ALEXANDER TENG MD
NPI 1124413752
Internal Medicine - Hospice and Palliative Medicine in Boston, MA
About Alexander Teng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER TENG MD (NPI 1124413752) is an individual hospice and palliative medicine provider in Boston, Massachusetts, licensed in Massachusetts (274708) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexander Teng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alexander Teng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 clinicians in this Medicare group
Danvers, MA 01923
- Reassigned Medicare billing, Massachusetts enrollment
- 64 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Teng's NPI number?
The NPI number for Alexander Teng is 1124413752. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Alexander Teng located?
Alexander Teng practices at Bidmc-Palliative Care 330 Brookline Ave, E/Yamins 100, Boston, MA 02215. The listed phone number is (617) 667-1320.
What is Alexander Teng's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Alexander Teng enrolled in Medicare?
Yes. Alexander Teng is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alexander Teng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Teng reassigns Medicare benefits to 2 organizations: Lahey Clinic, Inc. (Burlington, MA) and Care Dimensions, Inc. (Danvers, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Teng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Teng was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.