NPPES file of Aug 9, 2026

Thomas Chege Macharia, MD

Internal Medicine Physician · Presque Isle, ME

Thomas Chege Macharia, MD is an internal medicine physician with a practice address in Presque Isle, Maine, and NPI 1881853919, issued on Jun 4, 2008. Check the license (Maine MD19963, 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
1881853919
Name
Thomas Chege Macharia
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD19963 ME
Self-reported in NPPES; status is on the state search
Practice location
23 North St, Presque Isle, ME 04769
Phone
(207) 764-3142
Enumerated
Jun 4, 2008
Record last updated
Feb 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140506000053); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 23 North St

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

  1. Olivia Beaulieu, FNP-CFamily Nurse Practitioner1831715796
  2. Heather Bresett, CNPFamily Nurse Practitioner1184025462
  3. Kayla Caron, FNPFamily Nurse Practitioner1033605829
  4. Heather Curran, FNPFamily Nurse Practitioner1760848352
  5. Rebecca DiasFamily Nurse Practitioner1487341921
  6. Corinne Fisher, FNPPediatric Nurse Practitioner1215713482

Verify Thomas Chege Macharia 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 MD19963
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 times the Medicare Part D claims of the average internal medicine physician in 2024

10,946 Medicare Part D claims for 691 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 245 claims were for opioids.

  1. Thomas Macharia10,946
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium550 claims
  2. Metoprolol Succinate407 claims
  3. Amlodipine Besylate406 claims
  4. Lisinopril387 claims
  5. Rosuvastatin Calcium315 claims
  6. Eliquis308 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.

Bills Medicare through one group practice

  1. The Aroostook Medical CenterPresque Isle, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Chege Macharia among 597 internal medicine physician records in Maine

Thomas Chege Macharia, 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 2008, is newer than 61% of them.

  • NPI issued2008 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · 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).

9 internal medicine physician records list a practice address in Presque Isle

They are 9 of the 439 NPPES records with a practice address in Presque Isle, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Osama Aziz, M.D.Presque Isle, ME 047691285826792
  2. Sherri Dumont, D.O.Presque Isle, ME 047691285602144
  3. Evgeny Kirsanov, M.D.Presque Isle, ME 047691053549295
  4. Neeti Pokharel, MDPresque Isle, ME 047691467723544
  5. Gurnoor SinghPresque Isle, ME 047691215563671
  6. Mridula Sood, MDPresque Isle, ME 047691699854117
  7. Justin White, MDPresque Isle, ME 047691952780165
  8. Stephen Wood, M.D.Presque Isle, ME 047691952338816

Common questions

What is Thomas Chege Macharia, MD's NPI number?

Thomas Chege Macharia, MD's National Provider Identifier (NPI) is 1881853919, issued on Jun 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Chege Macharia, MD located?

The NPPES record lists a practice address at 23 North St, Presque Isle, ME, 04769. Phone: (207) 764-3142. Providers update this record themselves, so call before visiting.

How can I verify Thomas Chege Macharia, MD's license?

NPPES lists Maine license number MD19963, 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 Thomas Chege Macharia, MD prescribe under Medicare Part D?

In 2024, Thomas Chege Macharia, MD had 10,946 Medicare Part D claims for 691 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.