Active NPI
Penny M. Feldman, M.D.
- Pediatric Endocrinology Physician
- Boston, MA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Endocrinology Physician
- License
- 239244
- Practice address
- 300 Longwood Ave
Boston, MA 02115-5724 - Phone
- (617) 355-6000
- NPI assigned
- May 26, 2006
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 239244 | MA | |
| Pediatric Endocrinology Physician | 2080P0205X | 239244 | MA | Primary |
Addresses
Primary practice location
300 Longwood Ave
Boston, MA 02115-5724
Mailing address
300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110035425A | 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
Care Compare profile
Medicare Care Compare- Specialty
- Endocrinology
- Education
- Albert Einstein College of Medicine of Yeshiva University, 1994
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
300 Longwood Ave
Boston, MA 02115-5737
Hospital & facility affiliations
- Umass Memorial Medical Center/University Campus
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 82.98
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 239244 | MA | MD | Pediatric Endocrinology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Umass Memorial Medical Group Inc | Pediatrics | Current | Accepting new patients |
| Umass Memorial Medical Group, Inc. | Current | Accepting new patients |
Locations
300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956
55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862
Interoperability endpoints
- pfeldman22641@umassmemorial.direct-ci.com
Organizations & group practices 2
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
- Worcester, MA
- NPI 1760445373
Pediatrics
-
- Urgent Care Clinic/Center
- Oxford, MA
- NPI 1982381018
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Worcester, MA
- NPI 1831151455
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148601600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784851200000",
"number": "1013963586",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 LONGWOOD AVE",
"city": "BOSTON",
"state": "MA",
"postal_code": "021155724",
"telephone_number": "617-355-6000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 LONGWOOD AVE",
"city": "BOSTON",
"state": "MA",
"postal_code": "021155724",
"telephone_number": "617-355-6000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FELDMAN",
"first_name": "PENNY",
"middle_name": "M.",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-26",
"last_updated": "2026-07-24",
"certification_date": "2026-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "MA",
"license": "239244",
"primary": false
},
{
"code": "2080P0205X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Endocrinology",
"state": "MA",
"license": "239244",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110035425A",
"state": "MA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Boston, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; 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.