DR. TIMOTHY GREGG FERRIS (MD) – Internal Medicine Physician, NPI 1447240189

DR. TIMOTHY GREGG FERRIS (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. 151323 (MA). The NPI Number for DR. TIMOTHY GREGG FERRIS (MD) is 1447240189

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
DR. TIMOTHY GREGG FERRIS (MD)
NPI
1447240189
Phone
(617) 726-3456
Address
PO BOX 9142
Enumeration Date
25 October 2005
Last Update Date
30 April 2014

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
6177262000
Graduation Year
1992 (34 years ago)
PAC ID
9537250360
Group Practice PAC ID
6507803806
Professional Enrollment ID
I20071220000078
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. TIMOTHY GREGG FERRIS (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) 726-3456

    Fax: (617) 724-9666

    Type: Mailing

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

    WANG 616

    BOSTON, MA 021143117

    Phone: (617) 726-3456

    Fax: (617) 724-9666

    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.

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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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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: 6507803806View full group profile
NameSpecialtyState
G A S T R O E N T E R O L O G YMA
Internal MedicineMA
-MA
-MA
Anesthesiology, Pain ManagementMA
-MA
Clinical PsychologistMA
Internal MedicineMA
Internal MedicineMA
-MA

Reviews

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Frequently asked questions

What federal number belongs to DR. TIMOTHY GREGG FERRIS (MD)?
The federal identifier for DR. TIMOTHY GREGG FERRIS (MD) is NPI 1447240189.
Is DR. TIMOTHY GREGG FERRIS (MD) active in the national directory?
DR. TIMOTHY GREGG FERRIS (MD)'s public NPI profile is in an active state.
Can you summarize DR. TIMOTHY GREGG FERRIS (MD)'s specialty in plain language?
Clinically, the directory lists DR. TIMOTHY GREGG FERRIS (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. TIMOTHY GREGG FERRIS (MD)?
The snapshot lists Charlestown, Massachusetts for DR. TIMOTHY GREGG FERRIS (MD); download NPPES for the complete set.
Is DR. TIMOTHY GREGG FERRIS (MD) a real provider?
This page reflects official NPPES data for NPI 1447240189. Always confirm identity and privileges with the practice and licensing boards.

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