Active NPI
Rachel Freda Haft, MD
- Internal Medicine Physician
- Cambridge, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 70493
- Practice address
- 625 Mount Auburn St Ste 101a
Cambridge, MA 02138-4518 - Phone
- (617) 492-4545
- Fax
- (617) 492-4559
- NPI assigned
- Nov 1, 2005
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | 70493 | MA | |
| Internal Medicine Physician | 207R00000X | 70493 | MA | Primary |
Addresses
Primary practice location
625 Mount Auburn St Ste 101a
Cambridge, MA 02138-4518
Mailing address
330 Mount Auburn St
Parsons 2
Cambridge, MA 02138-5597
Phone (617) 492-4545
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110050672A | Medicaid | MA |
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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040609000966 | MA | Practitioner - Internal Medicine | 1355324567 | Reassigns benefits to 2 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Washington University School of Medicine, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Mount Auburn Professional Services Inc
Practice addresses (Care Compare)
57 Bedford St
Suite 130
Lexington, MA 02420-4543
Phone (781) 862-7500
Hospital & facility affiliations
- Beth Israel Lahey Health at Home
- Mount Auburn Hospital
- Beth Israel Deaconess Medical Center
- Beth Israel Deaconess Hospital - Needham
- Brigham and Women Faulkner Hospital
- Lahey Hospital & Medical Center, Burlington
- Spaulding Rehabilitation Hospital
- Spaulding Rehabilitation Hospital - Cape Cod
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal or shaving of skin growth | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 70493 | MA | MD | Internal Medicine Physician |
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 |
Locations
330 Mount Auburn St
#2
Cambridge, MA 02138
Phone (617) 499-5026
625 Mount Auburn St
Cambridge, MA 02138
Phone (617) 354-5658
625 Mount Auburn St
Ste 101A
Cambridge, MA 02138
Phone (617) 492-4545
625 Mount Auburn St
Fl First
Cambridge, MA 02138
57 Bedford St
Ste 130
Lexington, MA 02420
Phone (781) 484-7500
Interoperability endpoints
- rhaft255152@direct.bilh.masshiway.net
- https://api.platform.athenahealth.com/86/brand/1/csg/1/fhir/r4
Ownership & related parties
All facility ownership & control disclosures 1
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Mount Auburn Hospital | Hospital | Corporate Director | Oct 1, 2022 |
Owned or controlled facilities with NPI records 1
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
Organizations & group practices 3
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.
-
- Internal Medicine Physician
- Cambridge, MA
- NPI 1992750996
Internal Medicine, MA
-
- Internal Medicine Physician
- Cambridge, MA
- NPI 1013375203
Internal Medicine
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1548202641
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1578677811
Hospital
-
- Psychiatric Hospital Unit
- Boston, MA
- NPI 1033121025
Hospital
-
- Home Health Agency
- Woburn, MA
- NPI 1346257474
-
- Rehabilitation Hospital
- E Sandwich, MA
- NPI 1265489736
Inpatient rehabilitation facility
-
- Rehabilitation Hospital
- Charlestown, MA
- NPI 1780600825
Inpatient rehabilitation facility
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130803200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769644800000",
"number": "1720079536",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "330 MOUNT AUBURN ST",
"address_2": "PARSONS 2",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021385597",
"telephone_number": "617-492-4545",
"fax_number": "617-492-4559"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "625 MOUNT AUBURN ST STE 101A",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021384518",
"telephone_number": "617-492-4545",
"fax_number": "617-492-4559"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAFT",
"first_name": "RACHEL",
"middle_name": "FREDA",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-01",
"last_updated": "2026-01-29",
"certification_date": "2026-01-29",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "MA",
"license": "70493",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "70493",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110050672A",
"state": "MA"
}
],
"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 Jan 29, 2026; 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.