James Matthew Massey, M.D., PH.D.
Diagnostic Radiology Physician · Nashville, TN
James Matthew Massey, M.D., PH.D. is a diagnostic radiology physician with a practice address in Nashville, Tennessee, and NPI 1083865976, issued on Oct 9, 2008. Check the license (Tennessee 51545, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Matthew Massey
- Credential
- M.D., PH.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 51545 TN
Self-reported in NPPES; status is on the state search - Practice location
- 210 25TH Ave N Ste 1204, Nashville, TN 37203
- Phone
- (615) 312-0600
- Enumerated
- Oct 9, 2008
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (615) 320-3259
- Medicare enrollment
- Enrolled (PECOS I20141015001393); accepts Medicare assignment
- Medical or professional school
- Louisville Medical College, 2008
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 968 in Tennessee → Look up another NPI →
Also registered at 210 25TH Ave N Ste 1204
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrick Brien, MDDiagnostic Radiology Physician1417091257
- Steven Bush, M.D.Diagnostic Radiology Physician1932148244
Verify James Matthew Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 51545Check 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): 78.8 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).
Bills Medicare through one group practice
- Radiology Alliance PCBrentwood, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Matthew Massey among 968 diagnostic radiology physician records in Tennessee
James Matthew Massey, M.D., PH.D. is one of 968 diagnostic radiology physician records with a practice address in Tennessee. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2008 · median 2004 among the 657 with a school on file
- Record last updated2021 · 51% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
325 diagnostic radiology physician records list a practice address in Nashville
They are 325 of the 24,357 NPPES records with a practice address in Nashville, and 968 diagnostic radiology physician records in Tennessee.
All 968 in Tennessee → Every provider in Nashville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Kurt Berger, MDNashville, TN 372031487638185
- Stuart Caplan, MDNashville, TN 372031447234141
- Webb Earthman, MDNashville, TN 372031558345256
- Daniel Geddie, M.D.Nashville, TN 372031235120809
- Scott Gray, MDNashville, TN 372031396729091
- Pradeep Jacob, MDNashville, TN 372031306849765
- Julie Kennon, MDNashville, TN 372031477537173
- Lee Lefler, MDNashville, TN 372031902801384
Common questions
What is James Matthew Massey, M.D., PH.D.'s NPI number?
James Matthew Massey, M.D., PH.D.'s National Provider Identifier (NPI) is 1083865976, issued on Oct 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James Matthew Massey, M.D., PH.D. located?
The NPPES record lists a practice address at 210 25TH Ave N Ste 1204, Nashville, TN, 37203. Phone: (615) 312-0600. Providers update this record themselves, so call before visiting.
How can I verify James Matthew Massey, M.D., PH.D.'s license?
NPPES lists Tennessee license number 51545, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is James Matthew Massey, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 78.8 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.