John Muller, MD
NPI 1861477374 · Hospitalist Physician · Chattanooga, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Muller, MD is a Hospitalist Physician provider in Chattanooga, TN (NPI 1861477374).
Provider details
- NPI number
- 1861477374
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31866 (TN)
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
875 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 | 584 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 156 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 91 | $104 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $161 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 43 | 25 |
| Pantoprazole Sodium | 37 | 19 |
| Potassium Chloride | 31 | 19 |
| Furosemide | 30 | 18 |
| Metoprolol Succinate | 29 | 16 |
| Carvedilol | 26 | 18 |
| Spironolactone | 22 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2010-09-01
Frequently asked questions
- What is John Muller's NPI number?
- John Muller's National Provider Identifier (NPI) is 1861477374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Muller's specialty?
- John Muller is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Muller located?
- John Muller's practice location on file with NPPES is 2525 Desales Avenue, Chattanooga, TN 37404-1161.
- What is John Muller's phone number?
- The practice phone number listed in the NPPES registry for John Muller is (423) 495-2620.
- Does John Muller accept Medicare?
- John Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Muller's NPI active?
- Yes — John Muller's NPI (1861477374) is active in the NPPES registry as of the last update on 2010-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.