FIONNA FELICIA FELLER MD
NPI 1487142683
Internal Medicine - Infectious Disease in Nashville, TN

Active since April 24, 2018PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 322-3000 Get Directions Write a Review

NPPES record last updated: July 31, 2023. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 19, 2023, Jul 6, 2023, May 26, 2021 and 3 more (6 updates tracked since 2018).

About Fionna Felicia Feller Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FIONNA FELICIA FELLER MD (NPI 1487142683) is an individual infectious disease provider in Nashville, Tennessee, licensed in Tennessee (68266) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1487142683
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameFIONNA FELICIA FELLERCredential: MD
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232-3220
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of Medicine - PhoenixGraduated 2018
Enumeration DateApril 24, 2018
Last NPPES UpdateJuly 31, 20236 updates tracked since enumeration
NPPES CertifiedJuly 31, 2023
NPI 1487142683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in TN · 68266
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License R76674 (AZ)
3601 THE VANDERBILT CLINIC, Nashville, TN 37232

Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Fionna Felicia Feller Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143578450
PECOS Enrollment IDI20230815000132
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
173 services78 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
78 services56 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
61 services57 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
49 services47 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services19 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.64
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$907.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Fionna Feller's NPI number?

The NPI number for Fionna Feller is 1487142683. It was assigned to this individual provider in the NPPES registry on April 24, 2018.

Where is Fionna Feller located?

Fionna Feller practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.

What is Fionna Feller's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Fionna Feller enrolled in Medicare?

Yes. Fionna Feller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Fionna Feller accept?

Health plans from Alliant Health Plans, Inc., BlueCross BlueShield of Tennessee and Oscar Insurance Company list Fionna Feller as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Fionna Feller affiliated with any hospitals?

According to CMS data, Fionna Feller is affiliated with Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Fionna Feller was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.