Celiac DiseaseMalabsorption SyndromesNexvax2
Dr. Robert John Holmes, MD
NPI1306803234PAC ID1850463001
- Medicare services, 2024
- 563
- Medicare patients, 2024
- 393
- Part D claims, 2024
- 1,159
- Clinical trials
- 4
- MIPS score, 2024
- 90
- Practice address
- 1830 S Hawthorne Rd, Winston Salem, NC 27103
- Practice phone
- Call (336) 448-2427
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Associates of the Piedmont PA
Winston Salem, North Carolina
Find Dr. Holmes' 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. Robert John Holmes is a gastroenterologist in Winston Salem, North Carolina
Dr. Holmes practices at Gastroenterology Associates of the Piedmont PA in Winston Salem, North Carolina.
Dr. Holmes' NPI, 1306803234, was assigned on April 26, 2006. Dr. Holmes graduated from University of Texas Southwestern Medical School at Dallas in 1990. Dr. Holmes holds North Carolina license 9600138.
NPI and contact details
- NPI
- 1306803234NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850463001
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (336) 448-2427
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert John Holmes practices at Gastroenterology Associates of the Piedmont PA in Winston Salem, North Carolina
Dr. Holmes' primary practice is Gastroenterology Associates of the Piedmont PA, at 1830 S Hawthorne Rd, Winston Salem, NC 27103 in Forsyth County. The practice phone is (336) 448-2427.
- Gastroenterology Associates of the Piedmont PA1830 S Hawthorne Rd, Winston Salem, NC 27103 · Forsyth CountyPhone(336) 448-2427
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert John Holmes is affiliated with 3 sites of care and 1 medical group
Dr. Holmes' primary practice is Gastroenterology Associates of the Piedmont PA in Winston Salem, North Carolina. Dr. Holmes is also affiliated with Novant Health Forsyth Medical Center. The medical group on file is Gastroenterology Associates of the Piedmont, P.A. Dmand AI also links Dr. Holmes to 1 more group practice or clinic, named with a free account.
Gastroenterology Associates of the Piedmont PAPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert John Holmes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holmes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Associates of the Piedmont PA | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert John Holmes is one of 590 gastroenterologists in North Carolina
Gastroenterology is Dr. Holmes' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Holmes is licensed in North Carolina.
Specialties and state licenses
- Gastroenterology, North CarolinaPrimary
Gastroenterologists near Dr. Holmes
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. Robert John Holmes billed Medicare for 563 services in 2024
CMS data shows 563 Medicare services from Dr. Holmes across 11 procedure codes in 2024, for 393 Medicare patients. Medicare paid $59,881 for them.
Medicare services, 2024563
Medicare patients393
Paid by Medicare$59,881
Procedure codes11
Dr. Holmes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3262024: 3173%
- Office and hospital visits
- 2023: 2372024: 2236%
- Other services
- 2023: 212024: 2310%
Where Dr. Holmes' Medicare services took place, 2024
- In an office19535%
- In a facility36865%
Dr. Holmes compared with the North Carolina median for gastroenterologists, 2024
- Dr. Holmes
- North Carolina median
- Medicare services
- 563vs 43829% above
- Medicare patients
- 393vs 26847% above
- Part D claims
- 962vs 4022.4 times
Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Holmes' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holmes and other gastroenterologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert John Holmes treated 393 Medicare patients in 2024, average age 73
CMS counts 393 Medicare patients who saw Dr. Holmes in 2024. The largest group is 65 to 74, with 229 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Holmes' median patient age at 71, with 59% women.
Medicare patients, 2024393
Average age73
Average risk score1.20
Also on Medicaid3%
Dr. Holmes' Medicare patients by age, 2024
Dr. Holmes' Medicare patients by sex, 2024
- Women21154%
- Men18246%
Chronic conditions among Dr. Holmes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes31%
- Mood disorders29%
- Depression28%
- Anxiety27%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holmes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert John Holmes wrote 1,159 Medicare Part D claims in 2024
In 2024, Dr. Holmes wrote 1,159 Medicare Part D claims for 333 patients. 81% of them were for generic drugs. CMS names the drug for 962 of them, across 30 drugs with 11 or more claims each, at $596,495 in total drug cost. In 2023, CMS named 1,060 claims across 28 drugs.
Part D claims, 20241,159
Drugs named by CMS30
Total drug cost$596,495
Part D patients333
Dr. Holmes' Part D claims by kind of drug, 2024
- Generic943 claims81%
- Brand-name and other216 claims19%
Dr. Holmes' 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. Holmes' Part D claims, 2024
- Opioids3%33 of 1,159 claims
- Antibiotics4%43 of 1,159 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0602024: 9629%
Drugs named by CMS: 30 in 2024, 28 in 2023.
