DR. CHEN E ROSENBERG M.D.
NPI 1841533569
Allergy & Immunology in Boston, MA
About Dr. Chen E Rosenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHEN E ROSENBERG M.D. (NPI 1841533569) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Massachusetts (278609) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Lahey Hospital & Medical Center, Burlington, and maintains a secondary practice location in Burlington.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Chen E Rosenberg 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 Reassignments
3Medicare enrollment records show Chen Rosenberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAOther 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Chen Rosenberg's NPI number?
The NPI number for Chen Rosenberg is 1841533569. It was assigned to this individual provider in the NPPES registry on April 1, 2013.
Where is Chen Rosenberg located?
Chen Rosenberg practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-8707.
What is Chen Rosenberg's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Chen Rosenberg enrolled in Medicare?
Yes. Chen Rosenberg 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 organizations bill Medicare for Chen Rosenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chen Rosenberg reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Lahey Clinic, Inc. (Burlington, 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 Chen Rosenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chen Rosenberg accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Chen Rosenberg 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 Chen Rosenberg affiliated with any hospitals?
According to CMS data, Chen Rosenberg is affiliated with Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Chen Rosenberg was last updated on September 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Chen E Rosenberg, M.D. · NPI 1841533569
Allergy & Immunology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 1, 2013.
## Identity
- **NPI:** 1841533569 (Entity type: Individual)
- **Enumerated:** April 1, 2013
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 278609 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 726-8707 · **Fax:** (617) 724-2803
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2013
## Record status
- **NPPES last updated:** September 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1841533569) · Data from the CMS NPPES public registry.