Dr. Davis Michael O'Brien, MD
- Part D claims, 2024
- 56
- Hospital affiliations
- 2
- Industry payments
- $1,751
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 3651 Wheeler Road, Augusta, GA 30909
- Practice phone
- Call (706) 651-6008
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien'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. Davis Michael O'Brien is a general surgeon in Augusta, Georgia
Dr. O'Brien practices at Doctors Hospital in Augusta, Georgia, part of HCA Healthcare.
Dr. O'Brien's NPI, 1265095129, was assigned on April 17, 2019. Dr. O'Brien holds Georgia license 10819.
- NPI
- 1265095129NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971838905
- NPI enumeration date
- April 17, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 651-6008
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Davis Michael O'Brien practices at Doctors Hospital in Augusta, Georgia
Dr. O'Brien's primary practice is Doctors Hospital, at 3651 Wheeler Road, Augusta, GA 30909 in Richmond County. The practice phone is (706) 651-6008.
- Doctors Hospital3651 Wheeler Road, Augusta, GA 30909 · Richmond CountyPhone(706) 651-6008
Source: Dmand AI Affiliation Data
Dr. Davis Michael O'Brien is affiliated with 2 sites of care
Dr. O'Brien's primary practice is Doctors Hospital in Augusta, Georgia, part of HCA Healthcare. Dmand AI also links Dr. O'Brien to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Davis Michael O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doctors Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Davis Michael O'Brien is one of 853 general surgeons in Georgia
Surgery is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. O'Brien is licensed in Georgia.
Specialties and state licenses
- Surgery, GeorgiaPrimary
General surgeons near Dr. O'Brien
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. Davis Michael O'Brien's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 73, with 56% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Davis Michael O'Brien wrote 56 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 56 Medicare Part D claims for 27 patients. 96% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $112 in total drug cost. In 2021, CMS named 35 claims across 2 drugs.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic54 claims96%
- Brand-name and other2 claims4%
Dr. O'Brien'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. O'Brien's Part D claims, 2024
- Opioids30%17 of 56 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 352024: 2237%
Drugs named by CMS: 2 in 2024, 2 in 2021.
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. Davis Michael O'Brien takes part in Medicare
Dr. O'Brien 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. Davis Michael O'Brien received $1,751 in industry payments from 2021 to 2025
CMS Open Payments shows 20 general payments to Dr. O'Brien from 13 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $856.
General payments to Dr. O'Brien by program year, 2021 to 2025
Companies that paid Dr. O'Brien the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Davis Michael O'Brien'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) |
| 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. Davis Michael O'Brien
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. Davis Michael O'Brien's NPI number?
Dr. Davis Michael O'Brien's NPI number is 1265095129. It was assigned on April 17, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Davis Michael O'Brien?
Dr. Davis Michael O'Brien is a general surgeon in Augusta, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Davis Michael O'Brien practice?
Dr. O'Brien practices at 3651 Wheeler Road, Augusta, GA 30909. Dr. O'Brien's primary practice is Doctors Hospital in Augusta, Georgia, part of HCA Healthcare. Dmand AI also links Dr. O'Brien to 1 hospital.
What is Dr. Davis Michael O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (706) 651-6008.
What is Dr. Davis Michael O'Brien's medical license number?
Dr. O'Brien holds Georgia license 10819.
Which hospitals is Dr. Davis Michael O'Brien affiliated with?
Dr. O'Brien practices at Doctors Hospital in Augusta, Georgia. Dmand AI links Dr. O'Brien to 1 more hospital.
Does Dr. Davis Michael O'Brien accept Medicare?
Yes. CMS lists Dr. O'Brien as accepting Medicare assignment.
What drugs does Dr. Davis Michael O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Gabapentin and Oxycodone HCl.
Has Dr. Davis Michael O'Brien received payments from drug or device companies?
CMS Open Payments shows $1,751 in general payments to Dr. O'Brien from 13 companies from 2021 to 2025. The largest total came from Kerecis Limited.
How long has Dr. Davis Michael O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2019.
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