Katherine Federline Allan, M.D.
Internal Medicine Physician · Memphis, TN
Katherine Federline Allan, M.D. is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1942402284, issued on May 31, 2007. Check the license (Tennessee 42664, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katherine Federline Allan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 42664 TN
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Humphreys Blvd, Memphis, TN 38120
- Phone
- (901) 683-0055
- Enumerated
- May 31, 2007
- Record last updated
- Nov 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (901) 322-2994
- Medicaid IDs
- 165578001 AR
3000460 TN
03170013 MS
208332106 MO - Medicare enrollment
- Enrolled (PECOS I20070824000693); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 100 N Humphreys Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saundra Bosche, RN/NPFamily Nurse Practitioner1699752311
Verify Katherine Federline Allan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 42664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Ceftriaxone13 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.
Bills Medicare through one group practice
- Southeastern Physician Services PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Federline Allan among 2,596 internal medicine physician records in Tennessee
Katherine Federline Allan, 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · 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).
325 internal medicine physician records list a practice address in Memphis
They are 325 of the 12,794 NPPES records with a practice address in Memphis, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Memphis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Olugbenga Adebanjo, M.DMemphis, TN 381201144274200
- Joseph Allen, MDMemphis, TN 381201508887365
- Amin Bandealy, M.D.Memphis, TN 381201174555247
- Cary Finn, M.D.Memphis, TN 381201033192992
- John Fowler, M.D.Memphis, TN 381201982658506
- Alka Kamo, M.D.Memphis, TN 381201295738128
- Ashutosh Mishra, MDMemphis, TN 381201942262829
- Kamal Mohan, MDMemphis, TN 381201073514022
Common questions
What is Katherine Federline Allan, M.D.'s NPI number?
Katherine Federline Allan, M.D.'s National Provider Identifier (NPI) is 1942402284, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Federline Allan, M.D. located?
The NPPES record lists a practice address at 100 N Humphreys Blvd, Memphis, TN, 38120. Phone: (901) 683-0055. Providers update this record themselves, so call before visiting.
How can I verify Katherine Federline Allan, M.D.'s license?
NPPES lists Tennessee license number 42664, 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 Katherine Federline Allan, M.D. prescribe under Medicare Part D?
In 2024, Katherine Federline Allan, M.D. had 43 Medicare Part D claims for 15 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.