Physician Profile
John Erkkinen, M.D.
Unclaimed ProfileAbout Dr. Erkkinen
No biography has been added yet. Is this you? Claim this profile to add one.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (207) 773-7964
- Email not available
Practice Locations
161 MARGINAL WAY
Portland, ME 04101
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 gastroenterologists at this location 8
Same specialty, same street address — most likely the same department or group.
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.
Other gastroenterologists in Portland 3
Same specialty, same city.
Common questions
What kind of doctor is John Erkkinen?
John Erkkinen is a gastroenterologist in Portland, ME. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is John Erkkinen's address?
John Erkkinen is listed at 161 Marginal Way, Portland, ME 04101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John Erkkinen?
The number on file is (207) 773-7964. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John Erkkinen's NPI number?
John Erkkinen's National Provider Identifier is 1154429918. 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
How long has John Erkkinen been practicing?
John Erkkinen has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has John Erkkinen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Erkkinen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.