NPPES file of Aug 9, 2026

Thomas R. Ahlum, D.M.D.

Dentist · Danville, PA

Thomas R. Ahlum, D.M.D. is a dentist with a practice address in Danville, Pennsylvania, and NPI 1841264165, issued on Feb 14, 2006. Check the license (Pennsylvania DS025283L, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1841264165
Name
Thomas R. Ahlum
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
DS025283L PA
Self-reported in NPPES; status is on the state search
Practice location
100 N Academy Ave, Danville, PA 17822
Phone
(570) 271-6355
Enumerated
Feb 14, 2006
Record last updated
Aug 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
001279759 PA
Medicare enrollment
Enrolled (PECOS I20061027000410); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1986
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 100 N Academy Ave

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

  1. Paige AaronStudent in an Organized Health Care Education/Training Program1730976218
  2. Zainab AbdulhuseinGeneral Practice Dentistry1851108419
  3. Kristin AblineRegistered Nurse1174368757
  4. Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
  5. Dana Achenbach, PHARMDPharmacist1528612975
  6. Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512

Verify Thomas R. Ahlum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DS025283L
    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
Find the Pennsylvania license search

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5.7 times the Medicare Part D claims of the average dentist in 2024

488 Medicare Part D claims for 159 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Thomas Ahlum488
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate255 claims
  2. Sf 5000 Plus60 claims
  3. Sodium Fluoride 5000 Plus52 claims
  4. Denta 5000 Plus42 claims
  5. Sodium Fluoride30 claims
  6. Dentagel14 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. Geisinger ClinicDanville, PA

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

Thomas R. Ahlum among 3,339 dentist records in Pennsylvania

Thomas R. Ahlum, D.M.D. is one of 3,339 dentist records with a practice address in Pennsylvania. 63% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 74% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 1% of these records are
  • Graduated1986 · median 2016 among the 34 with a school on file
  • Record last updated2020 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Pennsylvania

There are 3,339 dentist records in Pennsylvania.

The 8 dentist records with the nearest ZIP codes

  1. John Button, DMD, MOPHDanville, PA 178221447189956
  2. Michael Halupa, D.D.S.Danville, PA 178221831168418
  3. James MosesDanville, PA 178221073752945
  4. Leah Popp, D.D.S.Danville, PA 178221346691433
  5. Kristen Schintz, DMDDanville, PA 178221992885198
  6. Robert Seebold, D.D.S.Danville, PA 178221124085261
  7. Eileen Studders, DMDDanville, PA 178221205901147
  8. J WrightDanville, PA 178221770102816

Common questions

What is Thomas R. Ahlum, D.M.D.'s NPI number?

Thomas R. Ahlum, D.M.D.'s National Provider Identifier (NPI) is 1841264165, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas R. Ahlum, D.M.D. located?

The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6355. Providers update this record themselves, so call before visiting.

How can I verify Thomas R. Ahlum, D.M.D.'s license?

NPPES lists Pennsylvania license number DS025283L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas R. Ahlum, D.M.D. prescribe under Medicare Part D?

In 2024, Thomas R. Ahlum, D.M.D. had 488 Medicare Part D claims for 159 beneficiaries; the average among dentist prescribers was 86. 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.