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. Robert John Holmes scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Holmes for performance year 2024, reported as part of a group. Dr. Holmes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 143 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Holmes, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Holmes' MIPS scores, performance year 2024
- 90of 100Final score
- 87.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Holmes ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 84th percentile143 procedures
- Colonoscopy
- 76th percentile86 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert John Holmes has worked on 4 clinical trials
Dmand AI links Dr. Holmes to 4 clinical trials, 3 of them phase 2 studies. Conditions studied include Colitis, Ulcerative, Colitis and Celiac Disease. Open Payments lists research payments to Dr. Holmes that name 1 trial.
Clinical trials with Dr. Holmes by phase
- 1Phase 1: 1 trial
- 3Phase 2: 3 trials
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Holmes' trials
- Colitis, Ulcerative
- Colitis
- Celiac Disease
- Gastroparesis
- Malabsorption Syndromes
Investigators on the most trials with Dr. Holmes
- George W. James, MD2 shared trials
- Thomas Lyman Abell, MD1 shared trial
- Maria Teresa Abreu, MD1 shared trial
Recent clinical trials with Dr. Holmes
Colitis, UlcerativeColitisSER-287Vancomycin Pre-Treat
A Study of Mirikizumab (LY3074828) in Participants With Moderate to Severe Ulcerative Colitis (opens in a new tab)
CompletedPhase 2
$2,261 in research paymentsColitis, UlcerativeColitisMirikizumab
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert John Holmes received $10,175 in industry payments from 2016 to 2025
CMS Open Payments shows 536 general payments to Dr. Holmes from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Abbvie Inc. paid the most, $1,636. It also lists 2 research payments totaling $2,261 from 2016 to 2017, naming 1 clinical trial.
General payments to Dr. Holmes by program year, 2016 to 2025
General payments to Dr. Holmes by kind, 2016 to 2025
$10.2Kin total
- Food and beverage$8,81387%
- Travel and lodging$9419%
- Gifts$1501%
- Education$1141%
- Other$1572%
Companies that paid Dr. Holmes 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. Robert John Holmes graduated from University of Texas Southwestern Medical School at Dallas
Dr. Holmes graduated from University of Texas Southwestern Medical School at Dallas in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert John Holmes's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert John Holmes
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. Robert John Holmes' NPI number?
Dr. Robert John Holmes' NPI number is 1306803234. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert John Holmes?
Dr. Robert John Holmes is a gastroenterologist in Winston Salem, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert John Holmes practice?
Dr. Holmes practices at 1830 S Hawthorne Rd, Winston Salem, NC 27103. Dr. Holmes' primary practice is Gastroenterology Associates of the Piedmont PA in Winston Salem, North Carolina. Dmand AI also links Dr. Holmes to 1 group practice or clinic.
What is Dr. Robert John Holmes' office phone number?
The practice phone on file for Dr. Holmes is (336) 448-2427.
What is Dr. Robert John Holmes' medical license number?
Dr. Holmes holds North Carolina license 9600138.
Which hospitals is Dr. Robert John Holmes affiliated with?
Dr. Holmes is affiliated with Novant Health Forsyth Medical Center.
What medical group is Dr. Robert John Holmes part of?
Dr. Holmes is linked to Gastroenterology Associates of the Piedmont, P.A.
Does Dr. Robert John Holmes accept Medicare?
Yes. CMS data shows Dr. Holmes billed Medicare for 563 services in 2024, and Dr. Holmes accepts Medicare assignment.
What is Dr. Robert John Holmes' MIPS score?
Dr. Holmes' MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert John Holmes see?
CMS counts 393 Medicare patients who saw Dr. Holmes in 2024, with an average age of 73.
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What services does Dr. Robert John Holmes bill to Medicare?
In 2024, Dr. Holmes' most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Robert John Holmes go to medical school?
Dr. Holmes graduated from University of Texas Southwestern Medical School at Dallas in 1990.
What drugs does Dr. Robert John Holmes prescribe most?
In 2024 Medicare Part D data, Dr. Holmes' most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Dicyclomine HCl.
Has Dr. Robert John Holmes received payments from drug or device companies?
CMS Open Payments shows $10,175 in general payments to Dr. Holmes from 48 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Robert John Holmes been practicing?
Dr. Holmes graduated from medical school in 1990, 36 years ago.
Does Dr. Robert John Holmes do research?
Dr. Holmes has worked on 4 clinical trials.
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