Fionna Felicia Feller, MD
Infectious Disease Physician · Nashville, TN
Fionna Felicia Feller, MD is an infectious disease physician with a practice address in Nashville, Tennessee, and NPI 1487142683, issued on Apr 24, 2018. Check the license (Tennessee 68266, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Fionna Felicia Feller
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 68266 TN
R76674 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3601 The Vanderbilt Clinic, Nashville, TN 37232
- Phone
- (615) 322-3000
- Enumerated
- Apr 24, 2018
- Record last updated
- Jul 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20230815000132); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine - Phoenix, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 194 in Tennessee → Look up another NPI →
Also registered at 3601 The Vanderbilt Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Fionna Felicia Feller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 68266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average infectious disease physician in 2024
159 Medicare Part D claims for 35 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Posaconazole19 claims
- Ertapenem16 claims
- Meropenem16 claims
- Fluconazole12 claims
- Levofloxacin11 claims
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.
The MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Fionna Felicia Feller among 194 infectious disease physician records in Tennessee
Fionna Felicia Feller, MD is one of 194 infectious disease physician records with a practice address in Tennessee. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2018 · median 2005 among the 145 with a school on file
- Record last updated2023 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Tennessee
There are 194 infectious disease physician records in Tennessee.
All 194 in Tennessee → Every provider in Nashville → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Timothy Cover, MDNashville, TN 372321013016443
- John Dummer, MDNashville, TN 372321033218466
- David Gregory, MDNashville, TN 372321154356566
- David Haas, MDNashville, TN 372321134211543
- Allen Kaiser, MDNashville, TN 372321922190347
- Douglas Kernodle, MDNashville, TN 372321184722035
- Robert Latham, MDNashville, TN 372321386672335
- Catherine McGowan, MDNashville, TN 372321205819695
Common questions
What is Fionna Felicia Feller, MD's NPI number?
Fionna Felicia Feller, MD's National Provider Identifier (NPI) is 1487142683, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Fionna Felicia Feller, MD located?
The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.
How can I verify Fionna Felicia Feller, MD's license?
NPPES lists Tennessee license number 68266, 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.
How much does Fionna Felicia Feller, MD prescribe under Medicare Part D?
In 2024, Fionna Felicia Feller, MD had 159 Medicare Part D claims for 35 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Fionna Felicia Feller, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100. 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.