Active NPI
Jonathon H Schwartz, MD
- Nephrology Physician
- Cambridge, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 160454
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Temple University School of Medicine, 1997
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
- Spaulding Hospital for Continuing Med Care-Camb
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mt Auburn Professional Services | Internal Medicine | Current | Accepting new patients |
| Mount Auburn Professional Services Inc | Internal Medicine | Current | Accepting new patients |
| Massachusetts General Physicians Organization Inc | Internal Medicine | Current | 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
- https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
- schwartz.jonathon.shc@direct.partners.masshiway.net
- 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.
| Facility | Type | Role | Since |
|---|---|---|---|
| Spaulding Rehabilitation Hospital - Boston | Hospital | Corporate Director | Sep 2, 2025 |
| Spaulding Rehabilitation Hospital Cape Cod | Hospital | Corporate Officer | Sep 2, 2025 |
| Spaulding Hospital for Continuing Medical Care - Cambridge | Hospital | Corporate Director | Sep 2, 2025 |
| Spaulding Hospital-Cambridge Inc. | Hospital | Corporate Director | Sep 2, 2025 |
| Spaulding Nursing and Therapy Center Brighton | 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.
-
- Rehabilitation Hospital
- E Sandwich, MA
- NPI 1265489736
Corporate Officer
-
- Rehabilitation Hospital Unit
- Cambridge, MA
- NPI 1538995659
Corporate Director
-
- Long Term Care Hospital
- Cambridge, MA
- NPI 1023240520
Corporate Director
-
- Skilled Nursing Facility
- Allston, MA
- NPI 1093714693
Corporate Director, Operational/Managerial Control
-
- Rehabilitation Hospital
- Charlestown, MA
- NPI 1780600825
Corporate Director
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.
-
- Dermatology Physician
- Boston, MA
- NPI 1801874573
Internal Medicine
-
- Internal Medicine Physician
- Cambridge, MA
- NPI 1992750996
-
- Internal Medicine Physician
- Cambridge, MA
- NPI 1013375203
-
- Land Ambulance
- Cambridge, MA
- NPI 1740250547
-
- Long Term Care Hospital
- Cambridge, MA
- NPI 1023240520
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Cambridge, MA
- NPI 1689670259
-
- Rehabilitation Hospital Unit
- Cambridge, MA
- NPI 1538995659
Long-term care hospital
-
- Long Term Care Hospital
- Cambridge, MA
- NPI 1023240520
Long-term care hospital
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 18, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.