William E. Davis

  • New Orleans, LA
  • Rheumatologist
NPI1891753216PAC ID0648310573
Medicare services, 2024
264
Medicare patients, 2024
172
Part D claims, 2024
3,414
Publications
24
Hospital affiliations
5
Practice address
1516 Jefferson Hwy, New Orleans, LA 70121
Practice phone
Call (504) 842-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ochsner Medical Center - New Orleans

Hospital · New Orleans, Louisiana

See all 7 affiliations

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William E. Davis is a rheumatologist in New Orleans, Louisiana

William Davis practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System.

William Davis' NPI, 1891753216, was assigned on May 3, 2006. William Davis graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1983. William Davis' Louisiana license number on file is MD.017251.

NPI and contact details
Medicare PAC ID
0648310573
NPI enumeration date
May 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(504) 842-3000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

William E. Davis practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana

William Davis' primary practice is Ochsner Medical Center - New Orleans, at 1516 Jefferson Hwy, New Orleans, LA 70121 in Jefferson Parish. The practice phone is (504) 842-3000.

Source: Dmand AI Affiliation Data

William E. Davis is affiliated with 5 sites of care and 2 medical groups

William Davis' primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. William Davis is also affiliated with Ochsner Medical Center - Baton Rouge. The medical group on file is Ochsner Health. Dmand AI also links William Davis to 3 more hospitals and 1 medical group, each named with a free account.

See all 7 affiliations for William Davis

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William E. Davis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Davis practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ochsner Medical Center - New OrleansAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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William E. Davis is one of 81 rheumatologists in Louisiana

Rheumatology is William Davis' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. William Davis is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has William Davis' licenses on file in 4 states: Louisiana, Mississippi, New Hampshire and Alabama.

Specialties and state licenses

  • Rheumatology, LouisianaPrimaryLicense MD.017251 · 1983 to 2025 · taxonomy 207RR0500X
  • Mississippi license2022 to 2026
  • New Hampshire license2024
  • Alabama license2020

Clinical focus

Dmand AI lists arteritis, arthritis, gout, lupus, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions William Davis treats.

Rheumatologists near William Davis

Counts of rheumatologists 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

William E. Davis billed Medicare for 264 services in 2024

CMS data shows 264 Medicare services from William Davis across 5 procedure codes in 2024, for 172 Medicare patients. Medicare paid $17,941 for them.

Medicare services, 2024264
Medicare patients172
Paid by Medicare$17,941
Procedure codes5

William Davis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2512024: 252No change
Other services
2023: 02024: 12

Where William Davis' Medicare services took place, 2024

  • In an office3614%
  • In a facility22886%

William Davis compared with the Louisiana median for rheumatologists, 2024

  • William Davis
  • Louisiana median
Medicare services
264vs 67261% below
Medicare patients
172vs 22423% below
Part D claims
3,123vs 2,05852% above

Medians across 81 rheumatologists in Louisiana with Dmand AI profiles that report each measure.

William Davis' most billed Medicare procedure codes, 2024

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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

William E. Davis treated 172 Medicare patients in 2024, average age 69

CMS counts 172 Medicare patients who saw William Davis in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 72% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Davis' median patient age at 71, with 74% women.

Medicare patients, 2024172
Average age69
Average risk score1.75
Also on Medicaid17%

William Davis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Davis' Medicare patients by sex, 2024

  • Women13478%
  • Men3822%

Chronic conditions among William Davis' Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure72%
  3. High cholesterol71%
  4. Osteoporosis37%
  5. Anxiety33%
  6. Mood disorders30%
  7. Depression27%
  8. Diabetes25%

Share of Medicare patients with each condition. A patient can have several.

William Davis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women74%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

William E. Davis wrote 3,414 Medicare Part D claims in 2024

In 2024, William Davis wrote 3,414 Medicare Part D claims for 460 patients. 87% of them were for generic drugs. CMS names the drug for 3,123 of them, across 46 drugs with 11 or more claims each, at $2,225,490 in total drug cost. In 2023, CMS named 2,944 claims across 48 drugs.

Part D claims, 20243,414
Drugs named by CMS46
Total drug cost$2.2M
Part D patients460

William Davis' Part D claims by kind of drug, 2024

  • Generic2,954 claims87%
  • Brand-name460 claims13%

William Davis' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in William Davis' Part D claims, 2024

  • Opioids12%403 of 3,414 claims
  • Antibiotics1%33 of 3,414 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,9442024: 3,1236%

Drugs named by CMS: 46 in 2024, 48 in 2023.

