NPPES file of Aug 9, 2026

Mark Mast, DMD

Dentist · Ephrata, PA

Mark Mast, DMD is a dentist with a practice address in Ephrata, Pennsylvania, and NPI 1700446044, issued on Jun 18, 2019. Check the license (Pennsylvania DS042232, 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
1700446044
Name
Mark Mast
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
DS042232 PA
Self-reported in NPPES; status is on the state search
Practice location
1261 Division Hwy, Ephrata, PA 17522
Phone
(717) 738-1353
Enumerated
Jun 18, 2019
Record last updated
Dec 2, 2022
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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Also registered at 1261 Division Hwy

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

  1. Corey McNear, DMDGeneral Practice Dentistry1609227867
  2. Geoffrey Nolt, D.M.DGeneral Practice Dentistry1215943477
  3. Marvin Nolt, D.D.SGeneral Practice Dentistry1932115193

Verify Mark Mast 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 DS042232
    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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16% fewer Medicare Part D claims than the average dentist in 2024

72 Medicare Part D claims for 38 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. Mark Mast72
  2. Specialty average86

Most prescribed

  1. Denta 5000 Plus14 claims
  2. Sodium Fluoride Sensitive13 claims
  3. Amoxicillin12 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.

Mark Mast among 3,339 dentist records in Pennsylvania

Mark Mast, DMD 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 2019, is newer than 78% of them.

  • NPI issued2019 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2022 · 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. Michael Cohen, D.D.S.Ephrata, PA 175221588052716
  2. Alexandra CologerEphrata, PA 175221679264949
  3. Jeffrey Dever, D.M.D.Ephrata, PA 175221366454035
  4. Ofori Oware, DMDEphrata, PA 175221891311494
  5. Man Yee Chan, D.M.D.Gap, PA 175271265741177
  6. John Peterman, DMDConestoga, PA 175161295140242
  7. Owen Allison, DMDColumbia, PA 175121215010012
  8. Vincent Heaps, D.D.S.Columbia, PA 175121497771042

Common questions

What is Mark Mast, DMD's NPI number?

Mark Mast, DMD's National Provider Identifier (NPI) is 1700446044, issued on Jun 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mark Mast, DMD located?

The NPPES record lists a practice address at 1261 Division Hwy, Ephrata, PA, 17522. Phone: (717) 738-1353. Providers update this record themselves, so call before visiting.

How can I verify Mark Mast, DMD's license?

NPPES lists Pennsylvania license number DS042232, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Mast, DMD prescribe under Medicare Part D?

In 2024, Mark Mast, DMD had 72 Medicare Part D claims for 38 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.