DR. FREDERICK L MANSFIELD (MD) – Orthopaedic Surgery Physician, NPI 1891785325

DR. FREDERICK L MANSFIELD (MD) is a healthcare provider. based in Charlestown, Massachusetts. specializing in Orthopaedic Surgery Physician. They hold the professional credentials MD. They hold a License No. 44332 (MA). The NPI Number for DR. FREDERICK L MANSFIELD (MD) is 1891785325

Main info

Male
50 Years Of Experience
Accepts Medicare Assignment
Name
DR. FREDERICK L MANSFIELD (MD)
NPI
1891785325
Phone
(617) 724-0287
Address
PO BOX 9142
Enumeration Date
26 October 2005
Last Update Date
13 June 2011

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
6174954414
Graduation Year
1976 (50 years ago)
PAC ID
1052382405
Group Practice PAC ID
2062303894
Professional Enrollment ID
I20040802000451
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. FREDERICK L MANSFIELD (MD)

  • Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom

    CHARLESTOWN, MA 021299142

    Phone: (617) 724-0287

    Fax: (617) 726-2894

    Type: Mailing

  • Emerson Place, West End, Boston, Suffolk County, Massachusetts, 02214, United States

    SUITE 120 E00-120

    BOSTON, MA 021142241

    Phone: (617) 726-5919

    Fax: (617) 742-7849

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-08-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040802000451IOrthopedic SurgeryMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02129)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2062303894View full group profile

Reviews

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Frequently asked questions

Does DR. FREDERICK L MANSFIELD (MD) have a public NPI I can cite?
Public records show DR. FREDERICK L MANSFIELD (MD) under NPI 1891785325.
Should I treat DR. FREDERICK L MANSFIELD (MD) as an active provider?
Patients and plans typically see DR. FREDERICK L MANSFIELD (MD) as active in the national extract.
Which specialty label fits DR. FREDERICK L MANSFIELD (MD)?
NPPES ties DR. FREDERICK L MANSFIELD (MD) to Orthopaedic Surgery Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. FREDERICK L MANSFIELD (MD)?
DR. FREDERICK L MANSFIELD (MD) is associated with Charlestown, Massachusetts in the same public data insurers reference.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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