Active NPI
Julian J Maldonado-Alers, MD
- Internal Medicine Physician
- Boston, MA
National Provider Identifier
1922689157
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 1024245
- Practice address
- 801 Massachussetts Ave
Crosstown 2
Boston, MA 02118 - Phone
- (617) 414-7399
- Fax
- (617) 414-4676
- NPI assigned
- Apr 19, 2021
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 1024245 | MA | Primary |
Addresses
Primary practice location
801 Massachussetts Ave
Crosstown 2
Boston, MA 02118
Mailing address
960 Massachusetts Ave Ste 2
Boston, MA 02118-2690
Other practice location 1
100 Ave Laurel
Bayamon, PR 00956-4816
Phone (787) 798-3001
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 |
|---|---|---|---|---|
| I20250528002982 | MA | Practitioner - Internal Medicine | 7113395443 |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2022
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
960 Massachusetts Ave
Suite 2
Boston, MA 02118-2620
Hospital & facility affiliations
- Boston Medical Center
- South Shore Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1024245 | MA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Boston Medical Center Corporation | Current | Accepting new patients |
Locations
960 Massachusetts Ave
Ste 2
Boston, MA 02118
Interoperability endpoints
- jmaldonadoalers172963@direct.bmc.masshiway.net
Organizations & group practices 1
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.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1164177028
-
- Community Health Clinic/Center
- South Boston, MA
- NPI 1225228679
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
-
- Community Health Clinic/Center
- Roslindale, MA
- NPI 1386718823
Hospital
-
- Community Health Clinic/Center
- Dorchester, MA
- NPI 1780874677
Hospital
-
- Community Health Clinic/Center
- East Boston, MA
- NPI 1861683518
Hospital
-
- General Acute Care Hospital
- South Weymouth, MA
- NPI 1134227606
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618790400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1745971200000",
"number": "1922689157",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "960 MASSACHUSETTS AVE STE 2",
"city": "BOSTON",
"state": "MA",
"postal_code": "021182690",
"fax_number": "617-414-4676"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 MASSACHUSSETTS AVE",
"address_2": "CROSSTOWN 2",
"city": "BOSTON",
"state": "MA",
"postal_code": "02118",
"telephone_number": "617-414-7399",
"fax_number": "617-414-4676"
}
],
"practiceLocations": [
{
"address_1": "100 Ave Laurel",
"address_purpose": "LOCATION",
"city": "Bayamon",
"state": "PR",
"postal_code": "009564816",
"country_code": "US",
"telephone_number": "787-798-3001",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MALDONADO-ALERS",
"first_name": "JULIAN",
"middle_name": "J",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-04-19",
"last_updated": "2025-04-30",
"certification_date": "2025-04-22",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MA",
"license": "1024245",
"primary": true
}
],
"identifiers": [],
"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 Apr 30, 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.