Ryan S. McNamara, MD
Internal Medicine Physician · Chattanooga, TN
Ryan S. McNamara, MD is an internal medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1598878084, issued on Aug 17, 2006. Check the license (Tennessee MD0000035210, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ryan S. McNamara
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD0000035210 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2525 Dasales Avenue, Chattanooga, TN 37404
- Phone
- (423) 495-2620
- Enumerated
- Aug 17, 2006
- Record last updated
- Oct 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (423) 495-2625
- Medicare enrollment
- Enrolled (PECOS I20050428001254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Verify Ryan S. McNamara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD0000035210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,563 Medicare Part D claims for 371 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Torsemide118 claims
- Atorvastatin Calcium110 claims
- Potassium Chloride99 claims
- Amlodipine Besylate75 claims
- Spironolactone63 claims
- Carvedilol60 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).
Ryan S. McNamara among 2,596 internal medicine physician records in Tennessee
Ryan S. McNamara, 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 updated2010 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
- David Bosshardt, MDChattanooga, TN 374041932192994
- Collin Cherry, MDChattanooga, TN 374041659375491
- Charles Crump, MDChattanooga, TN 374041093704744
- 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 Ryan S. McNamara, MD's NPI number?
Ryan S. McNamara, MD's National Provider Identifier (NPI) is 1598878084, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan S. McNamara, MD located?
The NPPES record lists a practice address at 2525 Dasales Avenue, Chattanooga, TN, 37404. Phone: (423) 495-2620. Providers update this record themselves, so call before visiting.
How can I verify Ryan S. McNamara, MD's license?
NPPES lists Tennessee license number MD0000035210, 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 Ryan S. McNamara, MD prescribe under Medicare Part D?
In 2024, Ryan S. McNamara, MD had 1,563 Medicare Part D claims for 371 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ryan S. McNamara, 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.