Doctor profile · Federal record

Dr. William Fiske, MD

Gastroenterology Physician (CMS: Gastroenterology) · Nashville, TN

  • NPI 1871634295
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3601 Tvc
Nashville, TN 372320001
(615) 322-3000
Additional location
1310 24Th Ave S
Nashville, TN 372122637
(615) 327-4751
Mailing address
3841 Green Hills Village Dr Ste 200
Nashville, TN 372152691

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 25, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Tennessee #45027

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871634295. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
9
Medicare allowed
$21,819
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 32 30 $95
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $226
45380 Biopsy of large bowel using a flexible endoscope 24 24 $101
99213 Established patient office or other outpatient visit, 20-29 minutes 22 21 $63
45380 Biopsy of large bowel using a flexible endoscope 20 20 $83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 16 15 $210
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $84
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $112
99215 Established patient office or other outpatient visit, 40-54 minutes 13 12 $116

In context: peer comparison

Among 27 peers in this city , average services per provider: 49. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
379
Patients
130
Total drug cost
$293,415
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 65 63 $1,018
Omeprazole Generic 65 22 $767
Pantoprazole Sodium Generic 44 11 $949
Amitriptyline Hcl Generic 20 0 $259
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 20 0 $1,344
Linzess (Linaclotide) Brand 20 0 $17,437
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 20 20 $403
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 0 $79
Nortriptyline Hcl Generic 19 0 $108
Humira Pen (Adalimumab) Brand 18 0 $266,921

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fiske's medical specialty?
Dr. William Fiske practices Gastroenterology Physician in Nashville, TN.
Where does Dr. William Fiske practice?
Dr. William Fiske practices at 3601 Tvc, Nashville, TN 372320001. Office phone: 6153223000.
What is Dr. William Fiske's NPI?
Dr. William Fiske's National Provider Identifier (NPI) is 1871634295, issued by NPPES.
Does Dr. William Fiske accept Medicare assignment?
Yes. Dr. William Fiske accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fiske commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.