Dr. John Daniel Markley Jr., DO
- Part D claims, 2016
- 26
- Publications
- 1
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 727 North Main Street, Emporia, VA 23847
- Practice phone
- Call (434) 348-4400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markley'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. John Daniel Markley Jr. is an infectious disease specialist in Emporia, Virginia
Dr. Markley practices at Bon Secours Southern Virginia Medical Center in Emporia, Virginia, part of Bon Secours Mercy Health.
Dr. Markley's NPI, 1831397538, was assigned on July 5, 2007. Dr. Markley holds Virginia license 0102202582.
- NPI
- 1831397538NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2007
- NPI status
- Active
- Practice phone
- (434) 348-4400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Daniel Markley Jr. practices at Bon Secours Southern Virginia Medical Center in Emporia, Virginia
Dr. Markley's primary practice is Bon Secours Southern Virginia Medical Center, at 727 North Main Street, Emporia, VA 23847 in Emporia City. The practice phone is (434) 348-4400.
- Bon Secours Southern Virginia Medical Center727 North Main Street, Emporia, VA 23847 · Emporia CityPhone(434) 348-4400
Source: Dmand AI Affiliation Data
Dr. John Daniel Markley Jr. is affiliated with 1 site of care
Dr. Markley's primary practice is Bon Secours Southern Virginia Medical Center in Emporia, Virginia, part of Bon Secours Mercy Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Daniel Markley Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markley practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bon Secours Southern Virginia Medical Center | 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 Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Daniel Markley Jr. is one of 210 infectious disease specialists in Virginia
Infectious disease is Dr. Markley's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Markley is licensed in Virginia.
Specialties and state licenses
- Infectious disease, VirginiaPrimary
Infectious disease specialists near Dr. Markley
Counts of infectious disease specialists 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. John Daniel Markley Jr.'s patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Markley's median patient age at 70, with 11% women.
Dr. Markley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women11%
- Men88%
Source: Dmand AI Patient Panel Data
Dr. John Daniel Markley Jr. wrote 26 Medicare Part D claims in 2016
In 2016, Dr. Markley wrote 26 Medicare Part D claims. They cover 2 drugs, with $52,334 in total drug cost.
Dr. Markley's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Daniel Markley Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Markley in 2012. Dr. Markley's most frequent co-authors are Pranavkumar K. Dalal, MD and Gautam Mukund Phadke, MD.
Dr. Markley's most frequent co-authors
Recent publications by Dr. Markley
See who Dr. Markley researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Markley works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. John Daniel Markley Jr.'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Daniel Markley Jr.
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. John Daniel Markley Jr.'s NPI number?
Dr. John Daniel Markley Jr.'s NPI number is 1831397538. It was assigned on July 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Daniel Markley Jr.?
Dr. John Daniel Markley Jr. is an infectious disease specialist in Emporia, Virginia. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. John Daniel Markley Jr. practice?
Dr. Markley practices at 727 North Main Street, Emporia, VA 23847. Dr. Markley's primary practice is Bon Secours Southern Virginia Medical Center in Emporia, Virginia, part of Bon Secours Mercy Health.
What is Dr. John Daniel Markley Jr.'s office phone number?
The practice phone on file for Dr. Markley is (434) 348-4400.
What is Dr. John Daniel Markley Jr.'s medical license number?
Dr. Markley holds Virginia license 0102202582.
Which hospitals is Dr. John Daniel Markley Jr. affiliated with?
Dr. Markley practices at Bon Secours Southern Virginia Medical Center in Emporia, Virginia.
What drugs does Dr. John Daniel Markley Jr. prescribe most?
In 2016 Medicare Part D data, Dr. Markley's most prescribed drugs by claims were Triumeq and Truvada.
How long has Dr. John Daniel Markley Jr. been practicing?
Dr. Markley's NPI was assigned in 2007.
Does Dr. John Daniel Markley Jr. do research?
Dmand AI links 1 publication to Dr. Markley.
Who does Dr. John Daniel Markley Jr. publish with?
Dr. Markley's most frequent co-authors are Pranavkumar K. Dalal, MD (1 shared paper) and Gautam Mukund Phadke, MD (1 shared paper).
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