Dr. Zachary Scott Williams, MD
- Medicare services, 2024
- 645
- Medicare patients, 2024
- 395
- Part D claims, 2024
- 359
- Hospital affiliations
- 4
- Industry payments
- $157
- Practice address
- 1900 Electric Road, Salem, VA 24153
- Practice phone
- Call (540) 776-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Zachary Scott Williams is an emergency medicine physician in Salem, Virginia
Dr. Williams practices at LewisGale Medical Center in Salem, Virginia, part of HCA Healthcare.
Dr. Williams' NPI, 1265939433, was assigned on April 12, 2018. Dr. Williams graduated from Brody School of Medicine at East Carolina University in 2018. Dr. Williams holds Virginia license 0101268881.
- NPI
- 1265939433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517215726
- NPI enumeration date
- April 12, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 776-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary Scott Williams practices at LewisGale Medical Center in Salem, Virginia
Dr. Williams' primary practice is LewisGale Medical Center, at 1900 Electric Road, Salem, VA 24153 in Salem City. The practice phone is (540) 776-4100.
- LewisGale Medical Center1900 Electric Road, Salem, VA 24153 · Salem CityPhone(540) 776-4100
Source: Dmand AI Affiliation Data
Dr. Zachary Scott Williams is affiliated with 4 sites of care and 9 medical groups
Dr. Williams' primary practice is LewisGale Medical Center in Salem, Virginia, part of HCA Healthcare. Dr. Williams is also affiliated with Carilion Roanoke Memorial Hospital. The medical group on file is Carilion Clinic. Dmand AI also links Dr. Williams to 2 more hospitals and 8 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zachary Scott Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| LewisGale Medical Center | Available with a free account |
| +3 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary Scott Williams is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Williams is licensed in Virginia.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
Emergency medicine physicians near Dr. Williams
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
Dr. Zachary Scott Williams billed Medicare for 645 services in 2024
CMS data shows 645 Medicare services from Dr. Williams across 4 procedure codes in 2024, for 395 Medicare patients. Medicare paid $48,641 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5732024: 39331%
- Tests and treatments
- 2023: 2382024: 2526%
Dr. Williams compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Williams
- Virginia median
- Medicare services
- 645vs 3112.1 times
- Medicare patients
- 395vs 30729% above
- Part D claims
- 205vs 593.5 times
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Williams' 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. Zachary Scott Williams treated 395 Medicare patients in 2024, average age 75
CMS counts 395 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 138 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.66, 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. Williams' median patient age at 56, with 59% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women21855%
- Men17745%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Anxiety43%
- Mood disorders43%
- Ischemic heart disease42%
- Diabetes41%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary Scott Williams wrote 359 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 359 Medicare Part D claims for 204 patients. 97% of them were for generic drugs. CMS names the drug for 205 of them, across 7 drugs with 11 or more claims each, at $1,191 in total drug cost. In 2023, CMS named 143 claims across 7 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic347 claims97%
- Brand-name12 claims3%
Dr. Williams' 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. Williams' Part D claims, 2024
- Opioids16%58 of 359 claims
- Antibiotics35%127 of 359 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: 1432024: 20543%
Drugs named by CMS: 7 in 2024, 7 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
How Dr. Zachary Scott Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Zachary Scott Williams received $157 in industry payments from 2018 to 2025
CMS Open Payments shows 2 general payments to Dr. Williams from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $139.
General payments to Dr. Williams by program year, 2018 to 2025
Companies that paid Dr. Williams the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zachary Scott Williams graduated from Brody School of Medicine at East Carolina University
Dr. Williams graduated from Brody School of Medicine at East Carolina University in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Zachary Scott Williams'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Zachary Scott Williams
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 Scott Williams' NPI number?
Dr. Zachary Scott Williams' NPI number is 1265939433. It was assigned on April 12, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary Scott Williams?
Dr. Zachary Scott Williams is an emergency medicine physician in Salem, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Zachary Scott Williams practice?
Dr. Williams practices at 1900 Electric Road, Salem, VA 24153. Dr. Williams' primary practice is LewisGale Medical Center in Salem, Virginia, part of HCA Healthcare. Dmand AI also links Dr. Williams to 2 hospitals and 8 medical groups.
What is Dr. Zachary Scott Williams' office phone number?
The practice phone on file for Dr. Williams is (540) 776-4100.
What is Dr. Zachary Scott Williams' medical license number?
Dr. Williams holds Virginia license 0101268881.
Which hospitals is Dr. Zachary Scott Williams affiliated with?
Dr. Williams practices at LewisGale Medical Center in Salem, Virginia. Dr. Williams is also affiliated with Carilion Roanoke Memorial Hospital. Dmand AI links Dr. Williams to 2 more hospitals.
What medical group is Dr. Zachary Scott Williams part of?
Dr. Williams is linked to Carilion Clinic. Dmand AI links Dr. Williams to 8 more medical groups.
Does Dr. Zachary Scott Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 645 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Zachary Scott Williams see?
CMS counts 395 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
What services does Dr. Zachary Scott Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. Zachary Scott Williams go to medical school?
Dr. Williams graduated from Brody School of Medicine at East Carolina University in 2018.
What drugs does Dr. Zachary Scott Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Oxycodone HCl, Cephalexin and Prednisone.
Has Dr. Zachary Scott Williams received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Dr. Williams from 2 companies from 2018 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Zachary Scott Williams been practicing?
Dr. Williams graduated from medical school in 2018, 8 years ago.
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