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Dr. Zachary Kiernan, MD
NPI1003473299
- Part D claims, 2020
- 15
- Publications
- 3
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 1840 Amherst St, Winchester, VA 22601
- Practice phone
- Call (540) 536-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kiernan's professional email, personal email and mobile number
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Dr. Zachary Kiernan is a general surgeon in Winchester, Virginia
Dr. Kiernan practices at Winchester Medical Center in Winchester, Virginia, part of Valley Health.
Dr. Kiernan's NPI, 1003473299, was assigned on May 22, 2019. Dr. Kiernan holds Virginia license 0116032548.
NPI and contact details
- NPI
- 1003473299NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2019
- NPI status
- Active
- Practice phone
- (540) 536-8000
- 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. Zachary Kiernan practices at Winchester Medical Center in Winchester, Virginia
Dr. Kiernan's primary practice is Winchester Medical Center, at 1840 Amherst St, Winchester, VA 22601 in Winchester City. The practice phone is (540) 536-8000.
- Winchester Medical Center1840 Amherst St, Winchester, VA 22601 · Winchester CityPhone(540) 536-8000
Source: Dmand AI Affiliation Data
Dr. Zachary Kiernan is affiliated with 1 site of care
Dr. Kiernan's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zachary Kiernan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kiernan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary Kiernan is one of 739 general surgeons in Virginia
Surgery is Dr. Kiernan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kiernan is licensed in Virginia.
Specialties and state licenses
- Surgery, VirginiaPrimary
General surgeons near Dr. Kiernan
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
739general surgeons in Virginia38general surgeons in Winchester26general surgeons at Winchester Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zachary Kiernan's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Kiernan's median patient age at 59, with 67% women.
Dr. Kiernan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Zachary Kiernan wrote 15 Medicare Part D claims in 2020
In 2020, Dr. Kiernan wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $53 in total drug cost.
Part D claims, 202015
Drugs named by CMS1
Total drug cost$53
Dr. Kiernan's most prescribed drugs by claims, 2020
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
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Dr. Zachary Kiernan has 3 publications on record
Dmand AI links 3 papers to Dr. Kiernan, published from 2023 to 2025. The most frequent topics are Myocardial Infarction and Myocardium. Dr. Kiernan's most frequent co-authors are Mohammed A. Quader, MD, Abhishek Chaturvedi, MD and Keyur Shah, MD.
Papers3
Years published2023 to 2025
Dr. Kiernan's papers by year, 2023 to 2025
Topics Dr. Kiernan writes about most
- Myocardial Infarction
- Myocardium
Dr. Kiernan's most frequent co-authors
- Mohammed A. Quader, MD3 shared papers
- Abhishek Chaturvedi, MD1 shared paper
- Keyur Shah, MD1 shared paper
Recent publications by Dr. Kiernan
CyclosporineDisease Models, AnimalMyocardial Infarction
See who Dr. Kiernan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kiernan works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Zachary Kiernan'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. Zachary Kiernan
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. Zachary Kiernan's NPI number?
Dr. Zachary Kiernan's NPI number is 1003473299. It was assigned on May 22, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary Kiernan?
Dr. Zachary Kiernan is a general surgeon in Winchester, Virginia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Zachary Kiernan practice?
Dr. Kiernan practices at 1840 Amherst St, Winchester, VA 22601. Dr. Kiernan's primary practice is Winchester Medical Center in Winchester, Virginia, part of Valley Health.
What is Dr. Zachary Kiernan's office phone number?
The practice phone on file for Dr. Kiernan is (540) 536-8000.
What is Dr. Zachary Kiernan's medical license number?
Dr. Kiernan holds Virginia license 0116032548.
Which hospitals is Dr. Zachary Kiernan affiliated with?
Dr. Kiernan practices at Winchester Medical Center in Winchester, Virginia.
What drugs does Dr. Zachary Kiernan prescribe most?
In 2020 Medicare Part D data, Dr. Kiernan's most prescribed drugs by claims were Oxycodone HCl.
How long has Dr. Zachary Kiernan been practicing?
Dr. Kiernan's NPI was assigned in 2019.
Does Dr. Zachary Kiernan do research?
Dmand AI links 3 publications to Dr. Kiernan, published from 2023 to 2025.
Who does Dr. Zachary Kiernan publish with?
Dr. Kiernan's most frequent co-authors are Mohammed A. Quader, MD (3 shared papers), Abhishek Chaturvedi, MD (1 shared paper) and Keyur Shah, MD (1 shared paper).
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