Armand Angelo Sebastian, MD
Individual provider Active NPI Pediatrics Physician · Sterling, MA
NPI 1932789005 · NPPES record last updated Aug 14, 2026
Key facts
- NPI
- 1932789005
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Pediatrics Physician 208000000X
- License
- 1028521 (MA)
- Practice address
- 50 Leominster Rd
Sterling, MA 01564-2146 - Phone
- (978) 422-5082
- Fax
- (978) 422-5081
- NPI assigned
- Apr 12, 2021
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 3
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in CT
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240827002009 | CT | Practitioner - Pediatric Medicine | 8224438080 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Greenwich Hospital | Current |
Accepting new patients | |
| Greenwich Hospital | Current |
Accepting new patients | |
| Boston Children'S Health Physicians, LLP | Pediatrics | Past | Accepting new patients |
Locations
5 Perryridge Rd
Greenwich, CT 06830
Phone (203) 661-5330
789 Howard Ave
North Haven, CT 06519
Phone (203) 688-2471
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
- armand.sebastian.p1@direct.cwpw.nextgenshare.com
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 76714 | CT | |
| Pediatrics Physician | 208000000X | 1028521 | MA | Yes |
Addresses
Primary practice location
50 Leominster Rd
Sterling, MA 01564-2146
Mailing address
PO Box 415348
Boston, MA 02241-5348
Phone (800) 225-8885
Electronic endpoints
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ |
Other providers in Sterling, MA
- Lilian Rodrigues de Faria Thimotti
- Grexia Roig
- Brieanah Sahagian
- Jerry W Salo
- Michael Scherr
- James M Shenko
- William Robert Southworth
- Ibrahim Ssali
- Sterling Dental Group P.C.
- Sterling Family Chiropractic P.C.
All providers in Sterling, MA · Pediatrics Physician in Massachusetts
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Aug 14, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.