Dr. William Kennedy Oelsner Jr., MD
- Part D claims, 2024
- 249
- Hospital affiliations
- 3
- Industry payments
- $340
- Medical group
- 1
- State license
- 1
- Practice address
- 1 Independence Plaza Ste 410, Birmingham, AL 35209
- Practice phone
- Call (205) 271-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Birmingham Gastroenterology Associates
Clinical Lab - Full Service · Birmingham, Alabama
Find Dr. Oelsner'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 Kennedy Oelsner Jr. is a gastroenterologist in Birmingham, Alabama
Dr. Oelsner practices at Birmingham Gastroenterology Associates in Birmingham, Alabama.
Dr. Oelsner's NPI, 1760989339, was assigned on April 10, 2018. Dr. Oelsner holds Alabama license MD.50778.
- NPI
- 1760989339NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103175047
- NPI enumeration date
- April 10, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (205) 271-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Kennedy Oelsner Jr. practices at Birmingham Gastroenterology Associates in Birmingham, Alabama
Dr. Oelsner's primary practice is Birmingham Gastroenterology Associates, at 1 Independence Plaza Ste 410, Birmingham, AL 35209. The practice phone is (205) 271-8000.
- Birmingham Gastroenterology Associates1 Independence Plaza Ste 410, Birmingham, AL 35209Phone(205) 271-8000
Source: Dmand AI Affiliation Data
Dr. William Kennedy Oelsner Jr. is affiliated with 5 sites of care and 1 medical group
Dr. Oelsner's primary practice is Birmingham Gastroenterology Associates in Birmingham, Alabama. Dr. Oelsner is also affiliated with Grandview Medical Center. The medical group on file is Birmingham Gastroenterology Associates. Dmand AI also links Dr. Oelsner to 2 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Oelsner's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Kennedy Oelsner Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oelsner practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Birmingham Gastroenterology Associates | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Kennedy Oelsner Jr. is one of 206 gastroenterologists in Alabama
Gastroenterology is Dr. Oelsner's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Oelsner is licensed in Alabama.
Specialties and state licenses
- Gastroenterology, AlabamaPrimary
Gastroenterologists near Dr. Oelsner
Counts of gastroenterologists 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 Kennedy Oelsner Jr.'s patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Oelsner's median patient age at 58, with 57% women.
Dr. Oelsner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. William Kennedy Oelsner Jr. wrote 249 Medicare Part D claims in 2024
In 2024, Dr. Oelsner wrote 249 Medicare Part D claims for 72 patients. 84% of them were for generic drugs. CMS names the drug for 159 of them, across 7 drugs with 11 or more claims each, at $16,877 in total drug cost.
Dr. Oelsner's Part D claims by kind of drug, 2024
- Generic208 claims84%
- Brand-name41 claims16%
Dr. Oelsner's 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.
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
Dr. William Kennedy Oelsner Jr. ranks in the 80th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Oelsner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 118 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Oelsner, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Oelsner ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile118 procedures
- Colonoscopy
- 72nd percentile72 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Kennedy Oelsner Jr. received $340 in industry payments in 2025
CMS Open Payments shows 13 general payments to Dr. Oelsner from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $68.
Companies that paid Dr. Oelsner the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Kennedy Oelsner Jr.'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. William Kennedy Oelsner Jr.
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 Kennedy Oelsner Jr.'s NPI number?
Dr. William Kennedy Oelsner Jr.'s NPI number is 1760989339. It was assigned on April 10, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. William Kennedy Oelsner Jr.?
Dr. William Kennedy Oelsner Jr. is a gastroenterologist in Birmingham, Alabama. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. William Kennedy Oelsner Jr. practice?
Dr. Oelsner practices at 1 Independence Plaza Ste 410, Birmingham, AL 35209. Dr. Oelsner's primary practice is Birmingham Gastroenterology Associates in Birmingham, Alabama. Dmand AI also links Dr. Oelsner to 2 hospitals and 1 group practice or clinic.
What is Dr. William Kennedy Oelsner Jr.'s office phone number?
The practice phone on file for Dr. Oelsner is (205) 271-8000.
What is Dr. William Kennedy Oelsner Jr.'s medical license number?
Dr. Oelsner holds Alabama license MD.50778.
Which hospitals is Dr. William Kennedy Oelsner Jr. affiliated with?
Dr. Oelsner is affiliated with Grandview Medical Center. Dmand AI links Dr. Oelsner to 2 more hospitals.
What medical group is Dr. William Kennedy Oelsner Jr. part of?
Dr. Oelsner is linked to Birmingham Gastroenterology Associates.
Does Dr. William Kennedy Oelsner Jr. accept Medicare?
Yes. CMS lists Dr. Oelsner as accepting Medicare assignment.
What drugs does Dr. William Kennedy Oelsner Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Oelsner's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Esomeprazole Magnesium.
Has Dr. William Kennedy Oelsner Jr. received payments from drug or device companies?
CMS Open Payments shows $340 in general payments to Dr. Oelsner from 11 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. William Kennedy Oelsner Jr. been practicing?
Dr. Oelsner graduated from medical school in 2018, 8 years ago.
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