CONNOR WILLIAM BROWN MD
NPI 1922636687
Emergency Medicine in Boston, MA
About Connor William Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONNOR WILLIAM BROWN MD (NPI 1922636687) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1018480) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Connor William Brown Md 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
6Medicare enrollment records show Connor Brown reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
New London, NH 03257
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1831200583 (New Hampshire)
- 141 clinicians in this Medicare group
Windsor, VT 05089
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1558358747 (Vermont)
- 104 clinicians in this Medicare group
Lebanon, NH 03766
- Reassigned Medicare billing, New Hampshire enrollment
- 283 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHNew London Hospital
Critical Access Hospitals · New London, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Connor Brown's NPI number?
The NPI number for Connor Brown is 1922636687. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Connor Brown located?
Connor Brown practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Connor Brown's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Connor Brown enrolled in Medicare?
Yes. Connor Brown 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 Connor Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Connor Brown reassigns Medicare benefits to 6 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Mary Hitchcock Memorial Hospital (Hampstead, NH), Dartmouth-Hitchcock Clinic (Keene, NH), The New London Hospital Association, Inc. (New London, NH), Windsor Hospital Corporation (Windsor, VT) and 1 more organization, listed in the Medicare section above. 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 Connor Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Connor Brown accept?
Health plans from Ambetter from NH Healthy Families and Taro Health list Connor Brown 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 Connor Brown affiliated with any hospitals?
According to CMS data, Connor Brown is affiliated with Brigham And Women's Hospital, Faulkner Hospital-Brigham And Women's, Mary Hitchcock Memorial Hospital and New London Hospital.
When was this NPI record last updated?
The NPPES record for Connor Brown was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Connor William Brown, MD · NPI 1922636687
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1922636687 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1018480 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); The New London Hospital Association, Inc. (NPI 1639610611, New London, NH); Windsor Hospital Corporation (NPI 1841287984, Windsor, VT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2020
## Record status
- **NPPES last updated:** May 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1922636687) · Data from the CMS NPPES public registry.