William Fiske, MD
NPI 1871634295 · Gastroenterology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fiske, MD is a Gastroenterology Physician provider in Nashville, TN (NPI 1871634295).
Provider details
- NPI number
- 1871634295
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 45027 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
241 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 41 | $230 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 36 | $233 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 34 | $76 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 33 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 106 | 104 |
| Omeprazole | 82 | 26 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 33 | 31 |
| Pantoprazole Sodium | 28 | — |
| Nortriptyline Hcl | 18 | — |
| Linaclotidebrand: Linzess | 17 | — |
| Dicyclomine Hcl | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 1310 24th Ave SNashville, TN 37212-2637Phone: (615) 327-4751
Registry dates
- Enumerated
- 2007-02-09
- Last updated
- 2022-03-25
- Certified
- 2022-03-25
Frequently asked questions
- What is William Fiske's NPI number?
- William Fiske's National Provider Identifier (NPI) is 1871634295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fiske's specialty?
- William Fiske is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William Fiske located?
- William Fiske's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is William Fiske's phone number?
- The practice phone number listed in the NPPES registry for William Fiske is (615) 322-3000.
- Does William Fiske accept Medicare?
- William Fiske is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fiske's NPI active?
- Yes — William Fiske's NPI (1871634295) is active in the NPPES registry as of the last update on 2022-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.