DR. DIANA C GALLAGHER (MD) – Internal Medicine Physician, NPI 1356331433

DR. DIANA C GALLAGHER (MD) is a healthcare provider. based in Charlestown, Massachusetts. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 210388 (MA). The NPI Number for DR. DIANA C GALLAGHER (MD) is 1356331433

Main info

Female
Name
DR. DIANA C GALLAGHER (MD)
NPI
1356331433
Phone
(617) 724-0287
Address
PO BOX 9142
Enumeration Date
28 October 2005
Last Update Date
11 September 2025
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness85
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. DIANA C GALLAGHER (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

  • Massachusetts General Hospital, 55, Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States

    BUL 148

    BOSTON, MA 021142621

    Phone: (617) 726-3734

    Fax: (617) 726-6878

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $67.

Total Amount is formed as General ($67) + Research ($0) + Ownership ($0) = $67.

Last reported payment date: 2023-03-29 • Largest payer in this snapshot: Eisai Inc. ($67).

Total Amount

$67

General + Research + Ownership

Payments

1

Total payment records

General Amount

$67

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-03-29

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Eisai Inc.$67
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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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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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Reviews

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Frequently asked questions

How do I look up DR. DIANA C GALLAGHER (MD) by NPI?
Use NPI 1356331433 when you need to reference DR. DIANA C GALLAGHER (MD) in forms, claims, or directories.
Is DR. DIANA C GALLAGHER (MD) active in the national directory?
DR. DIANA C GALLAGHER (MD)'s public NPI profile is in an active state.
Does DR. DIANA C GALLAGHER (MD) list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for DR. DIANA C GALLAGHER (MD). Clinical services aligned with this taxonomy classification.
Does DR. DIANA C GALLAGHER (MD) practice in Massachusetts?
You will see Charlestown, Massachusetts on file for DR. DIANA C GALLAGHER (MD) alongside any extra practice locations.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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