Garrettson S. Ellis, M.D.
Critical Care Medicine (Internal Medicine) Physician · Memphis, TN
Garrettson S. Ellis, M.D. is a critical care medicine (internal medicine) physician with a practice address in Memphis, Tennessee, and NPI 1336145317, issued on Jun 23, 2005. Check the license (Tennessee 38522, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Garrettson S. Ellis
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 38522 TN
Self-reported in NPPES; status is on the state search - Practice location
- 5050 Poplar Ave, Memphis, TN 38157
- Phone
- (901) 276-2662
- Enumerated
- Jun 23, 2005
- Record last updated
- Jun 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (901) 274-1871
- Medicaid ID
- 3161384 TN
- Medicare enrollment
- Enrolled (PECOS I20041001000540); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 88 in Tennessee → Look up another NPI →
Also registered at 5050 Poplar Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahmod Abdelghani, DNPCritical Care Medicine Nurse Practitioner1922557909
- Robert Aguillard, MDCritical Care Medicine (Internal Medicine) Physician1659362960
- James Andrews, MDSleep Medicine (Internal Medicine) Physician1255312336
- David Armstrong, PH.D.Clinical Psychologist1326048703
- Jessica Biggs, AGACNP-BC, APRNAcute Care Nurse Practitioner1982336814
- Richard Boswell, M.D.Critical Care Medicine (Internal Medicine) Physician1679558779
Verify Garrettson S. Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 38522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
2,447 Medicare Part D claims for 417 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta443 claims
- Albuterol Sulfate Hfa408 claims
- Breo Ellipta127 claims
- Ipratropium Bromide120 claims
- Prednisone108 claims
- Azithromycin107 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): 90.9 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).
Industry payments in 2024: $1,529.76
87 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mid-South Pulmonary Specialists PCOlive Branch, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrettson S. Ellis among 88 critical care medicine (internal medicine) physician records in Tennessee
Garrettson S. Ellis, M.D. is one of 88 critical care medicine (internal medicine) 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, 83% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1998 · median 2008 among the 68 with a school on file
- Record last updated2013 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Tennessee
There are 88 critical care medicine (internal medicine) physician records in Tennessee.
All 88 in Tennessee → Every provider in Memphis → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Robert Aguillard, MDMemphis, TN 381571659362960
- Richard Boswell, M.D.Memphis, TN 381571679558779
- Paul Deaton, MDMemphis, TN 381571235110313
- Roy Fox, MDMemphis, TN 381571972594208
- Lisa Kennedy, MDMemphis, TN 381571629059712
- Matthew Mabie, MDMemphis, TN 381571063491280
- Kimberly Marsh, M.D.Memphis, TN 381571952667503
- Michael Munday, DOMemphis, TN 381571710019930
Common questions
What is Garrettson S. Ellis, M.D.'s NPI number?
Garrettson S. Ellis, M.D.'s National Provider Identifier (NPI) is 1336145317, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Garrettson S. Ellis, M.D. located?
The NPPES record lists a practice address at 5050 Poplar Ave, Memphis, TN, 38157. Phone: (901) 276-2662. Providers update this record themselves, so call before visiting.
How can I verify Garrettson S. Ellis, M.D.'s license?
NPPES lists Tennessee license number 38522, 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 Garrettson S. Ellis, M.D. prescribe under Medicare Part D?
In 2024, Garrettson S. Ellis, M.D. had 2,447 Medicare Part D claims for 417 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Garrettson S. Ellis, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 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.