Duncan Allen Holaday II
- Medicare services, 2024
- 147
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 491
- MIPS score, 2024
- 80
- Hospital affiliations
- 1
- Practice address
- 1787 Allendale Fairfax Rd, Fairfax, SC 29827
- Practice phone
- Call (803) 632-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Duncan Holaday's professional email, personal email and mobile number
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Duncan Allen Holaday II is an emergency medicine physician in Fairfax, South Carolina
Duncan Holaday practices at Allendale County Hospital in Fairfax, South Carolina, part of Allendale County.
Duncan Holaday's NPI, 1447392550, was assigned on February 13, 2007. Duncan Holaday graduated from Virginia Commonwealth University, School of Medicine in 1992. Duncan Holaday holds South Carolina license 17480.
- NPI
- 1447392550NPI Registry (opens in a new tab)
- NPI enumeration date
- February 13, 2007
- NPI status
- Active
- Practice phone
- (803) 632-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Duncan Allen Holaday II practices at Allendale County Hospital in Fairfax, South Carolina
Duncan Holaday's primary practice is Allendale County Hospital, at 1787 Allendale Fairfax Rd, Fairfax, SC 29827 in Allendale County. The practice phone is (803) 632-3311.
- Allendale County Hospital1787 Allendale Fairfax Rd, Fairfax, SC 29827 · Allendale CountyPhone(803) 632-3311
Source: Dmand AI Affiliation Data
Duncan Allen Holaday II is affiliated with 2 sites of care and 4 medical groups
Duncan Holaday's primary practice is Allendale County Hospital in Fairfax, South Carolina, part of Allendale County. The medical group on file is MUSC Community Physicians. Dmand AI also links Duncan Holaday to 3 more medical groups and 1 group practice or clinic, each named with a free account. Duncan Holaday's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Duncan Allen Holaday II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Duncan Holaday practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allendale County Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Allendale County and 6.2K+ hospitals, with verified contacts in the same login.
Duncan Allen Holaday II is one of 1,026 emergency medicine physicians in South Carolina
Emergency medicine is Duncan Holaday's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Duncan Holaday is licensed in South Carolina.
Specialties and state licenses
- Emergency medicine, South CarolinaPrimary
Emergency medicine physicians near Duncan Holaday
Counts of emergency medicine physicians 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
Duncan Allen Holaday II billed Medicare for 147 services in 2024
CMS data shows 147 Medicare services from Duncan Holaday across 2 procedure codes in 2024, for 133 Medicare patients. Medicare paid $14,108 for them. Every service was in a facility, such as a hospital, rather than an office.
Duncan Holaday's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1632024: 14710%
Duncan Holaday compared with the South Carolina median for emergency medicine physicians, 2024
- Duncan Holaday
- South Carolina median
- Medicare services
- 147vs 36159% below
- Medicare patients
- 133vs 32459% below
- Part D claims
- 270vs 1072.5 times
Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Duncan Holaday'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Duncan Allen Holaday II treated 133 Medicare patients in 2024, average age 71
CMS counts 133 Medicare patients who saw Duncan Holaday in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Duncan Holaday's median patient age at 73, with 65% women.
Duncan Holaday's Medicare patients by age, 2024
Duncan Holaday's Medicare patients by sex, 2024
- Women7254%
- Men6146%
Chronic conditions among Duncan Holaday's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes45%
- Ischemic heart disease43%
- Mood disorders41%
- Anxiety37%
- COPD37%
Share of Medicare patients with each condition. A patient can have several.
Duncan Holaday'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
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Duncan Allen Holaday II wrote 491 Medicare Part D claims in 2024
In 2024, Duncan Holaday wrote 491 Medicare Part D claims for 240 patients. 96% of them were for generic drugs. CMS names the drug for 270 of them, across 12 drugs with 11 or more claims each, at $1,130 in total drug cost. In 2023, CMS named 318 claims across 16 drugs.
Duncan Holaday's Part D claims by kind of drug, 2024
- Generic469 claims96%
- Brand-name and other22 claims4%
Duncan Holaday'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 Duncan Holaday's Part D claims, 2024
- Opioids26%128 of 491 claims
- Antibiotics17%85 of 491 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: 3182024: 27015%
Drugs named by CMS: 12 in 2024, 16 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
Duncan Allen Holaday II scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Duncan Holaday for performance year 2024, reported as part of a group.
Duncan Holaday's MIPS scores, performance year 2024
- 80of 100Final score
- 64.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Duncan Allen Holaday II graduated from Virginia Commonwealth University, School of Medicine
Duncan Holaday graduated from Virginia Commonwealth University, School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Duncan Allen Holaday II'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 | Clinician Public Reporting: Overall MIPS Performance (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 Duncan Allen Holaday II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Duncan Allen Holaday II's NPI number?
Duncan Allen Holaday II's NPI number is 1447392550. It was assigned on February 13, 2007, and it is active in the NPI Registry.
What does Duncan Allen Holaday II specialize in?
Duncan Allen Holaday II is an emergency medicine physician in Fairfax, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Duncan Allen Holaday II practice?
Duncan Holaday practices at 1787 Allendale Fairfax Rd, Fairfax, SC 29827. Duncan Holaday's primary practice is Allendale County Hospital in Fairfax, South Carolina, part of Allendale County. Dmand AI also links Duncan Holaday to 3 medical groups and 1 group practice or clinic.
What is Duncan Allen Holaday II's office phone number?
The practice phone on file for Duncan Holaday is (803) 632-3311.
What is Duncan Allen Holaday II's medical license number?
Duncan Holaday holds South Carolina license 17480.
Which hospitals is Duncan Allen Holaday II affiliated with?
Duncan Holaday practices at Allendale County Hospital in Fairfax, South Carolina.
What medical group is Duncan Allen Holaday II part of?
Duncan Holaday is linked to MUSC Community Physicians. Dmand AI links Duncan Holaday to 3 more medical groups.
Does Duncan Allen Holaday II accept Medicare?
Yes. CMS data shows Duncan Holaday billed Medicare for 147 services in 2024.
What is Duncan Allen Holaday II's MIPS score?
Duncan Holaday's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Duncan Allen Holaday II see?
CMS counts 133 Medicare patients who saw Duncan Holaday in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Duncan Allen Holaday II bill to Medicare?
In 2024, Duncan Holaday's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Where did Duncan Allen Holaday II go to medical school?
Duncan Holaday graduated from Virginia Commonwealth University, School of Medicine in 1992.
What drugs does Duncan Allen Holaday II prescribe most?
In 2024 Medicare Part D data, Duncan Holaday's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Tramadol HCl and Prednisone.
How long has Duncan Allen Holaday II been practicing?
Duncan Holaday graduated from medical school in 1992, 34 years ago.
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