See all prescribing by William Davis

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

William E. Davis offers telehealth to Medicare patients

William Davis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Davis as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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William E. Davis has 24 publications on record

Dmand AI links 24 papers to William Davis, published from 2014 to 2016. 2014 was the busiest year, with 3. The most frequent topics are Antibodies, Monoclonal, Antigens, Differentiation, T-Lymphocyte and Arthritis, Rheumatoid. William Davis has published most often in Ochsner J. William Davis' most frequent co-authors are Robert J. Quinet, MD, Elvira Alexandrovna Lindwall, MD and Anika Alarakhia.

Papers24
Years published2014 to 2016

William Davis' papers by year, 2014 to 2016

Topics William Davis writes about most

  • Antibodies, Monoclonal
  • Antigens, Differentiation, T-Lymphocyte
  • Arthritis, Rheumatoid
  • Lupus Erythematosus, Systemic
  • Lymphocyte Activation
  • T-Lymphocytes
  • Antigens, CD
  • Antigens, Surface

William Davis' most frequent co-authors

Recent publications by William Davis

See all 24 publications and co-authors

See who William Davis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who William Davis works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

William E. Davis received $38,299 in industry payments from 2016 to 2025

CMS Open Payments shows 98 general payments to William Davis from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 40% of the total. Amgen Inc. paid the most, $18,140.

General payments to William Davis by program year, 2016 to 2025

General payments to William Davis by kind, 2016 to 2025

$38.3Kin total
  • Speaker and faculty fees$15,25040%
  • Consulting fees$12,05831%
  • Food and beverage$4,21311%
  • Honoraria$3,91510%
  • Other$2,8637%

Companies that paid William Davis the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to William Davis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

William E. Davis has 3 awards and honors on record

Dmand AI lists 3 awards for William Davis, most recently Master in 2017.

Awards and honors for William Davis

  1. 2017
    • Master
  2. 2012
    • ACR Fellow
  3. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

William E. Davis graduated from LSU Health Sciences Center New Orleans - School of Medicine

William Davis graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1983. William Davis is a member of ACP and ACR.

  1. Medical schoolLSU Health Sciences Center New Orleans - School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

William E. Davis accepts plans from 20 insurance carriers

William Davis is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types William Davis accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for William E. Davis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William E. Davis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William E. Davis' NPI number?

William E. Davis' NPI number is 1891753216. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What does William E. Davis specialize in?

William E. Davis is a rheumatologist in New Orleans, Louisiana. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does William E. Davis practice?

William Davis practices at 1516 Jefferson Hwy, New Orleans, LA 70121. William Davis' primary practice is Ochsner Medical Center - New Orleans in New Orleans, Louisiana, part of Ochsner Health System. Dmand AI also links William Davis to 3 hospitals and 1 medical group.

What is William E. Davis' office phone number?

The practice phone on file for William Davis is (504) 842-3000.

What is William E. Davis' medical license number?

William Davis' Louisiana license number on file is MD.017251, one of the licenses on file in 4 states.

Which states has William E. Davis been licensed in?

Dmand AI has state licenses on file for William Davis in Louisiana (1983 to 2025), Mississippi (2022 to 2026), New Hampshire (2024) and Alabama (2020).

Which hospitals is William E. Davis affiliated with?

William Davis practices at Ochsner Medical Center - New Orleans in New Orleans, Louisiana. William Davis is also affiliated with Ochsner Medical Center - Baton Rouge. Dmand AI links William Davis to 3 more hospitals.

What medical group is William E. Davis part of?

William Davis is linked to Ochsner Health. Dmand AI links William Davis to 1 more medical group.

Does William E. Davis accept Medicare?

Yes. CMS data shows William Davis billed Medicare for 264 services in 2024, and William Davis accepts Medicare assignment.

Does William E. Davis offer telehealth?

Yes. The CMS Doctors and Clinicians file lists William Davis as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does William E. Davis see?

CMS counts 172 Medicare patients who saw William Davis in 2024, with an average age of 69.

Is William E. Davis board certified?

Yes. William Davis is board certified in internal medicine by the American Board of Internal Medicine.

What services does William E. Davis bill to Medicare?

In 2024, William Davis' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).

Where did William E. Davis go to medical school?

William Davis graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1983.

What drugs does William E. Davis prescribe most?

In 2024 Medicare Part D data, William Davis' most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.

Has William E. Davis received payments from drug or device companies?

CMS Open Payments shows $38,299 in general payments to William Davis from 18 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has William E. Davis been practicing?

William Davis graduated from medical school in 1983, 43 years ago.

Does William E. Davis do research?

Dmand AI links 24 publications to William Davis, published from 2014 to 2016.

Who does William E. Davis publish with?

William Davis' most frequent co-authors are Robert J. Quinet, MD (13 shared papers), Elvira Alexandrovna Lindwall, MD (4 shared papers) and Anika Alarakhia (3 shared papers).

What insurance does William E. Davis accept?

William Davis is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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