JOANNA HOI YEUN NG-GLAZIER M.D.
NPI 1689994758
Surgery in Boston, MA
About Joanna Hoi Yeun Ng-glazier M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNA HOI YEUN NG-GLAZIER M.D. (NPI 1689994758) is an individual surgery provider in Boston, Massachusetts, licensed in Massachusetts (UNKNOWN) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Emerson Hospital -, and is a graduate of Boston University School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joanna Hoi Yeun Ng-glazier M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joanna Ng-glazier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 451 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emerson Hospital -
Acute Care Hospitals · W Concord, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Joanna Ng-glazier's NPI number?
The NPI number for Joanna Ng-glazier is 1689994758. It was assigned to this individual provider in the NPPES registry on June 10, 2010.
Where is Joanna Ng-glazier located?
Joanna Ng-glazier practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-8000.
What is Joanna Ng-glazier's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Joanna Ng-glazier enrolled in Medicare?
Yes. Joanna Ng-glazier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joanna Ng-glazier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Ng-glazier reassigns Medicare benefits to Emerson Practice Associates, Inc. (Concord, MA). The 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 Joanna Ng-glazier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanna Ng-glazier accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Joanna Ng-glazier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Joanna Ng-glazier affiliated with any hospitals?
According to CMS data, Joanna Ng-glazier is affiliated with Emerson Hospital -.
When was this NPI record last updated?
The NPPES record for Joanna Ng-glazier was last updated on April 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Joanna Hoi Yeun Ng-Glazier, M.D. · NPI 1689994758
Surgery physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 10, 2010.
## Identity
- **NPI:** 1689994758 (Entity type: Individual)
- **Enumerated:** June 10, 2010
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** UNKNOWN (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 BOSTON MEDICAL CTR PL, Boston, MA 02118-2908
- **Phone:** (617) 638-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Emerson Practice Associates, Inc. (NPI 1508020199, Concord, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** April 8, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1689994758) · Data from the CMS NPPES public registry.