John Patrick Ahler, D.D.S.
Dentist · Rensselaer, IN
John Patrick Ahler, D.D.S. is a dentist with a practice address in Rensselaer, Indiana, and NPI 1346291804, issued on May 12, 2006. Check the license (Indiana 9944, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Patrick Ahler
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 9944 IN
Self-reported in NPPES; status is on the state search - Practice location
- 331 E Amsler RD, Rensselaer, IN 47978
- Phone
- (219) 866-7117
- Enumerated
- May 12, 2006
- Record last updated
- Oct 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (219) 866-8658
- Medicaid ID
- 200201620A IN
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,582 in Indiana → Look up another NPI →
Also registered at 331 E Amsler RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Adams, DMDGeneral Practice Dentistry1538095260
Verify John Patrick Ahler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 9944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average dentist in 2024
222 Medicare Part D claims for 101 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Amoxicillin132 claims
- Clindamycin Hcl30 claims
- Hydrocodone-Acetaminophen19 claims
- Chlorhexidine Gluconate16 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: $2,320.62
2 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 31,974 providers of this specialty with any payment received $540.36 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 Patrick Ahler among 1,582 dentist records in Indiana
John Patrick Ahler, D.D.S. is one of 1,582 dentist records with a practice address in Indiana. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 78% 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 updated2011 · 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 dentist records list a practice address in Rensselaer
They are 4 of the 116 NPPES records with a practice address in Rensselaer, and 1,582 dentist records in Indiana.
All 1,582 in Indiana → Every provider in Rensselaer → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jordan Balvich, D.M.D.Rensselaer, IN 479781336364025
- Gordon BausmanRensselaer, IN 479781679710107
- Anne Sy, DDSRensselaer, IN 479781548578495
- Thomas Hadley, D.D.S.Monticello, IN 479601437210705
- Scott Lutz, DDSMonticello, IN 479601548480593
- Brandon Nguyen, DDSMonticello, IN 479601558081935
- Lucas Trout, DDSMonticello, IN 479601104440296
- Melinda BodineKentland, IN 479511639581507
Common questions
What is John Patrick Ahler, D.D.S.'s NPI number?
John Patrick Ahler, D.D.S.'s National Provider Identifier (NPI) is 1346291804, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Patrick Ahler, D.D.S. located?
The NPPES record lists a practice address at 331 E Amsler RD, Rensselaer, IN, 47978. Phone: (219) 866-7117. Providers update this record themselves, so call before visiting.
How can I verify John Patrick Ahler, D.D.S.'s license?
NPPES lists Indiana license number 9944, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does John Patrick Ahler, D.D.S. prescribe under Medicare Part D?
In 2024, John Patrick Ahler, D.D.S. had 222 Medicare Part D claims for 101 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.