Dr. Graham A. Mercier, MD
- Medicare services, 2024
- 146
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 268
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 1230 Baxter Street, Athens, GA 30606
- Practice phone
- Call (706) 389-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mercier's professional email, personal email and mobile number
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Dr. Graham A. Mercier is a general surgeon in Athens, Georgia
Dr. Mercier practices at St. Mary's Hospital in Athens, Georgia, part of Trinity Health.
Dr. Mercier's NPI, 1730604331, was assigned on August 4, 2017. Dr. Mercier graduated from Medical University of South Carolina College of Medicine in 2018. Dr. Mercier holds Georgia license 96717.
- NPI
- 1730604331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305199084
- NPI enumeration date
- August 4, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 389-3000
- 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. Graham A. Mercier practices at St. Mary's Hospital in Athens, Georgia
Dr. Mercier's primary practice is St. Mary's Hospital, at 1230 Baxter Street, Athens, GA 30606 in Clarke County. The practice phone is (706) 389-3000.
- St. Mary's Hospital1230 Baxter Street, Athens, GA 30606 · Clarke CountyPhone(706) 389-3000
Source: Dmand AI Affiliation Data
Dr. Graham A. Mercier is affiliated with 4 sites of care and 1 medical group
Dr. Mercier's primary practice is St. Mary's Hospital in Athens, Georgia, part of Trinity Health. Dr. Mercier is also affiliated with St. Mary's Good Samaritan Hospital. The medical group on file is Oconee Heart and Vascular Center. Dmand AI also links Dr. Mercier to 1 more hospital and 1 group practice or clinic, 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. Graham A. Mercier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mercier practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Mary's Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Graham A. Mercier is one of 853 general surgeons in Georgia
Surgery is Dr. Mercier's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mercier is licensed in Georgia.
Specialties and state licenses
- Surgery, GeorgiaPrimary
General surgeons near Dr. Mercier
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. Graham A. Mercier billed Medicare for 146 services in 2024
CMS data shows 146 Medicare services from Dr. Mercier across 6 procedure codes in 2024, for 110 Medicare patients. Medicare paid $15,308 for them.
Dr. Mercier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 112024: 1331109%
- Surgery
- 2023: 02024: 13
Where Dr. Mercier's Medicare services took place, 2024
- In an office7048%
- In a facility7652%
Dr. Mercier compared with the Georgia median for general surgeons, 2024
- Dr. Mercier
- Georgia median
- Medicare services
- 146vs 150Close to median
- Medicare patients
- 110vs 109Close to median
- Part D claims
- 185vs 543.4 times
Medians across 789 general surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Mercier'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. Mercier?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mercier and other general surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Graham A. Mercier treated 110 Medicare patients in 2024, average age 73
CMS counts 110 Medicare patients who saw Dr. Mercier in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mercier's median patient age at 66, with 50% women.
Dr. Mercier's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mercier's Medicare patients by sex, 2024
- Women5550%
- Men5550%
Chronic conditions among Dr. Mercier's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis41%
- Ischemic heart disease35%
- Mood disorders28%
- Depression26%
- Anxiety25%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mercier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Graham A. Mercier wrote 268 Medicare Part D claims in 2024
In 2024, Dr. Mercier wrote 268 Medicare Part D claims for 92 patients. 99% of them were for generic drugs. CMS names the drug for 185 of them, across 8 drugs with 11 or more claims each, at $2,164 in total drug cost. In 2020, CMS named 28 claims across 1 drug.
Dr. Mercier's Part D claims by kind of drug, 2024
- Generic265 claims99%
- Brand-name and other3 claims1%
Dr. Mercier'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. Mercier's Part D claims, 2024
- Opioids24%65 of 268 claims
- Antibiotics12%32 of 268 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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 282024: 185561%
Drugs named by CMS: 8 in 2024, 1 in 2020.
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. Graham A. Mercier ranks in the 43rd percentile for colonoscopy in Medicare
Dr. Mercier accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of colonoscopy by Dr. Mercier, more than 43% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mercier ranks in Medicare procedure volume
- Colonoscopy
- 43rd percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Graham A. Mercier has 1 publication on record
Dmand AI links 1 paper to Dr. Mercier in 2021. Dr. Mercier's most frequent co-author is Christian John Streck, MD.
Dr. Mercier's most frequent co-authors
Recent publications by Dr. Mercier
See who Dr. Mercier researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mercier works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Graham A. Mercier received $2,418 in industry payments from 2018 to 2025
CMS Open Payments shows 27 general payments to Dr. Mercier from 15 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $1,179.
General payments to Dr. Mercier by program year, 2018 to 2025
General payments to Dr. Mercier by kind, 2018 to 2025
- Food and beverage$1,41859%
- Education$1,00041%
Companies that paid Dr. Mercier the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Graham A. Mercier graduated from Medical University of South Carolina College of Medicine
Dr. Mercier graduated from Medical University of South Carolina College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Graham A. Mercier'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Graham A. Mercier
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. Graham A. Mercier's NPI number?
Dr. Graham A. Mercier's NPI number is 1730604331. It was assigned on August 4, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Graham A. Mercier?
Dr. Graham A. Mercier is a general surgeon in Athens, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Graham A. Mercier practice?
Dr. Mercier practices at 1230 Baxter Street, Athens, GA 30606. Dr. Mercier's primary practice is St. Mary's Hospital in Athens, Georgia, part of Trinity Health. Dmand AI also links Dr. Mercier to 1 hospital and 1 group practice or clinic.
What is Dr. Graham A. Mercier's office phone number?
The practice phone on file for Dr. Mercier is (706) 389-3000.
What is Dr. Graham A. Mercier's medical license number?
Dr. Mercier holds Georgia license 96717.
Which hospitals is Dr. Graham A. Mercier affiliated with?
Dr. Mercier practices at St. Mary's Hospital in Athens, Georgia. Dr. Mercier is also affiliated with St. Mary's Good Samaritan Hospital. Dmand AI links Dr. Mercier to 1 more hospital.
What medical group is Dr. Graham A. Mercier part of?
Dr. Mercier is linked to Oconee Heart and Vascular Center.
Does Dr. Graham A. Mercier accept Medicare?
Yes. CMS data shows Dr. Mercier billed Medicare for 146 services in 2024, and Dr. Mercier accepts Medicare assignment.
How many Medicare patients does Dr. Graham A. Mercier see?
CMS counts 110 Medicare patients who saw Dr. Mercier in 2024, with an average age of 73.
What services does Dr. Graham A. Mercier bill to Medicare?
In 2024, Dr. Mercier's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and office visit, new patient (99204).
Show 6 more questionsShow fewer questions
Where did Dr. Graham A. Mercier go to medical school?
Dr. Mercier graduated from Medical University of South Carolina College of Medicine in 2018.
What drugs does Dr. Graham A. Mercier prescribe most?
In 2024 Medicare Part D data, Dr. Mercier's most prescribed drugs by claims were Oxycodone HCl, Ibuprofen and Methocarbamol.
Has Dr. Graham A. Mercier received payments from drug or device companies?
CMS Open Payments shows $2,418 in general payments to Dr. Mercier from 15 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Graham A. Mercier been practicing?
Dr. Mercier graduated from medical school in 2018, 8 years ago.
Does Dr. Graham A. Mercier do research?
Dmand AI links 1 publication to Dr. Mercier.
Who does Dr. Graham A. Mercier publish with?
Dr. Mercier's most frequent co-authors are Christian John Streck, MD (1 shared paper).
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