John Charles Dieck, D.O.
Anesthesiology Physician · Waterbury, CT
John Charles Dieck, D.O. is an anesthesiology physician with a practice address in Waterbury, Connecticut, and NPI 1205899226, issued on Apr 10, 2006. Check the license (Connecticut 000505, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Charles Dieck
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 000505 CT
Self-reported in NPPES; status is on the state search - Practice location
- 140 Grandview Ave, Waterbury, CT 06708
- Phone
- (203) 757-7000
- Enumerated
- Apr 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041018000104); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 797 in Connecticut → Look up another NPI →
Also registered at 140 Grandview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louis Alosco, M.DAnesthesiology Physician1174570246
- Angela AndersonCertified Registered Nurse Anesthetist1568554277
- Lydia Aoun-Barakat, MDInfectious Disease Physician1033183355
- Girvice Archer, M.DAnesthesiology Physician1023058724
- Steven Aronin, MDInfectious Disease Physician1164495875
- Elisa Benzoni, DOObstetrics & Gynecology Physician1679581847
Verify John Charles Dieck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 000505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $22.11
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 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.
Bills Medicare through one group practice
- Nuvance Health Medical Practice CT IncNew Milford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Charles Dieck among 797 anesthesiology physician records in Connecticut
John Charles Dieck, D.O. is one of 797 anesthesiology physician records with a practice address in Connecticut. 76% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 54% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1991 · median 2006 among the 550 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 anesthesiology physician records list a practice address in Waterbury
They are 32 of the 3,148 NPPES records with a practice address in Waterbury, and 797 anesthesiology physician records in Connecticut.
All 797 in Connecticut → Every provider in Waterbury → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Louis Alosco, M.DWaterbury, CT 067081174570246
- Girvice Archer, M.DWaterbury, CT 067081023058724
- Christopher Bottino, M.DWaterbury, CT 067081144260290
- Raymond Clement, M.DWaterbury, CT 067081114974078
- Salvatore Ferrante, M.DWaterbury, CT 067081720028715
- Gregory Fiasconaro, M.DWaterbury, CT 067081972559201
- Paul Heller, M.D.Waterbury, CT 067081811970387
- Juliana Kang, M.DWaterbury, CT 067081982651873
Common questions
What is John Charles Dieck, D.O.'s NPI number?
John Charles Dieck, D.O.'s National Provider Identifier (NPI) is 1205899226, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Dieck, D.O. located?
The NPPES record lists a practice address at 140 Grandview Ave, Waterbury, CT, 06708. Phone: (203) 757-7000. Providers update this record themselves, so call before visiting.
How can I verify John Charles Dieck, D.O.'s license?
NPPES lists Connecticut license number 000505, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.