NPPES file of Aug 9, 2026

Dian Stoychev Ivanov, MD

Emergency Medicine Physician · Hartford, CT

Dian Stoychev Ivanov, MD is an emergency medicine physician with a practice address in Hartford, Connecticut, and NPI 1194309260, issued on May 5, 2021. Check the license (Connecticut 84572, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1194309260
Name
Dian Stoychev Ivanov
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
84572 CT
Self-reported in NPPES; status is on the state search
Practice location
80 Seymour St, Hartford, CT 06102
Phone
(860) 972-0000
Enumerated
May 5, 2021
Record last updated
Jul 17, 2026
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 80 Seymour St

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

  1. Gazang Abdulla, PA-CPhysician Assistant1396566956
  2. Evelyn Abernathy, M.D.Anatomic Pathology & Clinical Pathology Physician1982680195
  3. Rimanatou Adamou-DodoFamily Nurse Practitioner1588532980
  4. Hassana Addai-Boateng, MDInternal Medicine Physician1477226777
  5. Santosh Adhikari, MDHospitalist Physician1487331450
  6. Matthew AgsaludStudent in an Organized Health Care Education/Training Program1053025676

Verify Dian Stoychev Ivanov in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 84572
    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
Open 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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88% fewer Medicare Part D claims than the average emergency medicine physician in 2024

27 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dian Ivanov27
  2. Specialty average226

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.

Dian Stoychev Ivanov among 846 emergency medicine physician records in Connecticut

Dian Stoychev Ivanov, MD is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 4% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

119 emergency medicine physician records list a practice address in Hartford

They are 119 of the 6,317 NPPES records with a practice address in Hartford, and 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Lincoln Abbott, MDHartford, CT 061021518965433
  2. Harry Arters, DOHartford, CT 061021649253725
  3. Stanley Chartoff, M.D.Hartford, CT 061021184605198
  4. Joao Delgado, MDHartford, CT 061021457359523
  5. Michael Drescher, M.D.Hartford, CT 061021295869113
  6. Susan Dufel, M.D.Hartford, CT 061021467584185
  7. Rockman Ferrigno, MDHartford, CT 061021497774228
  8. Jeffrey Finkelstein, MDHartford, CT 061021245281914

Common questions

What is Dian Stoychev Ivanov, MD's NPI number?

Dian Stoychev Ivanov, MD's National Provider Identifier (NPI) is 1194309260, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Dian Stoychev Ivanov, MD located?

The NPPES record lists a practice address at 80 Seymour St, Hartford, CT, 06102. Phone: (860) 972-0000. Providers update this record themselves, so call before visiting.

How can I verify Dian Stoychev Ivanov, MD's license?

NPPES lists Connecticut license number 84572, 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.

How much does Dian Stoychev Ivanov, MD prescribe under Medicare Part D?

In 2024, Dian Stoychev Ivanov, MD had 27 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.