Dr. Nicholas Frank Marko, MD
- Medicare services, 2024
- 126
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 18
- Publications
- 40
- Hospital affiliations
- 3
- Practice address
- 1942 Braeburn Cir, Salem, VA 24153
- Practice phone
- Call (540) 772-3671
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lewis Gale Physicians
Salem, Virginia
Find Dr. Marko'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. Nicholas Frank Marko is a neurosurgeon in Salem, Virginia
Dr. Marko practices at Lewis Gale Physicians in Salem, Virginia.
Dr. Marko's NPI, 1114199791, was assigned on March 24, 2008. Dr. Marko graduated from George Washington University School of Medicine in 2005. Dr. Marko holds Virginia license 0101267159.
- NPI
- 1114199791NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476718669
- NPI enumeration date
- March 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 772-3671
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Frank Marko practices at Lewis Gale Physicians in Salem, Virginia
Dr. Marko's primary practice is Lewis Gale Physicians, at 1942 Braeburn Cir, Salem, VA 24153 in Salem County. The practice phone is (540) 772-3671.
- Lewis Gale Physicians1942 Braeburn Cir, Salem, VA 24153 · Salem CountyPhone(540) 772-3671
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nicholas Frank Marko is affiliated with 5 sites of care and 2 medical groups
Dr. Marko's primary practice is Lewis Gale Physicians in Salem, Virginia. Dr. Marko is also affiliated with LewisGale Medical Center. The medical group on file is LewisGale Physicians. Dmand AI also links Dr. Marko to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nicholas Frank Marko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marko practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lewis Gale Physicians | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Frank Marko is one of 166 neurosurgeons in Virginia
Neurological surgery is Dr. Marko's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Marko's licenses on file in 3 states: Virginia, Ohio and Pennsylvania.
Specialties and state licenses
- Neurological surgery, VirginiaPrimary
- Ohio license
- Pennsylvania license
Neurosurgeons near Dr. Marko
Counts of neurosurgeons 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. Nicholas Frank Marko billed Medicare for 126 services in 2024
CMS data shows 126 Medicare services from Dr. Marko across 6 procedure codes in 2024, for 112 Medicare patients. Medicare paid $13,096 for them.
Dr. Marko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1842024: 11538%
- Surgery
- 2023: 112024: 11No change
Where Dr. Marko's Medicare services took place, 2024
- In an office8870%
- In a facility3830%
Dr. Marko compared with the Virginia median for neurosurgeons, 2024
- Dr. Marko
- Virginia median
- Medicare services
- 126vs 32061% below
- Medicare patients
- 112vs 22250% below
- Part D claims
- 15vs 3050% below
Medians across 151 neurosurgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Marko'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
Dr. Nicholas Frank Marko treated 112 Medicare patients in 2024, average age 72
CMS counts 112 Medicare patients who saw Dr. Marko in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marko's median patient age at 65, with 55% women.
Dr. Marko's Medicare patients by age, 2024
Dr. Marko's Medicare patients by sex, 2024
- Women5347%
- Men5953%
Chronic conditions among Dr. Marko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis72%
- Anxiety47%
- Mood disorders41%
- Diabetes39%
- Depression37%
- Stroke or TIA33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas Frank Marko wrote 18 Medicare Part D claims in 2024
In 2024, Dr. Marko wrote 18 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $175 in total drug cost. In 2020, CMS named 41 claims across 2 drugs.
Dr. Marko's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 412022: 1563%
Drugs named by CMS: 1 in 2022, 2 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. Nicholas Frank Marko ranks in the 42nd percentile for spinal fusion in Medicare
Dr. Marko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of spinal fusion by Dr. Marko, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Marko ranks in Medicare procedure volume
- Spinal fusion
- 42nd percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Laminectomy or laminotomy (partial removal of spine bones): 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)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nicholas Frank Marko has 40 publications on record
Dmand AI links 40 papers to Dr. Marko, published from 2009 to 2019. 2012 was the busiest year, with 6. The most frequent topics are Brain Neoplasms, Radiosurgery and Comparative Effectiveness Research. Dr. Marko has published most often in J Clin Neurosci. Dr. Marko's most frequent co-authors are Robert John Weil, MD, Gene Henry Barnett, MD and Samuel T. Chao, MD.
