NPPES file of Aug 9, 2026

Cynthia A. Atkinson, MD

Internal Medicine Physician · Portland, ME

Cynthia A. Atkinson, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1487753125, issued on Sep 21, 2006. Check the license (Maine MD17247, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487753125
Name
Cynthia A. Atkinson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD17247 ME
Self-reported in NPPES; status is on the state search
Practice location
84 Marginal Way, Portland, ME 04101
Phone
(207) 774-5816
Enumerated
Sep 21, 2006
Record last updated
Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(207) 523-8597
Medicare enrollment
Enrolled (PECOS I20061122000365); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 84 Marginal Way

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

  1. Ann Adams, MDObstetrics & Gynecology Physician1902865025
  2. Carol Altman, MDObstetrics & Gynecology Physician1285693309
  3. Douglas Barr, MDInternal Medicine Physician1134180359
  4. Timothy Baum, MDInternal Medicine Physician1922077601
  5. Michelle Belyea, PNPNurse Practitioner1114996808
  6. Christine Bennett, MDPediatrics Physician1811956931

Verify Cynthia A. Atkinson 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 MD17247
    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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34% more Medicare Part D claims than the average internal medicine physician in 2024

4,257 Medicare Part D claims for 395 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 67 claims were for opioids.

  1. Cynthia Atkinson4,257
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium367 claims
  2. Levothyroxine Sodium298 claims
  3. Lisinopril237 claims
  4. Amlodipine Besylate189 claims
  5. Losartan Potassium168 claims
  6. Hydrochlorothiazide137 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Cynthia A. Atkinson among 597 internal medicine physician records in Maine

Cynthia A. Atkinson, MD 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 44% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1993 · median 2005 among the 369 with a school on file
  • Record last updated2020 · 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.

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 Cynthia A. Atkinson, MD's NPI number?

Cynthia A. Atkinson, MD's National Provider Identifier (NPI) is 1487753125, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia A. Atkinson, MD located?

The NPPES record lists a practice address at 84 Marginal Way, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.

How can I verify Cynthia A. Atkinson, MD's license?

NPPES lists Maine license number MD17247, 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.

How much does Cynthia A. Atkinson, MD prescribe under Medicare Part D?

In 2024, Cynthia A. Atkinson, MD had 4,257 Medicare Part D claims for 395 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.