NPPES file of Aug 9, 2026

Jon C. Older, DO

Internal Medicine Physician · Houlton, ME

Jon C. Older, DO is an internal medicine physician with a practice address in Houlton, Maine, and NPI 1073582128, issued on Mar 14, 2006. Check the license (Maine DO1652, 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
1073582128
Name
Jon C. Older
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO1652 ME
Self-reported in NPPES; status is on the state search
Practice location
20 Hartford St, Houlton, ME 04730
Phone
(207) 532-2900
Enumerated
Mar 14, 2006
Record last updated
May 4, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(207) 532-5974
Medicaid ID
323250099 ME
Medicare enrollment
Enrolled (PECOS I20050906000055); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 1996
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 20 Hartford St

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

  1. Shahriar Anoushfar, D.O.Surgery Physician1841258365
  2. Kathryn Berry, PT, DPTPhysical Therapist1427655638
  3. Rahila Bilal, MDAnesthesiology Physician1689720120
  4. John Bohannon, MDFamily Medicine Physician1598838278
  5. Jennifer CavalariFamily Medicine Physician1215340617
  6. Chelsea Delucca, PHARMDPharmacist1609727387

Verify Jon C. Older 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 DO1652
    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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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

198 Medicare Part D claims for 60 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Jon Older198
  2. Specialty average3,176

Most prescribed

  1. Cefdinir19 claims
  2. Doxycycline Monohydrate19 claims
  3. Olanzapine12 claims
  4. Prednisone11 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.

2 hospital affiliations

  1. Houlton Regional HospitalHoulton, ME · Critical Access Hospitals3 of 5 stars
  2. Mount Desert Island HospitalBar Harbor, ME · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jon C. Older among 597 internal medicine physician records in Maine

Jon C. Older, DO 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
  • Graduated1996 · median 2005 among the 369 with a school on file
  • Record last updated2017 · 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).

7 internal medicine physician records list a practice address in Houlton

They are 7 of the 258 NPPES records with a practice address in Houlton, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hassan Abouleish, MDHoulton, ME 047301255300307
  2. Claude Boma, M.D.Houlton, ME 047301386612372
  3. Owen Igbinosa, MDHoulton, ME 047301588168702
  4. Solomon Olabiyi, MDHoulton, ME 047301366734170
  5. Larry Sokolic, MDHoulton, ME 047301265559785
  6. Ted Sussman, MDHoulton, ME 047301679542708
  7. Yonas Ateshim, M.D.Caribou, ME 047361538476916
  8. John Bouchard, M.D.Caribou, ME 047361447228010

Common questions

What is Jon C. Older, DO's NPI number?

Jon C. Older, DO's National Provider Identifier (NPI) is 1073582128, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jon C. Older, DO located?

The NPPES record lists a practice address at 20 Hartford St, Houlton, ME, 04730. Phone: (207) 532-2900. Providers update this record themselves, so call before visiting.

How can I verify Jon C. Older, DO's license?

NPPES lists Maine license number DO1652, 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 Jon C. Older, DO prescribe under Medicare Part D?

In 2024, Jon C. Older, DO had 198 Medicare Part D claims for 60 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.