Geoffrey Jonathan Sakellis, M.D.
Diagnostic Radiology Physician · Springfield, MA
Geoffrey Jonathan Sakellis, M.D. is a diagnostic radiology physician with a practice address in Springfield, Massachusetts, and NPI 1376757757, issued on May 9, 2007. Check the license (Massachusetts 225729, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Jonathan Sakellis
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 225729 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St, Springfield, MA 01199
- Phone
- (413) 794-0884
- Enumerated
- May 9, 2007
- Record last updated
- Oct 20, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111028000324); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Geoffrey Jonathan Sakellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 225729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $117.97
1 payment: food and beverage; the largest payer was Progenics Pharmaceuticals, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 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 3 group practices
- Health Diagnostics OF California A Professional CorporationScottsdale, AZ
- Simonmed Imaging Florida LLCGlendale, AZ
- Smi Imaging LLCAvondale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Jonathan Sakellis among 1,658 diagnostic radiology physician records in Massachusetts
Geoffrey Jonathan Sakellis, M.D. is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 49% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 2006 among the 1,125 with a school on file
- Record last updated2009 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Massachusetts
There are 1,658 diagnostic radiology physician records in Massachusetts.
All 1,658 in Massachusetts → Every provider in Springfield → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- John Cardella, MDSpringfield, MA 011991699850222
- Jonathan Cogley, MDSpringfield, MA 011991366619637
- Aimen Kasasbeh, M.D., PH.D.Springfield, MA 011991932544392
- Edward Mtui, M.D.Springfield, MA 011991750764445
- Nilisha Regmi, M.DSpringfield, MA 011991831766625
- Deepak Agarwal, MDPittsfield, MA 012011043265754
- Sanjay Kedia, MDPittsfield, MA 012011972556678
- Eric Korenman, M.D.Pittsfield, MA 012011104819630
Common questions
What is Geoffrey Jonathan Sakellis, M.D.'s NPI number?
Geoffrey Jonathan Sakellis, M.D.'s National Provider Identifier (NPI) is 1376757757, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Jonathan Sakellis, M.D. located?
The NPPES record lists a practice address at 759 Chestnut St, Springfield, MA, 01199. Phone: (413) 794-0884. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Jonathan Sakellis, M.D.'s license?
NPPES lists Massachusetts license number 225729, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Geoffrey Jonathan Sakellis, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.