Dr. Ashley E. Willis, MD

  • Zachary, LA
  • Allergist and immunologist
NPI1841759032PAC ID3072044643
Medicare patients, 2024
14
Part D claims, 2024
318
Hospital affiliations
1
Industry payments
$1,395
Medical group
1
Practice address
6300 Main Street, Zachary, LA 70791
Practice phone
Call (225) 658-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lane Regional Medical Center

Hospital · Zachary, Louisiana

See all 3 affiliations

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Dr. Ashley E. Willis is an allergist and immunologist in Zachary, Louisiana

Dr. Willis practices at Lane Regional Medical Center in Zachary, Louisiana, part of Franciscan Missionaries of Our Lady.

Dr. Willis' NPI, 1841759032, was assigned on March 18, 2019. Dr. Willis holds Louisiana license 340694.

NPI and contact details
Medicare PAC ID
3072044643
NPI enumeration date
March 18, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(225) 658-4000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

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

Dr. Ashley E. Willis practices at Lane Regional Medical Center in Zachary, Louisiana

Dr. Willis' primary practice is Lane Regional Medical Center, at 6300 Main Street, Zachary, LA 70791 in E. Baton Rouge Parish. The practice phone is (225) 658-4000.

Source: Dmand AI Affiliation Data

Dr. Ashley E. Willis is affiliated with 2 sites of care and 1 medical group

Dr. Willis' primary practice is Lane Regional Medical Center in Zachary, Louisiana, part of Franciscan Missionaries of Our Lady. The medical group on file is Lane Regional Medical Center. Dmand AI also links Dr. Willis to 1 more group practice or clinic, named with a free account. Dr. Willis' employer is on file too: a hospital.

See all 3 affiliations for Dr. Willis

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

Dmand AI tracks the EHR system at Dr. Ashley E. Willis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lane Regional Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Franciscan Missionaries of Our Lady and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Ashley E. Willis is one of 53 allergists and immunologists in Louisiana

Allergy and immunology is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Willis is licensed in Louisiana.

Specialties and state licenses

  • Allergy and immunology, LouisianaPrimaryLicense 340694 · taxonomy 207K00000X

Allergists and immunologists near Dr. Willis

Counts of allergists and immunologists 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. Ashley E. Willis treated 14 Medicare patients in 2024, average age 68

CMS counts 14 Medicare patients who saw Dr. Willis in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.06, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Willis' median patient age at 38, with 66% women.

Medicare patients, 202414
Average age68
Average risk score1.06

Chronic conditions among Dr. Willis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Dr. Willis' patients across all payers

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

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women66%
  • Men34%

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

Dr. Ashley E. Willis wrote 318 Medicare Part D claims in 2024

In 2024, Dr. Willis wrote 318 Medicare Part D claims for 86 patients. 84% of them were for generic drugs. CMS names the drug for 247 of them, across 7 drugs with 11 or more claims each, at $7,941 in total drug cost. In 2023, CMS named 229 claims across 9 drugs.

Part D claims, 2024318
Drugs named by CMS7
Total drug cost$7,941
Part D patients86

Dr. Willis' Part D claims by kind of drug, 2024

  • Generic267 claims84%
  • Brand-name51 claims16%

Dr. Willis' 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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2292024: 2478%

Drugs named by CMS: 7 in 2024, 9 in 2023.

See all prescribing by Dr. Willis

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

How Dr. Ashley E. Willis takes part in Medicare

Dr. Willis 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. Ashley E. Willis received $1,395 in industry payments from 2021 to 2025

CMS Open Payments shows 50 general payments to Dr. Willis from 13 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $282.

General payments to Dr. Willis by program year, 2021 to 2025

Companies that paid Dr. Willis the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Willis

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

Sources for Dr. Ashley E. Willis'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Dr. Ashley E. Willis

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. Ashley E. Willis' NPI number?

Dr. Ashley E. Willis' NPI number is 1841759032. It was assigned on March 18, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Ashley E. Willis?

Dr. Ashley E. Willis is an allergist and immunologist in Zachary, Louisiana. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Ashley E. Willis practice?

Dr. Willis practices at 6300 Main Street, Zachary, LA 70791. Dr. Willis' primary practice is Lane Regional Medical Center in Zachary, Louisiana, part of Franciscan Missionaries of Our Lady. Dmand AI also links Dr. Willis to 1 group practice or clinic.

What is Dr. Ashley E. Willis' office phone number?

The practice phone on file for Dr. Willis is (225) 658-4000.

What is Dr. Ashley E. Willis' medical license number?

Dr. Willis holds Louisiana license 340694.

Which hospitals is Dr. Ashley E. Willis affiliated with?

Dr. Willis practices at Lane Regional Medical Center in Zachary, Louisiana.

What medical group is Dr. Ashley E. Willis part of?

Dr. Willis is linked to Lane Regional Medical Center.

Does Dr. Ashley E. Willis accept Medicare?

Yes. CMS lists Dr. Willis as accepting Medicare assignment.

How many Medicare patients does Dr. Ashley E. Willis see?

CMS counts 14 Medicare patients who saw Dr. Willis in 2024, with an average age of 68.

What drugs does Dr. Ashley E. Willis prescribe most?

In 2024 Medicare Part D data, Dr. Willis' most prescribed drugs by claims were Azelastine HCl, Fluticasone Propionate and Montelukast Sodium.

Has Dr. Ashley E. Willis received payments from drug or device companies?

CMS Open Payments shows $1,395 in general payments to Dr. Willis from 13 companies from 2021 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.

How long has Dr. Ashley E. Willis been practicing?

Dr. Willis graduated from medical school in 2019, 7 years ago.

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