Michael P. Demarkles, MD
Gastroenterology Physician · Beverly, MA
Michael P. Demarkles, MD is a gastroenterology physician with a practice address in Beverly, Massachusetts, and NPI 1376578534, issued on Jul 12, 2006. Check the license (Massachusetts 56951, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Michael P. Demarkles
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 56951 MA
Self-reported in NPPES; status is on the state search - Practice location
- 12 Yankee Way, Beverly, MA 01915
- Phone
- (978) 921-1908
- Enumerated
- Jul 12, 2006
- Record last updated
- Feb 3, 2024
- Medicaid ID
- 2019108 MA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Verify Michael P. Demarkles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 56951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Michael P. Demarkles among 686 gastroenterology physician records in Massachusetts
Michael P. Demarkles, MD is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileNo · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 686 in Massachusetts → Every provider in Beverly → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Aaronson, MDBeverly, MA 019151366547739
- Rosa Bui, M.D.Beverly, MA 019151336535962
- Richard Einhorn, MDBeverly, MA 019151639104896
- Martin Hahn, M.D.Beverly, MA 019151770698730
- Seth Homer, M.D.Beverly, MA 019151598993735
- Maria LonshteynBeverly, MA 019151720247653
- Lawrence Murphy, M.D.Beverly, MA 019151902126238
- Michael Newman, M.D.Beverly, MA 019151487704276
Common questions
What is Michael P. Demarkles, MD's NPI number?
Michael P. Demarkles, MD's National Provider Identifier (NPI) is 1376578534, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael P. Demarkles, MD located?
The NPPES record lists a practice address at 12 Yankee Way, Beverly, MA, 01915. Phone: (978) 921-1908. Providers update this record themselves, so call before visiting.
How can I verify Michael P. Demarkles, MD's license?
NPPES lists Massachusetts license number 56951, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.