DR. WILLIAM ELLIS FALK (MD) – Geriatric Psychiatry Physician, NPI 1003807918

DR. WILLIAM ELLIS FALK (MD) is a healthcare provider. based in Charlestown, Massachusetts. specializing in Geriatric Psychiatry Physician. They hold the professional credentials MD. They hold a License No. 37722 (MA). The NPI Number for DR. WILLIAM ELLIS FALK (MD) is 1003807918

Main info

Male
Name
DR. WILLIAM ELLIS FALK (MD)
NPI
1003807918
Phone
(617) 724-5600
Address
PO BOX 9142
Enumeration Date
31 October 2005
Last Update Date
18 December 2012
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. WILLIAM ELLIS FALK (MD)

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

    MASS GENERAL PHYSICIAN ORGANIZATION

    CHARLESTOWN, MA 021299142

    Phone: (617) 724-5600

    Fax: (617) 726-2000

    Type: Mailing

  • 15, Parkman Street, Fields Corner, Dorchester, Boston, Suffolk County, Massachusetts, 02122, United States

    PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812

    BOSTON, MA 021143117

    Phone: (617) 726-5600

    Fax: (617) 726-7541

    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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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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Frequently asked questions

What is the 10-digit NPI for DR. WILLIAM ELLIS FALK (MD)?
DR. WILLIAM ELLIS FALK (MD) — NPI 1003807918 — is the standard way to identify this listing.
Does the file indicate DR. WILLIAM ELLIS FALK (MD) is practicing under active NPI?
Directory data currently reports DR. WILLIAM ELLIS FALK (MD) as active.
What is DR. WILLIAM ELLIS FALK (MD)'s primary classification?
Geriatric Psychiatry Physician is the headline specialty for DR. WILLIAM ELLIS FALK (MD) here. Clinical services aligned with this taxonomy classification.
Where should I expect DR. WILLIAM ELLIS FALK (MD) on a map?
Expect Charlestown, Massachusetts as a primary anchor for DR. WILLIAM ELLIS FALK (MD) unless the record lists multiple sites.
Why does DR. WILLIAM ELLIS FALK (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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