Nalan Ross Callonas, MD
Student in an Organized Health Care Education/Training Program · Memphis, TN
Nalan Ross Callonas, MD is a student in an organized health care education/training program with a practice address in Memphis, Tennessee, and NPI 1356043921, issued on Mar 20, 2023. Check the license with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nalan Ross Callonas
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 6019 Walnut Grove RD, Memphis, TN 38120
- Phone
- (901) 226-3001
- Enumerated
- Mar 20, 2023
- Record last updated
- Jun 24, 2024
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 4,640 in Tennessee → Look up another NPI →
Also registered at 6019 Walnut Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nalan Ross Callonas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
32 Medicare Part D claims for 19 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Nalan Ross Callonas among 4,640 student in an organized health care education/training program records in Tennessee
Nalan Ross Callonas, MD is one of 4,640 student in an organized health care education/training program records with a practice address in Tennessee. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 27% of them.
- NPI issued2023 · 27% of these records are older, 61% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2024 · 15% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,216 student in an organized health care education/training program records list a practice address in Memphis
They are 1,216 of the 12,794 NPPES records with a practice address in Memphis, and 4,640 student in an organized health care education/training program records in Tennessee.
All 4,640 in Tennessee → Every provider in Memphis → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Miriam Aelion, MDMemphis, TN 381201649470121
- Kevin Danner, DOMemphis, TN 381201659021681
- Benjamin GreenbergMemphis, TN 381201144916289
- Alexandria Gudeman, DOMemphis, TN 381201952086621
- Daniel Oskin, MDMemphis, TN 381201548963580
- Manalee Patel, PA-SMemphis, TN 381201316648140
- Kristen Phlegar, MDMemphis, TN 381201952006298
- Dawna Quinn, MDMemphis, TN 381201679216279
Common questions
What is Nalan Ross Callonas, MD's NPI number?
Nalan Ross Callonas, MD's National Provider Identifier (NPI) is 1356043921, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nalan Ross Callonas, MD located?
The NPPES record lists a practice address at 6019 Walnut Grove RD, Memphis, TN, 38120. Phone: (901) 226-3001. Providers update this record themselves, so call before visiting.
How can I verify Nalan Ross Callonas, MD's license?
Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Nalan Ross Callonas, MD prescribe under Medicare Part D?
In 2024, Nalan Ross Callonas, MD had 32 Medicare Part D claims for 19 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.