ALEXANDER TENG MD
NPI 1124413752
Internal Medicine - Hospice and Palliative Medicine in Boston, MA

Active since March 31, 2015PECOS Enrolled
BIDMC-PALLIATIVE CARE, 330 BROOKLINE AVE, E/YAMINS 100, BOSTON, MA 02215(617) 667-1320(617) 667-2854 Get Directions Write a Review

NPPES record last updated: July 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 12, 2022, Aug 23, 2018 (2 updates tracked since 2018).

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

NPI1124413752
Entity TypeIndividualMale
Primary Taxonomy207RH0002X
Provider Legal NameALEXANDER TENGCredential: MD
Location AddressBIDMC-PALLIATIVE CARE, 330 BROOKLINE AVE, E/YAMINS 100Boston, MA 02215
Mailing AddressBidmc-palliative Care, 330 Brookline Ave, E/yamins 100Boston, MA 02215-0001 · (617) 667-1320 · Fax (617) 667-2854
Fax(617) 667-2854
Sole ProprietorNo
Enumeration DateMarch 31, 2015
Last NPPES UpdateJuly 12, 20222 updates tracked since enumeration
NPPES CertifiedJune 30, 2022
✔ NPI 1124413752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in MA · 274708
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedHospitalistTaxonomy 208M00000X · License 274708 (MA)
BIDMC-PALLIATIVE CARE, Boston, MA 02215

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
Case Management
75 SYLVAN ST, SUITE B-102
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.