DR. FREDERICK L MANSFIELD MD
NPI 1891785325
Orthopaedic Surgery in Boston, MA
About Dr. Frederick L Mansfield Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FREDERICK L MANSFIELD MD (NPI 1891785325) is an individual orthopaedic surgery provider in Boston, Massachusetts, licensed in Massachusetts (44332) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Frederick L Mansfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Frederick Mansfield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: President & Fellows Of Harvard College
- 170 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.
Physician 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 9
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 Frederick Mansfield's NPI number?
The NPI number for Frederick Mansfield is 1891785325. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is Frederick Mansfield located?
Frederick Mansfield practices at 0 Emerson Pl Suite 120 E00-120, Boston, MA 02114. The listed phone number is (617) 726-5919.
What is Frederick Mansfield's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Frederick Mansfield enrolled in Medicare?
Yes. Frederick Mansfield is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Frederick Mansfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Mansfield reassigns Medicare benefits to President And Fellows Of Harvard College (Boston, 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 Frederick Mansfield'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 Frederick Mansfield was last updated on June 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Frederick L Mansfield, MD · NPI 1891785325
Orthopaedic Surgery physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 26, 2005.
## Identity
- **NPI:** 1891785325 (Entity type: Individual)
- **Enumerated:** October 26, 2005
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 44332 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 0 EMERSON PL, SUITE 120 E00-120, Boston, MA 02114-2241
- **Phone:** (617) 726-5919 · **Fax:** (617) 742-7849
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** President And Fellows Of Harvard College (NPI 1972761807, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 13, 2011
- **Other identifiers:** Medicare UPIN A54789; Medicare ID-Type Unspecified E05637 (MA); Medicaid 0152269 (MA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1891785325) · Data from the CMS NPPES public registry.