NPPES file of Aug 9, 2026

John Loudermilk, DDS

Dentist · Portsmouth, OH

John Loudermilk, DDS is a dentist with a practice address in Portsmouth, Ohio, and NPI 1215128715, issued on Aug 8, 2007. Check the license with the Ohio 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
1215128715
Name
John Loudermilk
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
12009772A IN
Self-reported in NPPES; status is on the state search
Practice location
621 Broadway St, Portsmouth, OH 45662
Phone
(740) 941-4011
Enumerated
Aug 8, 2007
Record last updated
Apr 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(740) 961-4010
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 621 Broadway St

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

  1. Anthony Arnett, CNPNurse Practitioner1295177194
  2. Sarath Bachali, DMDGeneral Practice Dentistry1487942777
  3. Carolyn Berry-Pettit, CNSWomen's Health Clinical Nurse Specialist1083669733
  4. Elsayed ElmasryGeneral Practice Dentistry1467344697
  5. Rebecca Shonkwiler, FNP-BCFamily Nurse Practitioner1851186597

Verify John Loudermilk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this professionCheck 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 Ohio 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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4.1 times the Medicare Part D claims of the average dentist in 2024

350 Medicare Part D claims for 152 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Loudermilk350
  2. Specialty average86

Most prescribed

  1. Amoxicillin252 claims
  2. Clindamycin Hcl58 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.

John Loudermilk among 2,780 dentist records in Ohio

John Loudermilk, DDS is one of 2,780 dentist records with a practice address in Ohio. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.

  • NPI issued2007 · 24% of these records are older, 58% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2019 · 70% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Ohio

There are 2,780 dentist records in Ohio.

The 8 dentist records with the nearest ZIP codes

  1. Jerry Burleson, D.D.S.Portsmouth, OH 456621104941541
  2. John Farley, DDSPortsmouth, OH 456621427285980
  3. Frederick Gohmann, DDSPortsmouth, OH 456621568555464
  4. Amy Heim, D.D.S.Portsmouth, OH 456621205279833
  5. James Kadel, D.D.S.Portsmouth, OH 456621104188465
  6. George Long, D.D.S.Portsmouth, OH 456621780897835
  7. David Mays, D.D.S.Portsmouth, OH 456621295948321
  8. Howard McCleese, DDSPortsmouth, OH 456621043347271

Common questions

What is John Loudermilk, DDS's NPI number?

John Loudermilk, DDS's National Provider Identifier (NPI) is 1215128715, issued on Aug 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Loudermilk, DDS located?

The NPPES record lists a practice address at 621 Broadway St, Portsmouth, OH, 45662. Phone: (740) 941-4011. Providers update this record themselves, so call before visiting.

How can I verify John Loudermilk, DDS's license?

Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does John Loudermilk, DDS prescribe under Medicare Part D?

In 2024, John Loudermilk, DDS had 350 Medicare Part D claims for 152 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.