NPPES file of Aug 9, 2026

Cassandra Mabel Armstead-Williams, M.D.

Pediatric Anesthesiology Physician · Memphis, TN

Cassandra Mabel Armstead-Williams, M.D. is a pediatric anesthesiology physician with a practice address in Memphis, Tennessee, and NPI 1295021996, issued on Jun 22, 2011. Check the license (Tennessee 64723, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295021996
Name
Cassandra Mabel Armstead-Williams
Credential
M.D.
Primary taxonomy
Pediatric Anesthesiology Physician 207LP3000X
License numbers
64723 TN
MD.207894 LA
23994 MS
Self-reported in NPPES; status is on the state search
Practice location
50 N Dunlap St, Memphis, TN 38103
Phone
(901) 287-6060
Enumerated
Jun 22, 2011
Record last updated
May 1, 2023
Fax
(091) 287-5102
Medicaid ID
04633792 MS
Medicare enrollment
Enrolled (PECOS I20221214002692); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 50 N Dunlap St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charles Adwell, MDAnesthesiology Physician1083613160
  2. Jessica Barnes, D.O.Pediatrics Physician1396006649
  3. Luis Barranco, MDAnesthesiology Physician1063411148
  4. Tracy Barrett, MDPediatric Emergency Medicine (Emergency Medicine) Physician1841290004
  5. Charlene Benz, CRNACertified Registered Nurse Anesthetist1528067584
  6. Kristen Bettin, M.D.Hospitalist Physician1194043661

Verify Cassandra Mabel Armstead-Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 64723
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $15.13

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 461 providers of this specialty with any payment received $289.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cassandra Armstead-Williams$15.13
  2. Specialty average$289.08

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

  1. UT Lebonheur Pediatric Specialists, Inc.Memphis, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cassandra Mabel Armstead-Williams among 57 pediatric anesthesiology physician records in Tennessee

Cassandra Mabel Armstead-Williams, M.D. is one of 57 pediatric anesthesiology physician records with a practice address in Tennessee. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.

  • NPI issued2011 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2010 · median 2009 among the 36 with a school on file
  • Record last updated2023 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP3000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Anesthesiology Physician providers in Tennessee

There are 57 pediatric anesthesiology physician records in Tennessee.

The 8 pediatric anesthesiology physician records with the nearest ZIP codes

  1. Meghan Burkley, M.D.Memphis, TN 381031043500291
  2. Sasha Menon, MBBSMemphis, TN 381051093535239
  3. Kyle MorganMemphis, TN 381051205151776
  4. Kavitha Raghavan, MDMemphis, TN 381051053836197
  5. Martine Denn, MDGermantown, TN 381381457460214
  6. Gordon Cramolini, MDKnoxville, TN 379161760493860
  7. Nancy Duckles, MDKnoxville, TN 379161902817091
  8. Oliver Hoig, MDKnoxville, TN 379161548271646

Common questions

What is Cassandra Mabel Armstead-Williams, M.D.'s NPI number?

Cassandra Mabel Armstead-Williams, M.D.'s National Provider Identifier (NPI) is 1295021996, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Mabel Armstead-Williams, M.D. located?

The NPPES record lists a practice address at 50 N Dunlap St, Memphis, TN, 38103. Phone: (901) 287-6060. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Mabel Armstead-Williams, M.D.'s license?

NPPES lists Tennessee license number 64723, 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.

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.