HARTFORD RADIATION ONCOLOGY ASSOCIATES PC
NPI 1346236759
Radiology - Radiation Oncology in Hartford, CT

Q: What is Hartford Radiation Oncology Associates PC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since September 21, 2005

80 SEYMOUR ST, HARTFORD, CT 06106(860) 545-2803(860) 545-4002 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Jun 22, 2018 (2 updates tracked since 2018).

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About Hartford Radiation Oncology Associates Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HARTFORD RADIATION ONCOLOGY ASSOCIATES PC (NPI 1346236759) is a healthcare organization registered as a radiation oncology in Hartford, Connecticut and active in the NPI registry since September 2005. The organization lists Susan Kim, Treasurer, as its authorized official.

NPPES Registry Identity

NPI1346236759

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameHARTFORD RADIATION ONCOLOGY ASSOCIATES PC

Location Address80 SEYMOUR STHartford, CT 06106

Mailing AddressPo Box 1962Brattleboro, VT 05302-1962 · (770) 693-2622 · Fax (770) 693-5821

Phone(860) 545-2803

Fax(860) 545-4002

Organization SubpartNo

Authorized OfficialSusan KimTreasurer · (860) 972-2803

Enumeration DateSeptember 21, 2005

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

✔ NPI 1346236759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

80 SEYMOUR ST, Hartford, CT 06106

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Other Identifiers 1

Medicaid004065512CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hartford Radiation Oncology Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 15 clinicians reassign Medicare billing to Hartford Radiation Oncology Associates PC, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 13 within 10 miles. They are listed nearest first.

Clinicians, nearest first (15)

Adriana Blakaj, M.D., PH.D.

Radiation Oncology

NPI 1831584614

80 SEYMOUR ST
Hartford, CT 06106

(860) 972-2803

✔ PECOS✔ Accepts MedicareSame address

David Byun, MD

Radiation Oncology

NPI 1619409802

80 SEYMOUR ST
Hartford, CT 06106

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Susan Kim, M.D.

Radiation Oncology

NPI 1982697363

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Kenneth Leopold, M.D.

Radiation Oncology

NPI 1780678078

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Andrew Salner, M.D.

Radiation Oncology

NPI 1942292834

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-2803

✔ PECOSSame address

Stephen Hauser, M.D.

Radiation Oncology

NPI 1093709396

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Charles Rutter, M.D.

Radiation Oncology

NPI 1346532173

80 SEYMOUR ST HARTFORD HOSPITAL
Hartford, CT 06106

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Helaine Bertsch, MD

Radiation Oncology

NPI 1013909993

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-5702

✔ PECOS✔ Accepts MedicareSame address

Timothy Boyd, M.D.

Radiation Oncology

NPI 1003818725

80 SEYMOUR ST HARTFORD HOSPITAL THE GRAY CANCER CENTER
Hartford, CT 06102

(860) 545-2803

✔ PECOS✔ Accepts MedicareSame address

Emily Anstadt Lutz

Radiation Oncology

NPI 1295222784

85 RETREAT AVE
Hartford, CT 06106

(608) 972-2803

✔ PECOS✔ Accepts Medicare0.1 mi

Robert Dowsett, M.D.

Radiation Oncology

NPI 1093700643

80 SEYMOUR ST
Hartford, CT 06102

(860) 545-2803

✔ PECOS✔ Accepts Medicare0.1 mi

Joshua Doyle, MD, MS

Radiation Oncology

NPI 1306316625

80 SEYMOUR ST
Hartford, CT 06106

(860) 972-2803

✔ PECOS✔ Accepts Medicare0.1 mi

Juhi Purswani

Radiation Oncology

NPI 1740844042

HARTFORD RADIATION ONCOLOGY ASSOCIATES, PC 80 SEYMOUR STREET
Hartford, CT 06106

(914) 484-0120

✔ PECOS✔ Accepts Medicare0.8 mi

Ebenezer Asare, M.D.

Radiation Oncology

NPI 1285014795

55 SAYLES ST
Southbridge, MA 01550

(508) 765-6830

✔ PECOS✔ Accepts Medicare40 mi

Ahmed Chaudhary, M.D.

Radiation Oncology

NPI 1205145398

680 CENTRE ST
Brockton, MA 02302

(508) 941-7450

✔ PECOS✔ Accepts Medicare90 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hartford Radiation Oncology Associates PC's NPI number?

The NPI number for Hartford Radiation Oncology Associates PC is 1346236759. It was assigned to this organization in the NPPES registry on September 21, 2005.

Where is Hartford Radiation Oncology Associates PC located?

Hartford Radiation Oncology Associates PC is located at 80 Seymour St, Hartford, CT 06106. The listed phone number is (860) 545-2803.

What is Hartford Radiation Oncology Associates PC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Hartford Radiation Oncology Associates PC enrolled in Medicare?

Yes. Hartford Radiation Oncology Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hartford Radiation Oncology Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians, all in Radiation Oncology, reassign their Medicare billing to Hartford Radiation Oncology Associates PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 9 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hartford Radiation Oncology Associates PC was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.