NPPES file of Aug 9, 2026

Michael Lewis Shuman, M.D.

Internal Medicine Physician · Portland, ME

Michael Lewis Shuman, M.D. is an internal medicine physician with a practice address in Portland, Maine, and NPI 1912971474, issued on Feb 13, 2006. Check the license (Maine ME 006809, as entered in NPPES) on the Maine Board of Licensure in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912971474
Name
Michael Lewis Shuman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
ME 006809 ME
Self-reported in NPPES; status is on the state search
Practice location
15 Mellen St, Portland, ME 04101
Phone
(207) 774-3835
Enumerated
Feb 13, 2006
Record last updated
May 12, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(207) 774-2176
Medicaid ID
111200000 ME
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →

Also registered at 15 Mellen St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Franklin Brooks, PH.D., LCSWClinical Social Worker1437186103
  2. Kimberly Coville, LCSWMental Health Counselor1538298393

Verify Michael Lewis Shuman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license ME 006809    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

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Michael Lewis Shuman among 597 internal medicine physician records in Maine

Michael Lewis Shuman, M.D. is one of 597 internal medicine physician records with a practice address in Maine. 77% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 44% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2009 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

145 internal medicine physician records list a practice address in Portland

They are 145 of the 6,022 NPPES records with a practice address in Portland, and 597 internal medicine physician records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 597 in Maine → Every provider in Portland → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joel Botler, MDPortland, ME 041011891764577
  2. Charles Cathcart, MDPortland, ME 041011861461535
  3. Wendy Cathcart, MDPortland, ME 041011295704971
  4. Thomas Claffey, MDPortland, ME 041011487623153
  5. Steven Dobieski, MDPortland, ME 041011942279617
  6. John Erickson, MDPortland, ME 041011043289713
  7. Debra Fuchs Ertman, MDPortland, ME 041011730158403
  8. Phyllidia Ku-Ruth, MDPortland, ME 041011497724108

Common questions

What is Michael Lewis Shuman, M.D.'s NPI number?

Michael Lewis Shuman, M.D.'s National Provider Identifier (NPI) is 1912971474, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Lewis Shuman, M.D. located?

The NPPES record lists a practice address at 15 Mellen St, Portland, ME, 04101. Phone: (207) 774-3835. Providers update this record themselves, so call before visiting.

How can I verify Michael Lewis Shuman, M.D.'s license?

NPPES lists Maine license number ME 006809, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.