Best Pract Res Clin Anaesthesiol
AnesthesiologistsAnesthesiologyPerioperative Care
Dr. Cassandra Mabel Armstead-Williams, MD
NPI1295021996PAC ID9032334412
- Medicare services, 2016
- 19
- Publications
- 1
- Industry payments
- $15
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 848 Adams Ave, Memphis, TN 38103
- Practice phone
- Call (901) 287-5437
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Le Bonheur Children's Hospital
Memphis, Tennessee
Find Dr. Armstead-Williams' professional email, personal email and mobile number
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Dr. Cassandra Mabel Armstead-Williams is a pediatric anesthesiology physician in Memphis, Tennessee
Dr. Armstead-Williams practices at Le Bonheur Children's Hospital in Memphis, Tennessee.
Dr. Armstead-Williams' NPI, 1295021996, was assigned on June 22, 2011. Dr. Armstead-Williams holds Tennessee license 64723.
NPI and contact details
- NPI
- 1295021996NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032334412
- NPI enumeration date
- June 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (901) 287-5437
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cassandra Mabel Armstead-Williams practices at Le Bonheur Children's Hospital in Memphis, Tennessee
Dr. Armstead-Williams' primary practice is Le Bonheur Children's Hospital, at 848 Adams Ave, Memphis, TN 38103 in Shelby County. The practice phone is (901) 287-5437.
- Le Bonheur Children's Hospital848 Adams Ave, Memphis, TN 38103 · Shelby CountyPhone(901) 287-5437
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Cassandra Mabel Armstead-Williams is affiliated with 3 sites of care and 2 medical groups
Dr. Armstead-Williams' primary practice is Le Bonheur Children's Hospital in Memphis, Tennessee. The medical group on file is UT Le Bonheur Pediatric Specialists. Dmand AI also links Dr. Armstead-Williams to 1 more dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account.
Le Bonheur Children's HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Cassandra Mabel Armstead-Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstead-Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Le Bonheur Children's Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cassandra Mabel Armstead-Williams is one of 44 pediatric anesthesiology physicians in Tennessee
Pediatric anesthesiology is Dr. Armstead-Williams' primary specialty in the NPI Registry, under taxonomy code 207LP3000X. Dmand AI has Dr. Armstead-Williams' licenses on file in 3 states: Tennessee, Louisiana and Mississippi.
Specialties and state licenses
- Pediatric anesthesiology, TennesseePrimary
- Anesthesiology, Louisiana
- Mississippi license
Pediatric anesthesiology physicians near Dr. Armstead-Williams
Counts of pediatric anesthesiology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Cassandra Mabel Armstead-Williams billed Medicare for 19 services in 2016
CMS data shows 19 Medicare services from Dr. Armstead-Williams across 1 procedure code in 2016. Medicare paid $2,482 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201619
Paid by Medicare$2,482
Procedure codes1
Dr. Armstead-Williams compared with the Tennessee median for pediatric anesthesiology physicians, 2016
- Dr. Armstead-Williams
- Tennessee median
- Medicare services
- 19vs 2214% below
Medians across 19 pediatric anesthesiology physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Armstead-Williams' most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstead-Williams and other pediatric anesthesiology physicians in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cassandra Mabel Armstead-Williams' patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Armstead-Williams' median patient age at 11, with 40% women.
Dr. Armstead-Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
How Dr. Cassandra Mabel Armstead-Williams takes part in Medicare
Dr. Armstead-Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Cassandra Mabel Armstead-Williams has 1 publication on record
Dmand AI links 1 paper to Dr. Armstead-Williams in 2019. Dr. Armstead-Williams' most frequent co-authors are Alan D. Kaye, MD and Richard Dennis Urman, MD.
Papers1
Dr. Armstead-Williams' most frequent co-authors
Recent publications by Dr. Armstead-Williams
See who Dr. Armstead-Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Armstead-Williams works with, so you can find a warm path to the right pediatric anesthesiology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cassandra Mabel Armstead-Williams received $15 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Armstead-Williams from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $15.
Companies that paid Dr. Armstead-Williams the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Cassandra Mabel Armstead-Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Cassandra Mabel Armstead-Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Cassandra Mabel Armstead-Williams' NPI number?
Dr. Cassandra Mabel Armstead-Williams' NPI number is 1295021996. It was assigned on June 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Cassandra Mabel Armstead-Williams?
Dr. Cassandra Mabel Armstead-Williams is a pediatric anesthesiology physician in Memphis, Tennessee. The primary specialty in the NPI Registry is Pediatric Anesthesiology Physician (taxonomy code 207LP3000X).
Where does Dr. Cassandra Mabel Armstead-Williams practice?
Dr. Armstead-Williams practices at 848 Adams Ave, Memphis, TN 38103. Dr. Armstead-Williams' primary practice is Le Bonheur Children's Hospital in Memphis, Tennessee. Dmand AI also links Dr. Armstead-Williams to 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Dr. Cassandra Mabel Armstead-Williams' office phone number?
The practice phone on file for Dr. Armstead-Williams is (901) 287-5437.
What is Dr. Cassandra Mabel Armstead-Williams' medical license number?
Dr. Armstead-Williams holds Tennessee license 64723, one of the licenses on file in 3 states.
Which states has Dr. Cassandra Mabel Armstead-Williams been licensed in?
Dmand AI has state licenses on file for Dr. Armstead-Williams in Tennessee, Louisiana and Mississippi.
What medical group is Dr. Cassandra Mabel Armstead-Williams part of?
Dr. Armstead-Williams is linked to UT Le Bonheur Pediatric Specialists. Dmand AI links Dr. Armstead-Williams to 1 more medical group.
Does Dr. Cassandra Mabel Armstead-Williams accept Medicare?
Yes. CMS data shows Dr. Armstead-Williams billed Medicare for 19 services in 2016, and Dr. Armstead-Williams accepts Medicare assignment.
What services does Dr. Cassandra Mabel Armstead-Williams bill to Medicare?
In 2016, Dr. Armstead-Williams' most billed Medicare services were anesthesia (01922).
Has Dr. Cassandra Mabel Armstead-Williams received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Armstead-Williams from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
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How long has Dr. Cassandra Mabel Armstead-Williams been practicing?
Dr. Armstead-Williams graduated from medical school in 2010, 16 years ago.
Does Dr. Cassandra Mabel Armstead-Williams do research?
Dmand AI links 1 publication to Dr. Armstead-Williams.
Who does Dr. Cassandra Mabel Armstead-Williams publish with?
Dr. Armstead-Williams' most frequent co-authors are Alan D. Kaye, MD (1 shared paper) and Richard Dennis Urman, MD (1 shared paper).
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