Dr. Jenna Alise Williamson, MD
- Medicare services, 2024
- 789
- Medicare patients, 2024
- 240
- Part D claims, 2024
- 270
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 1415 Kincaid Street, Mount Vernon, WA 98274
- Practice phone
- Call (360) 424-4111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jenna Alise Williamson is an internist in Mount Vernon, Washington
Dr. Williamson practices at Skagit Valley Hospital in Mount Vernon, Washington, part of Skagit Regional Health.
Dr. Williamson's NPI, 1891315149, was assigned on April 16, 2020. Dr. Williamson graduated from University of Washington School of Medicine in 2020. Dr. Williamson holds Washington license MD61423056.
- NPI
- 1891315149NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234599481
- NPI enumeration date
- April 16, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 424-4111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jenna Alise Williamson practices at Skagit Valley Hospital in Mount Vernon, Washington
Dr. Williamson's primary practice is Skagit Valley Hospital, at 1415 Kincaid Street, Mount Vernon, WA 98274 in Skagit County. The practice phone is (360) 424-4111.
- Skagit Valley Hospital1415 Kincaid Street, Mount Vernon, WA 98274 · Skagit CountyPhone(360) 424-4111
Source: Dmand AI Affiliation Data
Dr. Jenna Alise Williamson is affiliated with 3 sites of care and 2 medical groups
Dr. Williamson's primary practice is Skagit Valley Hospital in Mount Vernon, Washington, part of Skagit Regional Health. Dr. Williamson is also affiliated with Island Health. The medical group on file is Sound Physicians. Dmand AI also links Dr. Williamson to 1 more community health center and 1 medical group, 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. Jenna Alise Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Skagit Valley Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Skagit Regional Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jenna Alise Williamson is one of 2,689 internists in Washington
Internal medicine is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williamson is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Williamson
Counts of internists 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. Jenna Alise Williamson billed Medicare for 789 services in 2024
CMS data shows 789 Medicare services from Dr. Williamson across 5 procedure codes in 2024, for 240 Medicare patients. Medicare paid $58,476 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
- Office and hospital visits
- 2023: 2682024: 789194%
Dr. Williamson compared with the Washington median for internists, 2024
- Dr. Williamson
- Washington median
- Medicare services
- 789vs 3642.2 times
- Medicare patients
- 240vs 16545% above
- Part D claims
- 58vs 18268% below
Medians across 2,604 internists in Washington 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jenna Alise Williamson treated 240 Medicare patients in 2024, average age 76
CMS counts 240 Medicare patients who saw Dr. Williamson in 2024. The largest group is 75 to 84, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.26, 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. Williamson's median patient age at 73, with 49% women.
Dr. Williamson's Medicare patients by age, 2024
Dr. Williamson's Medicare patients by sex, 2024
- Women10644%
- Men13456%
Chronic conditions among Dr. Williamson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure54%
- Ischemic heart disease53%
- Arthritis48%
- Atrial fibrillation47%
- Chronic kidney disease38%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jenna Alise Williamson wrote 270 Medicare Part D claims in 2024
In 2024, Dr. Williamson wrote 270 Medicare Part D claims for 117 patients. 90% of them were for generic drugs. CMS names the drug for 58 of them, across 4 drugs with 11 or more claims each, at $590 in total drug cost. In 2023, CMS named 396 claims across 19 drugs.
Dr. Williamson's Part D claims by kind of drug, 2024
- Generic244 claims90%
- Brand-name26 claims10%
Dr. Williamson's 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. Williamson's Part D claims, 2024
- Opioids5%14 of 270 claims
- Antibiotics11%31 of 270 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: 3962024: 5885%
Drugs named by CMS: 4 in 2024, 19 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. Jenna Alise Williamson takes part in Medicare
Dr. Williamson 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. Jenna Alise Williamson graduated from University of Washington School of Medicine
Dr. Williamson graduated from University of Washington School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jenna Alise 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 | 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) |
| 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. Jenna Alise 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. Jenna Alise Williamson's NPI number?
Dr. Jenna Alise Williamson's NPI number is 1891315149. It was assigned on April 16, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Jenna Alise Williamson?
Dr. Jenna Alise Williamson is an internist in Mount Vernon, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jenna Alise Williamson practice?
Dr. Williamson practices at 1415 Kincaid Street, Mount Vernon, WA 98274. Dr. Williamson's primary practice is Skagit Valley Hospital in Mount Vernon, Washington, part of Skagit Regional Health. Dmand AI also links Dr. Williamson to 1 community health center and 1 medical group.
What is Dr. Jenna Alise Williamson's office phone number?
The practice phone on file for Dr. Williamson is (360) 424-4111.
What is Dr. Jenna Alise Williamson's medical license number?
Dr. Williamson holds Washington license MD61423056.
Which hospitals is Dr. Jenna Alise Williamson affiliated with?
Dr. Williamson practices at Skagit Valley Hospital in Mount Vernon, Washington. Dr. Williamson is also affiliated with Island Health.
What medical group is Dr. Jenna Alise Williamson part of?
Dr. Williamson is linked to Sound Physicians. Dmand AI links Dr. Williamson to 1 more medical group.
Does Dr. Jenna Alise Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 789 services in 2024, and Dr. Williamson accepts Medicare assignment.
How many Medicare patients does Dr. Jenna Alise Williamson see?
CMS counts 240 Medicare patients who saw Dr. Williamson in 2024, with an average age of 76.
What services does Dr. Jenna Alise Williamson bill to Medicare?
In 2024, Dr. Williamson's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Jenna Alise Williamson go to medical school?
Dr. Williamson graduated from University of Washington School of Medicine in 2020.
What drugs does Dr. Jenna Alise Williamson prescribe most?
In 2024 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Metoprolol Succinate, Pantoprazole Sodium and Losartan Potassium.
How long has Dr. Jenna Alise Williamson been practicing?
Dr. Williamson graduated from medical school in 2020, 6 years ago.
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