NPPES file of Aug 9, 2026

Agnes Herceg, DDS

Endodontics · Stamford, CT

Agnes Herceg, DDS is an endodontics with a practice address in Stamford, Connecticut, and NPI 1821201377, issued on May 8, 2007. Check the license (Connecticut 008624, as entered in NPPES) with the Connecticut 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
1821201377
Name
Agnes Herceg
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License number
008624 CT
Self-reported in NPPES; status is on the state search
Practice location
44 Strawberry Hill Ave, Stamford, CT 06902
Phone
(203) 324-9239
Enumerated
May 8, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(203) 324-2372
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 44 Strawberry Hill Ave

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

  1. Anna Fromzel, D.D.S.Dental Hygienist1457475311
  2. Bozena Kierski, DDSGeneral Practice Dentistry1962495077
  3. Michael Lazarus, DMDGeneral Practice Dentistry1598889453
  4. Yunsang Park, D.D.S.General Practice Dentistry1932401841
  5. Allen Rosenthal, DDSEndodontics1568675205
  6. Guita Sazan, PHDPsychologist1255492112

Verify Agnes Herceg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 008624
    Check 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 Connecticut 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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Industry payments in 2024: $230.35

2 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Agnes Herceg$230
  2. Specialty average$49,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Agnes Herceg among 92 endodontics records in Connecticut

Agnes Herceg, DDS is one of 92 endodontics records with a practice address in Connecticut. 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 29% of them.

  • NPI issued2007 · 29% of these records are older, 39% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Connecticut

There are 92 endodontics records in Connecticut.

The 8 endodontics records with the nearest ZIP codes

  1. Philip Bauer, D.M.D.Stamford, CT 069021407186901
  2. Allen Rosenthal, DDSStamford, CT 069021568675205
  3. Joseph Defilippo, DDSStamford, CT 069051689757064
  4. Jessica Hwang, DDSStamford, CT 069051326741125
  5. Thomas Manders, DDSStamford, CT 069051023162161
  6. Irene Wong, DDSStamford, CT 069051043364102
  7. Ivan Nedeltchev, DDSRidgefield, CT 068771871742643
  8. Robert Indyk, D.M.D.Norwalk, CT 068511992763072

Common questions

What is Agnes Herceg, DDS's NPI number?

Agnes Herceg, DDS's National Provider Identifier (NPI) is 1821201377, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Agnes Herceg, DDS located?

The NPPES record lists a practice address at 44 Strawberry Hill Ave, Stamford, CT, 06902. Phone: (203) 324-9239. Providers update this record themselves, so call before visiting.

How can I verify Agnes Herceg, DDS's license?

NPPES lists Connecticut license number 008624, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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.