John Joseph Hillgen, D.M.D.
Oral and Maxillofacial Surgery (Dentist) · Waterbury, CT
John Joseph Hillgen, D.M.D. is an oral and maxillofacial surgery (dentist) with a practice address in Waterbury, Connecticut, and NPI 1538193370, issued on Jul 10, 2006. Check the license (Connecticut 8138, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Joseph Hillgen
- Credential
- D.M.D.
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 8138 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1389 W Main St, Waterbury, CT 06708
- Phone
- (203) 573-1427
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 574-2460
- Medicare enrollment
- Enrolled (PECOS I20071018000661); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 123 in Connecticut → Look up another NPI →
Also registered at 1389 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Aspenwind, LPCProfessional Counselor1376898676
- Jodie BeauchampPediatric Physical Therapist1336339001
- Amy BlaisPediatric Physical Therapist1619173382
- Sharon BrownPediatric Physical Therapist1467642132
- Geraldine CampbellPediatric Occupational Therapist1740470400
- Arabella Christian, D.M.D.Endodontics1548682446
Verify John Joseph Hillgen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8138Check 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 oral and maxillofacial surgery (dentist) in 2024
1,042 Medicare Part D claims for 488 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 139 claims were for opioids.
Most prescribed
- Amoxicillin430 claims
- Ibuprofen250 claims
- Chlorhexidine Gluconate72 claims
- Azithromycin56 claims
- Hydrocodone-Acetaminophen53 claims
- Acetaminophen-Codeine51 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: $131.32
2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 4,075 providers of this specialty with any payment received $1,077.58 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 Hillgen among 123 oral and maxillofacial surgery (dentist) records in Connecticut
John Joseph Hillgen, D.M.D. is one of 123 oral and maxillofacial surgery (dentist) records with a practice address in Connecticut. 64% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 41% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 13% of these records are
- Graduated1995 · median 2001 among the 16 with a school on file
- Record last updated2008 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Connecticut
There are 123 oral and maxillofacial surgery (dentist) records in Connecticut.
All 123 in Connecticut → Every provider in Waterbury → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Edward Karban, D.M.D.Waterbury, CT 067081770516452
- Andrew Keene, DMDWaterbury, CT 067081508951468
- Lee McNeish, DMDWaterbury, CT 067081225010036
- Rools Dessieux, DDSWaterbury, CT 067061700936580
- Michael Matzkin, DDSWaterbury, CT 067061760430250
- James Lee, D.D.S.Bethlehem, CT 067511952600595
- Avram Berger, D.D.S.Torrington, CT 067901063400273
- Thomas McKeon, D.M.D.Torrington, CT 067901174664403
Common questions
What is John Joseph Hillgen, D.M.D.'s NPI number?
John Joseph Hillgen, D.M.D.'s National Provider Identifier (NPI) is 1538193370, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Hillgen, D.M.D. located?
The NPPES record lists a practice address at 1389 W Main St, Waterbury, CT, 06708. Phone: (203) 573-1427. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Hillgen, D.M.D.'s license?
NPPES lists Connecticut license number 8138, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does John Joseph Hillgen, D.M.D. prescribe under Medicare Part D?
In 2024, John Joseph Hillgen, D.M.D. had 1,042 Medicare Part D claims for 488 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.