David Irvin Williams, M.D.
Critical Care Medicine (Internal Medicine) Physician · Memphis, TN
David Irvin Williams, M.D. is a critical care medicine (internal medicine) physician with a practice address in Memphis, Tennessee, and NPI 1023376878, issued on Apr 30, 2012. Check the license (Tennessee 52754, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Irvin Williams
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 52754 TN
Self-reported in NPPES; status is on the state search - Practice location
- 5050 Poplar Ave, Memphis, TN 38157
- Phone
- (901) 333-8443
- Enumerated
- Apr 30, 2012
- Record last updated
- Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (901) 274-2033
- Medicare enrollment
- Enrolled (PECOS I20160520001870); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2012
- 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 David Irvin Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 52754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
533 Medicare Part D claims for 107 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Albuterol Sulfate Hfa102 claims
- Trelegy Ellipta68 claims
- Zolpidem Tartrate35 claims
- Budesonide-Formoterol Fumarate30 claims
- Anoro Ellipta28 claims
- Azithromycin27 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: $170.23
8 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences 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 2 group practices
- Mid-South Pulmonary Specialists PCMemphis, TN
- Southeastern Physician Services PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Irvin Williams among 88 critical care medicine (internal medicine) physician records in Tennessee
David Irvin Williams, 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 2012, is newer than 60% of them.
- NPI issued2012 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2012 · median 2008 among the 68 with a school on file
- Record last updated2021 · 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
- Garrettson Ellis, M.D.Memphis, TN 381571336145317
- Roy Fox, MDMemphis, TN 381571972594208
- Lisa Kennedy, MDMemphis, TN 381571629059712
- Matthew Mabie, MDMemphis, TN 381571063491280
- Kimberly Marsh, M.D.Memphis, TN 381571952667503
Common questions
What is David Irvin Williams, M.D.'s NPI number?
David Irvin Williams, M.D.'s National Provider Identifier (NPI) is 1023376878, issued on Apr 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Irvin Williams, M.D. located?
The NPPES record lists a practice address at 5050 Poplar Ave, Memphis, TN, 38157. Phone: (901) 333-8443. Providers update this record themselves, so call before visiting.
How can I verify David Irvin Williams, M.D.'s license?
NPPES lists Tennessee license number 52754, 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 David Irvin Williams, M.D. prescribe under Medicare Part D?
In 2024, David Irvin Williams, M.D. had 533 Medicare Part D claims for 107 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is David Irvin Williams, 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.