DR. MICHAEL L LANGAN (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1366433922

DR. MICHAEL L LANGAN (MD) is a healthcare provider. based in Charlestown, Massachusetts. specializing in Geriatric Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. 151239 (MA). The NPI Number for DR. MICHAEL L LANGAN (MD) is 1366433922

Main info

Male
Name
DR. MICHAEL L LANGAN (MD)
NPI
1366433922
Phone
(617) 726-4633
Address
PO BOX 9142
Enumeration Date
2 November 2005
Last Update Date
21 December 2012
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. MICHAEL L LANGAN (MD)

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

    MASS GENERAL PHYSICIANS ORGANIZATION

    CHARLESTOWN, MA 021299142

    Phone: (617) 726-4633

    Fax: (617) 228-6306

    Type: Mailing

  • Charles River Plaza Garage, Cambridge Street, West End, Boston, Suffolk County, Massachusetts, 02114, United States

    SUITE 501 CPZ 502

    BOSTON, MA 021142725

    Phone: (617) 726-4600

    Fax: (617) 228-6306

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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

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Medicare Utilization (FFS)

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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

What number should I use to identify DR. MICHAEL L LANGAN (MD) for billing?
Administrative and clinical systems typically use NPI 1366433922 for DR. MICHAEL L LANGAN (MD).
Should I treat DR. MICHAEL L LANGAN (MD) as an active provider?
Patients and plans typically see DR. MICHAEL L LANGAN (MD) as active in the national extract.
How should patients interpret DR. MICHAEL L LANGAN (MD)'s specialty?
The extract shows Geriatric Medicine (Internal Medicine) Physician for DR. MICHAEL L LANGAN (MD). Clinical services aligned with this taxonomy classification.
Which community is linked to DR. MICHAEL L LANGAN (MD)?
DR. MICHAEL L LANGAN (MD) shows a connection to Charlestown, Massachusetts in registry-derived data.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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