Dr. William Douglas Gerull, MD
- Part D claims, 2024
- 19
- Industry payments
- $353
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Barnes-Jewish Hospital
Saint Louis, Missouri
Find Dr. Gerull'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 Douglas Gerull is a general surgeon in Saint Louis, Missouri
Dr. Gerull practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
Dr. Gerull's NPI, 1487270302, was assigned on June 17, 2020. Dr. Gerull holds Missouri license 2020018224.
- NPI
- 1487270302NPI Registry (opens in a new tab)
- NPI enumeration date
- June 17, 2020
- NPI status
- Active
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Douglas Gerull practices at Barnes-Jewish Hospital in Saint Louis, Missouri
Dr. Gerull's primary practice is Barnes-Jewish Hospital, at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-3000.
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Douglas Gerull is affiliated with 1 site of care
Dr. Gerull's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Douglas Gerull's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerull practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Douglas Gerull is one of 593 general surgeons in Missouri
Surgery is Dr. Gerull's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gerull is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Gerull
Counts of general surgeons 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 Douglas Gerull wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Gerull wrote 19 Medicare Part D claims for 18 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $50 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. Gerull'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.
Drug classes CMS tracks in Dr. Gerull's Part D claims, 2024
- Opioids74%14 of 19 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 122024: 1417%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. William Douglas Gerull received $353 in industry payments from 2020 to 2025
CMS Open Payments shows 7 general payments to Dr. Gerull from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $135.
General payments to Dr. Gerull by program year, 2020 to 2025
Companies that paid Dr. Gerull the most, 2020 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 Douglas Gerull'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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 Douglas Gerull
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 Douglas Gerull's NPI number?
Dr. William Douglas Gerull's NPI number is 1487270302. It was assigned on June 17, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. William Douglas Gerull?
Dr. William Douglas Gerull is a general surgeon in Saint Louis, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William Douglas Gerull practice?
Dr. Gerull practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Gerull's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri.
What is Dr. William Douglas Gerull's office phone number?
The practice phone on file for Dr. Gerull is (314) 747-3000.
What is Dr. William Douglas Gerull's medical license number?
Dr. Gerull holds Missouri license 2020018224.
What drugs does Dr. William Douglas Gerull prescribe most?
In 2024 Medicare Part D data, Dr. Gerull's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. William Douglas Gerull received payments from drug or device companies?
CMS Open Payments shows $353 in general payments to Dr. Gerull from 6 companies from 2020 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. William Douglas Gerull been practicing?
Dr. Gerull's NPI was assigned in 2020.
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