William J. Fritsch, MD
Internal Medicine Physician · Chattanooga, TN
William J. Fritsch, MD is an internal medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1972554475, issued on May 12, 2006. Check the license (Tennessee 52586, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William J. Fritsch
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 52586 TN
115677 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2525 DE Sales Avenue, Chattanooga, TN 37404
- Phone
- (423) 495-2620
- Enumerated
- May 12, 2006
- Record last updated
- Apr 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (423) 495-2625
- Medicaid IDs
- 150941001 AR
64070030 KY
1972554475 IL
205881006 MO - Medicare enrollment
- Enrolled (PECOS I20220824003155); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 2525 DE Sales Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lester Brodie, MDEmergency Medicine Physician1104855790
- Sherri Canther, ARNPFamily Nurse Practitioner1508237835
- Whitman Dowlen, M.D.Emergency Medicine Physician1255751350
- Christopher Etchells, MDEmergency Medicine Physician1134652399
Verify William J. Fritsch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 52586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
391 Medicare Part D claims for 200 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Cefdinir27 claims
- Pantoprazole Sodium17 claims
- Prednisone17 claims
- Torsemide17 claims
- Amoxicillin-Clavulanate Potass14 claims
- Metoprolol Succinate13 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Saint Lukes Physician Group IncOverland Park, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Fritsch among 2,596 internal medicine physician records in Tennessee
William J. Fritsch, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2003 among the 1,705 with a school on file
- Record last updated2015 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
192 internal medicine physician records list a practice address in Chattanooga
They are 192 of the 7,377 NPPES records with a practice address in Chattanooga, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Chattanooga → Internal Medicine Physician nationwide →
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- Annesofie Dubeck-Brooks, MDChattanooga, TN 374041790774610
- Radian Florea, M.D.Chattanooga, TN 374041285627265
- Cristina Florea, MDChattanooga, TN 374041497730949
- Selmon Franklin, MDChattanooga, TN 374041841289501
- Richard Gusso, M.D.Chattanooga, TN 374041780673434
Common questions
What is William J. Fritsch, MD's NPI number?
William J. Fritsch, MD's National Provider Identifier (NPI) is 1972554475, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Fritsch, MD located?
The NPPES record lists a practice address at 2525 DE Sales Avenue, Chattanooga, TN, 37404. Phone: (423) 495-2620. Providers update this record themselves, so call before visiting.
How can I verify William J. Fritsch, MD's license?
NPPES lists Tennessee license number 52586, 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 William J. Fritsch, MD prescribe under Medicare Part D?
In 2024, William J. Fritsch, MD had 391 Medicare Part D claims for 200 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William J. Fritsch, MD's MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. 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.