Dr. Fred Spencer Willis Sr., MD
- Part D claims, 2024
- 106
- Hospital affiliations
- 1
- Industry payments
- $153
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1541 Kings Highway, Shreveport, LA 71130
- Practice phone
- Call (318) 675-5058
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Willis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Fred Spencer Willis Sr. is a family medicine physician in Shreveport, Louisiana
Dr. Willis practices at Ochsner LSU Health - Academic Medical Center in Shreveport, Louisiana, part of Ochsner Health System.
Dr. Willis' NPI, 1245441005, was assigned on May 24, 2007. Dr. Willis graduated from Louisiana State University School of Medicine in 1964. Dr. Willis holds Louisiana license 009828.
- NPI
- 1245441005NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Practice phone
- (318) 675-5058
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Fred Spencer Willis Sr. practices at Ochsner LSU Health - Academic Medical Center in Shreveport, Louisiana
Dr. Willis' primary practice is Ochsner LSU Health - Academic Medical Center, at 1541 Kings Highway, Shreveport, LA 71130 in Caddo Parish. The practice phone is (318) 675-5058.
- Ochsner LSU Health - Academic Medical Center1541 Kings Highway, Shreveport, LA 71130 · Caddo ParishPhone(318) 675-5058
Source: Dmand AI Affiliation Data
Dr. Fred Spencer Willis Sr. is affiliated with 1 site of care
Dr. Willis' primary practice is Ochsner LSU Health - Academic Medical Center in Shreveport, Louisiana, part of Ochsner Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Fred Spencer Willis Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ochsner LSU Health - Academic Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ochsner Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Fred Spencer Willis Sr. is one of 1,606 family medicine physicians in Louisiana
Family medicine is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Willis is licensed in Louisiana.
Specialties and state licenses
- Family medicine, LouisianaPrimary
Family medicine physicians near Dr. Willis
Counts of family medicine 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. Fred Spencer Willis Sr.'s patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Willis' median patient age at 53, with 58% women.
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 53
Patient panel by sex, all payers
- Women58%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Fred Spencer Willis Sr. wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Willis wrote 106 Medicare Part D claims for 19 patients. 96% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $297 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Willis' Part D claims by kind of drug, 2024
- Generic102 claims96%
- Brand-name and other4 claims4%
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: 132024: 39200%
Drugs named by CMS: 3 in 2024, 1 in 2023.
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
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Dr. Fred Spencer Willis Sr. received $153 in industry payments from 2017 to 2024
CMS Open Payments shows 4 general payments to Dr. Willis from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $107.
General payments to Dr. Willis by program year, 2017 to 2024
Companies that paid Dr. Willis the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Fred Spencer Willis Sr. graduated from Louisiana State University School of Medicine
Dr. Willis graduated from Louisiana State University School of Medicine in 1964.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Fred Spencer Willis Sr.'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Fred Spencer Willis Sr.
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. Fred Spencer Willis Sr.'s NPI number?
Dr. Fred Spencer Willis Sr.'s NPI number is 1245441005. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Fred Spencer Willis Sr.?
Dr. Fred Spencer Willis Sr. is a family medicine physician in Shreveport, Louisiana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Fred Spencer Willis Sr. practice?
Dr. Willis practices at 1541 Kings Highway, Shreveport, LA 71130. Dr. Willis' primary practice is Ochsner LSU Health - Academic Medical Center in Shreveport, Louisiana, part of Ochsner Health System.
What is Dr. Fred Spencer Willis Sr.'s office phone number?
The practice phone on file for Dr. Willis is (318) 675-5058.
What is Dr. Fred Spencer Willis Sr.'s medical license number?
Dr. Willis holds Louisiana license 009828.
Which hospitals is Dr. Fred Spencer Willis Sr. affiliated with?
Dr. Willis practices at Ochsner LSU Health - Academic Medical Center in Shreveport, Louisiana.
Where did Dr. Fred Spencer Willis Sr. go to medical school?
Dr. Willis graduated from Louisiana State University School of Medicine in 1964.
What drugs does Dr. Fred Spencer Willis Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Willis' most prescribed drugs by claims were Zolpidem Tartrate, Gabapentin and Alprazolam.
Has Dr. Fred Spencer Willis Sr. received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to Dr. Willis from 4 companies from 2017 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Fred Spencer Willis Sr. been practicing?
Dr. Willis graduated from medical school in 1964, 62 years ago.
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