025
Sep 2, 2025

Owned or controlled facilities with NPI records 5

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 6

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": "1138233600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1731888000000",
    "number": "1689644932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1575 CAMBRIDGE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021384308",
            "telephone_number": "617-349-5701",
            "fax_number": "617-234-7981"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1575 CAMBRIDGE ST",
            "address_2": "SPAULDING HOSPITAL CAMBRIDGE",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021384308",
            "telephone_number": "617-876-4344",
            "fax_number": "617-234-7981"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Mount Auburn St Ste 515",
            "address_purpose": "LOCATION",
            "city": "Cambridge",
            "state": "MA",
            "postal_code": "021385665",
            "country_code": "US",
            "telephone_number": "617-864-1571",
            "fax_number": "617-864-1507",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHWARTZ",
        "first_name": "JONATHON",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-26",
        "last_updated": "2024-11-18",
        "certification_date": "2024-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "160454",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MA",
            "license": "160454",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.