John Joseph Ahern, D.D.S.
General Practice Dentistry · Exeter, NH
John Joseph Ahern, D.D.S. is a general practice dentistry with a practice address in Exeter, New Hampshire, and NPI 1821175738, issued on Nov 1, 2006. Check the license (New Hampshire 2017, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Joseph Ahern
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2017 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hampton RD Unit 305, Exeter, NH 03833
- Phone
- (603) 583-4533
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (603) 583-4507
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 562 in New Hampshire → Look up another NPI →
Also registered at 1 Hampton RD Unit 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Ahern, DMDGeneral Practice Dentistry1003337288
- Matthew Heimbach, D.M.D.General Practice Dentistry1730258641
Verify John Joseph Ahern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 2017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average general practice dentistry in 2024
35 Medicare Part D claims for 28 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin16 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.
Industry payments in 2024: $162.06
9 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Joseph Ahern among 562 general practice dentistry records in New Hampshire
John Joseph Ahern, D.D.S. is one of 562 general practice dentistry records with a practice address in New Hampshire. 57% 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, 58% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2019 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 general practice dentistry records list a practice address in Exeter
They are 17 of the 704 NPPES records with a practice address in Exeter, and 562 general practice dentistry records in New Hampshire.
All 562 in New Hampshire → Every provider in Exeter → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Deepa Ananthanarayanan, D.M.D.Exeter, NH 038331508805425
- Meaghan Collamore, D.M.D.Exeter, NH 038331609137256
- Mark Dibona, DDSExeter, NH 038331073722195
- Elizabeth Dibona, D.M.D.Exeter, NH 038331497911408
- Richard DumasExeter, NH 038331447287255
- Glen Gordon, DMDExeter, NH 038331992885206
- Matthew Heimbach, D.M.D.Exeter, NH 038331730258641
- Brenda Jennings, DDSExeter, NH 038331073572418
Common questions
What is John Joseph Ahern, D.D.S.'s NPI number?
John Joseph Ahern, D.D.S.'s National Provider Identifier (NPI) is 1821175738, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Ahern, D.D.S. located?
The NPPES record lists a practice address at 1 Hampton RD Unit 305, Exeter, NH, 03833. Phone: (603) 583-4533. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Ahern, D.D.S.'s license?
NPPES lists New Hampshire license number 2017, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does John Joseph Ahern, D.D.S. prescribe under Medicare Part D?
In 2024, John Joseph Ahern, D.D.S. had 35 Medicare Part D claims for 28 beneficiaries; the average among general practice dentistry prescribers was 83. 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.