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Edit this profileAt a glance
- 29 Lewis Ave, Great Barrington, MA 01230
About Dr. Demarco
William Demarco, DO practices internal medicine in Great Barrington, MA. William is a 1984 graduate of University of New England, College of Osteo Medicine. The provider's National Provider Identifier (NPI) is 1124103577.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (413) 496-6820
- Email not available
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Practice Locations
29 LEWIS AVE
Great Barrington, MA 01230
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other internists in Great Barrington 5
Same specialty, same city.
Trained at University of New England, College of Osteo Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at University of New England, College of Osteo Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Demarco specialize in?
Dr. Demarco is an internist in Great Barrington, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Dr. Demarco located?
Dr. Demarco is listed at 29 Lewis Ave, Great Barrington, MA 01230. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Demarco's phone number?
The number on file is (413) 496-6820. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Demarco?
Dr. Demarco's National Provider Identifier is 1124103577. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Demarco go to medical school?
Dr. Demarco attended University of New England, College of Osteo Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Demarco have?
Dr. Demarco has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Demarco's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Demarco. If this is you, claiming it is free.
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