Catherine Mulroy Munn, M.D.
Internal Medicine Physician · Germantown, TN
Catherine Mulroy Munn, M.D. is an internal medicine physician with a practice address in Germantown, Tennessee, and NPI 1245599109, issued on May 14, 2012. Check the license (Tennessee 52252, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Catherine Mulroy Munn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 52252 TN
Self-reported in NPPES; status is on the state search - Practice location
- 7691 Poplar Ave, Germantown, TN 38138
- Phone
- (901) 516-1290
- Enumerated
- May 14, 2012
- Record last updated
- Oct 30, 2024
- Fax
- (901) 516-1220
- Medicare enrollment
- Enrolled (PECOS I20150721001642); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 7691 Poplar Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bailey AppleNurse Practitioner1457281164
- Cynthia Bedford, ACNPAcute Care Nurse Practitioner1023357860
- Phani Borra, M.D.Internal Medicine Physician1841796505
- Lauren Brewer, ANPFamily Nurse Practitioner1326422502
- Georgia Brown, NPAcute Care Nurse Practitioner1093580896
- Thomas Carruth, FNPFamily Nurse Practitioner1972023943
Verify Catherine Mulroy Munn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 52252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
251 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium17 claims
- Pantoprazole Sodium17 claims
- Carvedilol12 claims
- Levofloxacin12 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): 73.3 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
- Methodist Inpatient Physicians LLCGermantown, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Mulroy Munn among 2,596 internal medicine physician records in Tennessee
Catherine Mulroy Munn, M.D. 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 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2003 among the 1,705 with a school on file
- Record last updated2024 · 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).
61 internal medicine physician records list a practice address in Germantown
They are 61 of the 1,692 NPPES records with a practice address in Germantown, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Germantown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ann Brown, MDGermantown, TN 381381245223577
- Mark Castellaw, MDGermantown, TN 381381114928793
- Edward Davis, MDMemphis, TN 381381346242203
- Lynda Freeland, MDGermantown, TN 381381720072994
- Mohan Gehi, MDMemphis, TN 381381497730964
- Richard Jordan, MDGermantown, TN 381381871594457
- Zulekha Kathawala, MDGermantown, TN 381381013992585
- Steven Overby, MDGermantown, TN 381381194726679
Common questions
What is Catherine Mulroy Munn, M.D.'s NPI number?
Catherine Mulroy Munn, M.D.'s National Provider Identifier (NPI) is 1245599109, issued on May 14, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Mulroy Munn, M.D. located?
The NPPES record lists a practice address at 7691 Poplar Ave, Germantown, TN, 38138. Phone: (901) 516-1290. Providers update this record themselves, so call before visiting.
How can I verify Catherine Mulroy Munn, M.D.'s license?
NPPES lists Tennessee license number 52252, 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 Catherine Mulroy Munn, M.D. prescribe under Medicare Part D?
In 2024, Catherine Mulroy Munn, M.D. had 251 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Catherine Mulroy Munn, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.3 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.