John S. Muller, MD
Hospitalist Physician · Chattanooga, TN
John S. Muller, MD is a hospitalist physician with a practice address in Chattanooga, Tennessee, and NPI 1861477374, issued on Dec 8, 2005. Check the license (Tennessee 31866, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John S. Muller
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 31866 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2525 Desales Avenue, Chattanooga, TN 37404
- Phone
- (423) 495-2620
- Enumerated
- Dec 8, 2005
- Record last updated
- Sep 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (423) 495-2625
- Medicaid ID
- 000880437C GA
- Medicare enrollment
- Enrolled (PECOS I20040117000149); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 426 in Tennessee → Look up another NPI →
Also registered at 2525 Desales Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Whitney Black, MDInternal Medicine Physician1497990170
- Aaron Blakeney, MEDICAL DOCTORHospitalist Physician1225456288
- David Bosshardt, MDInternal Medicine Physician1932192994
- Deann Champion, M.D.Emergency Medicine Physician1457396798
- Christopher Chandler, FNPFamily Nurse Practitioner1851693360
Verify John S. Muller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 31866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average hospitalist physician in 2024
684 Medicare Part D claims for 209 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Eliquis43 claims
- Pantoprazole Sodium37 claims
- Potassium Chloride31 claims
- Furosemide30 claims
- Metoprolol Succinate29 claims
- Carvedilol26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Memorial Health Partners Foundation, IncChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John S. Muller among 426 hospitalist physician records in Tennessee
John S. Muller, MD is one of 426 hospitalist physician records with a practice address in Tennessee. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1996 · median 2012 among the 356 with a school on file
- Record last updated2010 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Tennessee
There are 426 hospitalist physician records in Tennessee.
All 426 in Tennessee → Every provider in Chattanooga → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Stephen Adams, MDChattanooga, TN 374041598701674
- Brandon Bivens, D.O.Chattanooga, TN 374041649618653
- Aaron Blakeney, MEDICAL DOCTORChattanooga, TN 374041225456288
- David Dodson, MDChattanooga, TN 374041518942424
- Marina Grigorian, M.D.Chattanooga, TN 374041255452363
- Biram Hicks, MDChattanooga, TN 374041295710606
- Avni Kapadia, MDChattanooga, TN 374041639335839
- Harveer Mann, M.DChattanooga, TN 374041104263060
Common questions
What is John S. Muller, MD's NPI number?
John S. Muller, MD's National Provider Identifier (NPI) is 1861477374, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John S. Muller, MD located?
The NPPES record lists a practice address at 2525 Desales Avenue, Chattanooga, TN, 37404. Phone: (423) 495-2620. Providers update this record themselves, so call before visiting.
How can I verify John S. Muller, MD's license?
NPPES lists Tennessee license number 31866, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John S. Muller, MD prescribe under Medicare Part D?
In 2024, John S. Muller, MD had 684 Medicare Part D claims for 209 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is John S. Muller, MD's MIPS final score?
The 2023 MIPS final score is 94.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.