Active NPI
Lydia Rose Maurer, MD
- Surgery Physician
- Philadelphia, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 277964
- Practice address
- 3400 Spruce Street
Philadelphia, PA 19104-3309 - Phone
- (978) 808-3232
- NPI assigned
- May 10, 2016
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 277964 | MA | Primary |
| Surgical Critical Care Physician | 2086S0102X | 277964 | MA |
Addresses
Primary practice location
3400 Spruce Street
Philadelphia, PA 19104-3309
Mailing address
51 N 39TH St
1 Mob, Ste 120
Philadelphia, PA 19104
Phone (978) 808-3232
Other practice location 1
165 Cambridge St
Boston, MA 02114-2783
Phone (617) 643-2439
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA, MA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Stanford University School of Medicine, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
165 Cambridge St
Boston, MA 02114-2783
Phone (617) 726-2000
165 Cambridge St
Suite 501
Boston, MA 02114-2759
Phone (617) 726-4900
Hospital & facility affiliations
- Massachusetts General Hospital
- North Shore Medical Center -
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.91 of 100
- Quality
- 73.58
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 76.13
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair - groin (open) | 1-10 |
| Hernia repair (minimally invasive) | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Penn-Medical Group | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients | |
| University of Penn - Medical Group | Current | Accepting new patients | |
| University of Penn-Medical Group | Current | Accepting new patients | |
| Massachusetts General Physicians Organization Inc | Surgery | Current | Accepting new patients |
| General Hospital Corp | Current | Accepting new patients | |
| The General Hospital Corporation | Current | Accepting new patients | |
| Presbyterian Medical Center of the University of Pennsylvania Health S | Past | Accepting new patients | |
| Trustees of the University of Pennsylvania | Past | Accepting new patients |
Locations
55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967
165 Cambridge St
Ste 501
Boston, MA 02114
Phone (617) 726-4600
55 Fruit St
Boston, MA 02114
165 Cambridge St
Boston, MA 02114
Phone (617) 726-4600
62 13th St
Charlestown, MA 02129
Phone (617) 724-4260
3624 Market St
Fl 2
Philadelphia, PA 19104
Phone (215) 615-3669
Interoperability endpoints
- maurer.lydia.mgh@direct.partners.masshiway.net
Organizations & group practices 9
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
Surgery
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
-
- Hospitalist Physician
- Philadelphia, PA
- NPI 1053447151
-
- Gynecologic Oncology Physician
- Philadelphia, PA
- NPI 1235527342
-
- Ophthalmology Physician
- Philadelphia, PA
- NPI 1316335425
-
- Surgical Oncology Physician
- Philadelphia, PA
- NPI 1871981985
-
- General Acute Care Hospital
- Boston, MA
- NPI 1508390014
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1245207521
-
- General Acute Care Hospital
- Philadelphia, PA
- NPI 1851370910
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Salem, MA
- NPI 1730121633
-
- General Acute Care Hospital
- Boston, MA
- NPI 1023049236
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1462838400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765843200000",
"number": "1225484116",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "51 N 39TH ST",
"address_2": "1 MOB, STE 120",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "19104",
"telephone_number": "978-808-3232"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3400 SPRUCE STREET",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191043309",
"telephone_number": "978-808-3232"
}
],
"practiceLocations": [
{
"address_1": "165 Cambridge St",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021142783",
"country_code": "US",
"telephone_number": "617-643-2439",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MAURER",
"first_name": "LYDIA",
"middle_name": "ROSE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-05-10",
"last_updated": "2025-12-16",
"certification_date": "2025-12-16",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MA",
"license": "277964",
"primary": true
},
{
"code": "2086S0102X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Critical Care",
"state": "MA",
"license": "277964",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; 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.