Dr. Marko's papers by year, 2009 to 2019
Topics Dr. Marko writes about most
- Brain Neoplasms
- Radiosurgery
- Comparative Effectiveness Research
- Neurosurgical Procedures
- Pituitary Neoplasms
- Algorithms
- Cost-Benefit Analysis
- Glioma
Dr. Marko's most frequent co-authors
- Robert John Weil, MD27 shared papers
- Gene Henry Barnett, MD5 shared papers
- Samuel T. Chao, MD4 shared papers
Recent publications by Dr. Marko
AMIA Annu Symp Proc
See who Dr. Marko researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marko works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Frank Marko received $51,913 in industry payments from 2016 to 2025
CMS Open Payments shows 159 general payments to Dr. Marko from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 39% of the total. GlaxoSmithKline, LLC. paid the most, $32,669.
General payments to Dr. Marko by program year, 2016 to 2025
General payments to Dr. Marko by kind, 2016 to 2025
- Consulting fees$20,47339%
- Travel and lodging$19,88438%
- Food and beverage$6,12912%
- Honoraria$4,3008%
- Education$1,1272%
Companies that paid Dr. Marko 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. Nicholas Frank Marko graduated from George Washington University School of Medicine
Dr. Marko graduated from George Washington University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Frank Marko'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Nicholas Frank Marko
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. Nicholas Frank Marko's NPI number?
Dr. Nicholas Frank Marko's NPI number is 1114199791. It was assigned on March 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Frank Marko?
Dr. Nicholas Frank Marko is a neurosurgeon in Salem, Virginia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Nicholas Frank Marko practice?
Dr. Marko practices at 1942 Braeburn Cir, Salem, VA 24153. Dr. Marko's primary practice is Lewis Gale Physicians in Salem, Virginia. Dmand AI also links Dr. Marko to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Nicholas Frank Marko's office phone number?
The practice phone on file for Dr. Marko is (540) 772-3671.
What is Dr. Nicholas Frank Marko's medical license number?
Dr. Marko holds Virginia license 0101267159, one of the licenses on file in 3 states.
Which states has Dr. Nicholas Frank Marko been licensed in?
Dmand AI has state licenses on file for Dr. Marko in Virginia, Ohio and Pennsylvania.
Which hospitals is Dr. Nicholas Frank Marko affiliated with?
Dr. Marko is affiliated with LewisGale Medical Center. Dmand AI links Dr. Marko to 2 more hospitals.
What medical group is Dr. Nicholas Frank Marko part of?
Dr. Marko is linked to LewisGale Physicians. Dmand AI links Dr. Marko to 1 more medical group.
Does Dr. Nicholas Frank Marko accept Medicare?
Yes. CMS data shows Dr. Marko billed Medicare for 126 services in 2024, and Dr. Marko accepts Medicare assignment.
How many Medicare patients does Dr. Nicholas Frank Marko see?
CMS counts 112 Medicare patients who saw Dr. Marko in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Nicholas Frank Marko bill to Medicare?
In 2024, Dr. Marko's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Nicholas Frank Marko go to medical school?
Dr. Marko graduated from George Washington University School of Medicine in 2005.
What drugs does Dr. Nicholas Frank Marko prescribe most?
In 2022 Medicare Part D data, Dr. Marko's most prescribed drugs by claims were Cyclobenzaprine HCl.
Has Dr. Nicholas Frank Marko received payments from drug or device companies?
CMS Open Payments shows $51,913 in general payments to Dr. Marko from 19 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Nicholas Frank Marko been practicing?
Dr. Marko graduated from medical school in 2005, 21 years ago.
Does Dr. Nicholas Frank Marko do research?
Dmand AI links 40 publications to Dr. Marko, published from 2009 to 2019.
Who does Dr. Nicholas Frank Marko publish with?
Dr. Marko's most frequent co-authors are Robert John Weil, MD (27 shared papers), Gene Henry Barnett, MD (5 shared papers) and Samuel T. Chao, MD (4 shared papers).
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