Dr. Evon Anthony Williamson, MD
- Medicare services, 2024
- 11
- Medicare patients, 2024
- 51
- Industry payments
- $47
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 1310 Southern SE Ave, Washington, DC 20032
- Practice phone
- Call (202) 574-6611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
United Medical Center
Washington, District of Columbia
Find Dr. Williamson'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. Evon Anthony Williamson is an anesthesiologist in Washington, District of Columbia
Dr. Williamson practices at United Medical Center in Washington, District of Columbia.
Dr. Williamson's NPI, 1942308812, was assigned on September 21, 2006. Dr. Williamson holds District of Columbia license MD035511.
- NPI
- 1942308812NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (202) 574-6611
- 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 Practice Data
Dr. Evon Anthony Williamson practices at United Medical Center in Washington, District of Columbia
Dr. Williamson's primary practice is United Medical Center, at 1310 Southern SE Ave, Washington, DC 20032 in District Of Columbia County. The practice phone is (202) 574-6611.
- United Medical Center1310 Southern SE Ave, Washington, DC 20032 · District Of Columbia CountyPhone(202) 574-6611
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Evon Anthony Williamson is affiliated with 3 sites of care and 2 medical groups
Dr. Williamson's primary practice is United Medical Center in Washington, District of Columbia. The medical group on file is Northrium. Dmand AI also links Dr. Williamson to 2 more group practices and clinics 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. Evon Anthony Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| United Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Evon Anthony Williamson is one of 229 anesthesiologists in District of Columbia
Anesthesiology is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Williamson is licensed in District of Columbia.
Specialties and state licenses
- Anesthesiology, District of ColumbiaPrimary
Anesthesiologists near Dr. Williamson
Counts of anesthesiologists 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. Evon Anthony Williamson billed Medicare for 11 services in 2024
CMS data shows 11 Medicare services from Dr. Williamson across 1 procedure code in 2024, for 51 Medicare patients. Medicare paid $1,484 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williamson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 392024: 1172%
Dr. Williamson compared with the District of Columbia median for anesthesiologists, 2024
- Dr. Williamson
- District of Columbia median
- Medicare services
- 11vs 8988% below
- Medicare patients
- 51vs 15768% below
Medians across 205 anesthesiologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Williamson'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.
Need commercial claims for Dr. Williamson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williamson and other anesthesiologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Evon Anthony Williamson treated 51 Medicare patients in 2024, average age 67
CMS counts 51 Medicare patients who saw Dr. Williamson in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 76% are also on Medicaid. Their average risk score is 4.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williamson's Medicare patients by sex, 2024
- Women2957%
- Men2243%
Chronic conditions among Dr. Williamson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Diabetes65%
- Mood disorders53%
- Chronic kidney disease51%
- Heart failure45%
- Ischemic heart disease45%
- Arthritis43%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Evon Anthony Williamson received $47 in industry payments in 2019
CMS Open Payments shows 3 general payments to Dr. Williamson from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $47.
Companies that paid Dr. Williamson the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Evon Anthony Williamson'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 | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Evon Anthony Williamson
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. Evon Anthony Williamson's NPI number?
Dr. Evon Anthony Williamson's NPI number is 1942308812. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Evon Anthony Williamson?
Dr. Evon Anthony Williamson is an anesthesiologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Evon Anthony Williamson practice?
Dr. Williamson practices at 1310 Southern SE Ave, Washington, DC 20032. Dr. Williamson's primary practice is United Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Williamson to 2 group practices and clinics and 1 medical group.
What is Dr. Evon Anthony Williamson's office phone number?
The practice phone on file for Dr. Williamson is (202) 574-6611.
What is Dr. Evon Anthony Williamson's medical license number?
Dr. Williamson holds District of Columbia license MD035511.
What medical group is Dr. Evon Anthony Williamson part of?
Dr. Williamson is linked to Northrium. Dmand AI links Dr. Williamson to 1 more medical group.
Does Dr. Evon Anthony Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 11 services in 2024.
How many Medicare patients does Dr. Evon Anthony Williamson see?
CMS counts 51 Medicare patients who saw Dr. Williamson in 2024, with an average age of 67.
What services does Dr. Evon Anthony Williamson bill to Medicare?
In 2024, Dr. Williamson's most billed Medicare services were anesthesia (00731).
Has Dr. Evon Anthony Williamson received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Williamson from 1 company from 2019 to 2019. The largest total came from Abbott Laboratories.
How long has Dr. Evon Anthony Williamson been practicing?
Dr. Williamson's NPI was assigned in 2006.
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