William Fritsch, MD
NPI 1972554475 · Internal Medicine Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fritsch, MD is a Internal Medicine Physician provider in Chattanooga, TN (NPI 1972554475).
Provider details
- NPI number
- 1972554475
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 115677 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
953 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 527 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 184 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 118 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 75 | $165 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 36 | $125 |
| Critical Care, First 30-74 Minutes99291 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 27 | 27 |
| Pantoprazole Sodium | 17 | 15 |
| Prednisone | 17 | 17 |
| Torsemide | 17 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Metoprolol Succinate | 13 | 13 |
| Carvedilol | 12 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2015-04-07
Frequently asked questions
- What is William Fritsch's NPI number?
- William Fritsch's National Provider Identifier (NPI) is 1972554475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fritsch's specialty?
- William Fritsch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fritsch located?
- William Fritsch's practice location on file with NPPES is 2525 De Sales Avenue, Chattanooga, TN 37404.
- What is William Fritsch's phone number?
- The practice phone number listed in the NPPES registry for William Fritsch is (423) 495-2620.
- Does William Fritsch accept Medicare?
- William Fritsch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fritsch's NPI active?
- Yes — William Fritsch's NPI (1972554475) is active in the NPPES registry as of the last update on 2015-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.