Biological TransportCardiac CatheterizationHeart Failure
Dr. Roy Vance Markham, MD
NPI1922098532
- Part D claims, 2024
- 167
- Publications
- 4
- Industry payments
- $15
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 2400 Hospital Dr, Bossier City, LA 71111-2385
- Practice phone
- Call (318) 798-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Markham'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. Roy Vance Markham is a cardiologist in Bossier City, Louisiana
Dr. Markham practices in Bossier City, Louisiana.
Dr. Markham's NPI, 1922098532, was assigned on October 25, 2005. Dr. Markham graduated from Baylor College Of Medicine in 1976. Dr. Markham holds Louisiana license MD.05815R.
NPI and contact details
- NPI
- 1922098532NPI Registry (opens in a new tab)
- NPI enumeration date
- October 25, 2005
- NPI status
- Active
- Practice phone
- (318) 798-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Roy Vance Markham's practice address is in Bossier City, Louisiana
Dr. Markham's practice address in the NPI Registry is 2400 Hospital Dr, Bossier City, LA 71111-2385. The practice phone is (318) 798-9400.
- NPI Registry address2400 Hospital Dr, Bossier City, LA 71111-2385Phone(318) 798-9400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Roy Vance Markham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Markham's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roy Vance Markham is one of 269 cardiologists in Louisiana
Cardiovascular disease is Dr. Markham's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Markham is licensed in Louisiana.
Specialties and state licenses
- Cardiovascular disease, LouisianaPrimary
Cardiologists near Dr. Markham
Counts of cardiologists 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. Roy Vance Markham's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Markham's median patient age at 41, with 0% women.
Dr. Markham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Roy Vance Markham wrote 167 Medicare Part D claims in 2024
In 2024, Dr. Markham wrote 167 Medicare Part D claims. 80% of them were for generic drugs. CMS names the drug for 71 of them, across 5 drugs with 11 or more claims each, at $16,259 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Part D claims, 2024167
Drugs named by CMS5
Total drug cost$16,259
Dr. Markham's Part D claims by kind of drug, 2024
- Generic134 claims80%
- Brand-name33 claims20%
Dr. Markham'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. Markham's Part D claims, 2024
- Antipsychotics, patients 65 and over8%13 of 167 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: 122024: 71492%
Drugs named by CMS: 5 in 2024, 1 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
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Dr. Roy Vance Markham has 4 publications on record
Dmand AI links 4 papers to Dr. Markham. Dr. Markham's most frequent co-author is Timothy Rae Chappell, MD.
Papers4
Dr. Markham's most frequent co-authors
Recent publications by Dr. Markham
See who Dr. Markham researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Markham works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Roy Vance Markham received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Markham from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $15.
Companies that paid Dr. Markham the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Roy Vance Markham graduated from Baylor College Of Medicine
Dr. Markham graduated from Baylor College Of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roy Vance Markham'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 |
| 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) |
| 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. Roy Vance Markham
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. Roy Vance Markham's NPI number?
Dr. Roy Vance Markham's NPI number is 1922098532. It was assigned on October 25, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Roy Vance Markham?
Dr. Roy Vance Markham is a cardiologist in Bossier City, Louisiana. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Roy Vance Markham practice?
Dr. Markham practices at 2400 Hospital Dr, Bossier City, LA 71111-2385.
What is Dr. Roy Vance Markham's office phone number?
The practice phone on file for Dr. Markham is (318) 798-9400.
What is Dr. Roy Vance Markham's medical license number?
Dr. Markham holds Louisiana license MD.05815R.
Where did Dr. Roy Vance Markham go to medical school?
Dr. Markham graduated from Baylor College Of Medicine in 1976.
What drugs does Dr. Roy Vance Markham prescribe most?
In 2024 Medicare Part D data, Dr. Markham's most prescribed drugs by claims were Bupropion XL, Indapamide and Aripiprazole.
Has Dr. Roy Vance Markham received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Markham from 1 company from 2025 to 2025. The largest total came from Philips Electronics North America Corporation.
How long has Dr. Roy Vance Markham been practicing?
Dr. Markham graduated from medical school in 1976, 50 years ago.
Does Dr. Roy Vance Markham do research?
Dmand AI links 4 publications to Dr. Markham.
Who does Dr. Roy Vance Markham publish with?
Dr. Markham's most frequent co-authors are Timothy Rae Chappell, MD (1 shared paper).
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