NPPES file of Aug 9, 2026

Radiation Oncology Associates

Radiation Oncology Associates holds 23 active organization NPIs in the federal registry, with practice locations in 23 cities in 21 states. 18 list radiation oncology physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Little Rock, AR has the most NPIs, 1

  1. Little Rock, AR1
  2. Stamford, CT1
  3. West Palm Beach, FL1
  4. Albany, GA1
  5. Augusta, GA1
  6. Honolulu, HI1
  7. Mason City, IA1
  8. Lewiston, ID1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2005 and 2006

Radiation Oncology Associates NPIs by year issued2005: 6, 2006: 9, 2007: 6, 2008: 1, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 102.557.51020062008201020122014201620182005: 69611
Radiation Oncology Associates NPIs by year issued2005: 6, 2006: 9, 2007: 6, 2008: 1, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 102.557.5102005200620072008200920102011201220132014201520162017201869611
Radiation Oncology Associates NPIs by year issued2005: 6, 2006: 9, 2007: 6, 2008: 1, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 102.557.51020062008201020122014201620182005: 6611

Source: CMS NPPES, enumeration dates.

9 NPIs were issued in 2006 alone, more than in any other year; none in 9 of the years between.

Little Rock, AR locations

The city with the most Radiation Oncology Associates NPIs. The full list of all 23 follows.

NPILocationPrimary taxonomyIssued
1831186014CARTI MARKHAM & UNIVERSITY #4 ST. VINCENT CIRCLE, Little Rock, ARRadiation Oncology PhysicianOct 3, 2005
All 23 locations, by state and city
NPILocationPrimary taxonomyIssued
1831186014CARTI MARKHAM & UNIVERSITY #4 ST. VINCENT CIRCLE, Little Rock, ARRadiation Oncology PhysicianOct 3, 2005
141700680034 SHELBURNE RD, Stamford, CTRadiation Oncology Clinic/CenterJan 9, 2007
172002685910335 N MILITARY TRL SUITE C, West Palm Beach, FLRadiation Oncology PhysicianJun 2, 2006
1568582864425 W 3RD AVE STE 50, Albany, GARadiation Oncology PhysicianMar 30, 2007
1831207992821 ST. SEBASTIAN WAY BLDG. HK, Augusta, GARadiation Oncology PhysicianAug 28, 2006
19525914301301 PUNCHBOWL ST, Honolulu, HISpecialistJul 31, 2007
10735159791000 4TH ST SW, Mason City, IARadiation Oncology PhysicianAug 11, 2005
1790930311504 6TH ST, Lewiston, IDRadiation Oncology PhysicianNov 24, 2008
1033179312800 W CENTRAL RD, Arlington Heights, ILRadiation Oncology PhysicianMar 23, 2006
14573377197910 W JEFFERSON BLVD STE 110, Fort Wayne, INRadiation Oncology PhysicianDec 19, 2005
10039388531 MT. CARMEL WAY, Pittsburg, KSRadiation Oncology PhysicianApr 4, 2007
1558839613295 VARNUM AVE, Lowell, MARadiation Oncology PhysicianNov 7, 2018
1033316849361 OLD BELGRADE RD, Augusta, MERadiation Oncology Clinic/CenterJun 27, 2007
12452602721 ELLIOT WAY ELLIOT HOSPITAL - RADIATION ONCOLOGY, Manchester, NHRadiation Oncology PhysicianJul 4, 2006
17503736924650 JEFFERSON LN NE, Albuquerque, NMTherapeutic Radiology PhysicianAug 17, 2005
1922189638501 NW ELKS DR, Corvallis, ORRadiation Oncology PhysicianOct 18, 2006
1376546267825 N MAIN ST, Providence, RIRadiation Oncology PhysicianMay 24, 2005
1043380108322 HOSPITAL BLVD, Jackson, TNRadiation Oncology Clinic/CenterNov 8, 2006
17009386852300 PATTERSON ST, Nashville, TNRadiation Oncology PhysicianJan 18, 2007
19523937461631 NORTH LOOP W SUITE 150, Houston, TXRadiation Oncology PhysicianAug 17, 2005
10139628368081 INNOVATION PARK DR, Fairfax, VARadiation Oncology PhysicianMay 23, 2006
19321547542900 W OKLAHOMA AVE, Milwaukee, WIRadiation Oncology PhysicianMay 23, 2006
1063469625210 NEW HOPE RD, Princeton, WVRadiation Oncology PhysicianMay 28, 2006

Related names

  1. Radiation Oncology Associates Of Michiana PC2 NPIs
  2. Radiation Oncology Associates A Medical Corporation1 NPI
  3. Radiation Oncology Associates Medical Group, INC DBA Oncology Care P1 NPI
  4. Radiation Oncology Associates Of Acadiana, Llp1 NPI
  5. Radiation Oncology Associates Of Central Florida, PA1 NPI
  6. Radiation Oncology Associates Of Charleston1 NPI
  7. Radiation Oncology Associates Of Delaware County1 NPI
  8. Radiation Oncology Associates Of Fresno1 NPI
  9. Radiation Oncology Associates Of Ft Lauderdale PA1 NPI
  10. Radiation Oncology Associates Of Gulf Coast, L.l.p.1 NPI
  11. Radiation Oncology Associates Of Lynchburg, INC1 NPI
  12. Radiation Oncology Associates Of Mississippi1 NPI

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Radiation Oncology Associates have 23 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Radiation Oncology Associates's NPIs list practice locations in 23 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.