FLORENCE ON MD
NPI 1194175075
Emergency Medicine in Boston, MA
About Florence On Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FLORENCE ON MD (NPI 1194175075) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (266898) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Univ. Of Vermont - Fletcher Allen Health Care, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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
Florence On 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
3Medicare enrollment records show Florence On reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brandon, VT 05733
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1134457013 (Vermont)
- 243 clinicians in this Medicare group
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Univ. Of Vermont - Fletcher Allen Health Care
Acute Care Hospitals · Burlington, VTPorter Hospital, Inc
Critical Access Hospitals · Middlebury, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Florence On's NPI number?
The NPI number for Florence On is 1194175075. It was assigned to this individual provider in the NPPES registry on June 21, 2016.
Where is Florence On located?
Florence On practices at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. The listed phone number is (617) 724-4184.
What is Florence On's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Florence On enrolled in Medicare?
Yes. Florence On 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 Florence On's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Florence On reassigns Medicare benefits to 3 organizations: Porter Hospital Inc (Brandon, VT), University Of Vermont Medical Center Inc (Burlington, VT) and Champlain Valley Physicians Hospital Medical Center (Plattsburgh, NY). 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 Florence On's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Florence On affiliated with any hospitals?
According to CMS data, Florence On is affiliated with Univ. Of Vermont - Fletcher Allen Health Care and Porter Hospital, Inc.
When was this NPI record last updated?
The NPPES record for Florence On was last updated on June 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Florence On, MD · NPI 1194175075
Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 21, 2016.
## Identity
- **NPI:** 1194175075 (Entity type: Individual)
- **Enumerated:** June 21, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 266898 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., Boston, MA 02114
- **Phone:** (617) 724-4184
## 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): Porter Hospital Inc (NPI 1609896935, Brandon, VT); University Of Vermont Medical Center Inc (NPI 1659309615, Burlington, VT); Champlain Valley Physicians Hospital Medical Center (NPI 1033270699, Plattsburgh, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** June 21, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1194175075) · Data from the CMS NPPES public registry.