Dr. William B. Landry III, MD
- Medicare services, 2024
- 122
- Medicare patients, 2024
- 230
- Hospital affiliations
- 3
- Industry payments
- $619
- Medical groups
- 10
- Practice address
- 15200 Community Road, Gulfport, MS 39503
- Practice phone
- Call (228) 575-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Landry's 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. William B. Landry III is an anesthesiologist in Gulfport, Mississippi
Dr. Landry practices at Singing River Gulfport in Gulfport, Mississippi, part of State of Mississippi.
Dr. Landry's NPI, 1689864100, was assigned on July 31, 2007. Dr. Landry graduated from Tulane University School of Medicine in 2006. Dr. Landry holds Louisiana license MD.201686.
- NPI
- 1689864100NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355473273
- NPI enumeration date
- July 31, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (228) 575-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William B. Landry III practices at Singing River Gulfport in Gulfport, Mississippi
Dr. Landry's primary practice is Singing River Gulfport, at 15200 Community Road, Gulfport, MS 39503 in Harrison County. The practice phone is (228) 575-7000.
- Singing River Gulfport15200 Community Road, Gulfport, MS 39503 · Harrison CountyPhone(228) 575-7000
Source: Dmand AI Affiliation Data
Dr. William B. Landry III is affiliated with 8 sites of care and 10 medical groups
Dr. Landry's primary practice is Singing River Gulfport in Gulfport, Mississippi, part of State of Mississippi. Dr. Landry is also affiliated with Pascagoula Hospital. The medical group on file is Ochsner Health. Dmand AI also links Dr. Landry to 1 more hospital, 9 medical groups, 4 group practices and clinics and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William B. Landry III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Landry practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Singing River Gulfport | Available with a free account |
| +7 more sites and 9 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William B. Landry III is one of 226 anesthesiologists in Mississippi
Anesthesiology is Dr. Landry's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Landry is licensed in Louisiana.
Specialties and state licenses
- Anesthesiology, LouisianaPrimary
Anesthesiologists near Dr. Landry
Counts of anesthesiologists 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. William B. Landry III billed Medicare for 122 services in 2024
CMS data shows 122 Medicare services from Dr. Landry across 5 procedure codes in 2024, for 230 Medicare patients. Medicare paid $6,054 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Landry's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Anesthesia
- 2021: 02024: 122
- Imaging
- 2021: 112024: 0100%
Dr. Landry compared with the Mississippi median for anesthesiologists, 2024
- Dr. Landry
- Mississippi median
- Medicare services
- 122vs 16727% below
- Medicare patients
- 230vs 238Close to median
Medians across 248 anesthesiologists in Mississippi with Dmand AI profiles that report each measure.
Dr. Landry's 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.
Need commercial claims for Dr. Landry?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Landry and other anesthesiologists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William B. Landry III treated 230 Medicare patients in 2024, average age 71
CMS counts 230 Medicare patients who saw Dr. Landry in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Landry's median patient age at 70, with 55% women.
Dr. Landry's Medicare patients by age, 2024
Dr. Landry's Medicare patients by sex, 2024
- Women12052%
- Men11048%
Chronic conditions among Dr. Landry's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease33%
- Anxiety32%
- Chronic kidney disease32%
- Diabetes32%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Landry's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. William B. Landry III takes part in Medicare
Dr. Landry 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)
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Dr. William B. Landry III received $619 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Landry from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $125.
General payments to Dr. Landry by program year, 2016 to 2025
Companies that paid Dr. Landry the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William B. Landry III graduated from Tulane University School of Medicine
Dr. Landry graduated from Tulane University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William B. Landry III'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. William B. Landry III
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. William B. Landry III's NPI number?
Dr. William B. Landry III's NPI number is 1689864100. It was assigned on July 31, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. William B. Landry III?
Dr. William B. Landry III is an anesthesiologist in Gulfport, Mississippi. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William B. Landry III practice?
Dr. Landry practices at 15200 Community Road, Gulfport, MS 39503. Dr. Landry's primary practice is Singing River Gulfport in Gulfport, Mississippi, part of State of Mississippi. Dmand AI also links Dr. Landry to 1 hospital, 9 medical groups, 4 group practices and clinics and 1 hospital outpatient department.
What is Dr. William B. Landry III's office phone number?
The practice phone on file for Dr. Landry is (228) 575-7000.
What is Dr. William B. Landry III's medical license number?
Dr. Landry holds Louisiana license MD.201686.
Which hospitals is Dr. William B. Landry III affiliated with?
Dr. Landry practices at Singing River Gulfport in Gulfport, Mississippi. Dr. Landry is also affiliated with Pascagoula Hospital. Dmand AI links Dr. Landry to 1 more hospital.
What medical group is Dr. William B. Landry III part of?
Dr. Landry is linked to Ochsner Health. Dmand AI links Dr. Landry to 9 more medical groups.
Does Dr. William B. Landry III accept Medicare?
Yes. CMS data shows Dr. Landry billed Medicare for 122 services in 2024, and Dr. Landry accepts Medicare assignment.
How many Medicare patients does Dr. William B. Landry III see?
CMS counts 230 Medicare patients who saw Dr. Landry in 2024, with an average age of 71.
What services does Dr. William B. Landry III bill to Medicare?
In 2024, Dr. Landry's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00813).
Show 3 more questionsShow fewer questions
Where did Dr. William B. Landry III go to medical school?
Dr. Landry graduated from Tulane University School of Medicine in 2006.
Has Dr. William B. Landry III received payments from drug or device companies?
CMS Open Payments shows $619 in general payments to Dr. Landry from 11 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. William B. Landry III been practicing?
Dr. Landry graduated from medical school in 2006, 20 years ago.
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