Dr. Karen Lynn Williams, MD
- Medicare services, 2024
- 211
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 226
- Hospital affiliations
- 1
- Industry payments
- $23
- Practice address
- 640 Jackson Street, Saint Paul, MN 55101
- Practice phone
- Call (651) 254-1616
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karen Lynn Williams is an internist in Saint Paul, Minnesota
Dr. Williams practices at Regions Hospital in Saint Paul, Minnesota, part of HealthPartners.
Dr. Williams' NPI, 1477731271, was assigned on February 4, 2008. Dr. Williams graduated from University of Wisconsin School of Medicine in 2004. Dr. Williams holds Minnesota license 51826.
- NPI
- 1477731271NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325194327
- NPI enumeration date
- February 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (651) 254-1616
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen Lynn Williams practices at Regions Hospital in Saint Paul, Minnesota
Dr. Williams' primary practice is Regions Hospital, at 640 Jackson Street, Saint Paul, MN 55101 in Ramsey County. The practice phone is (651) 254-1616.
- Regions Hospital640 Jackson Street, Saint Paul, MN 55101 · Ramsey CountyPhone(651) 254-1616
Source: Dmand AI Affiliation Data
Dr. Karen Lynn Williams is affiliated with 1 site of care and 1 medical group
Dr. Williams' primary practice is Regions Hospital in Saint Paul, Minnesota, part of HealthPartners. The medical group on file is HealthPartners.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen Lynn Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regions Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen Lynn Williams is one of 2,322 internists in Minnesota
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Williams' licenses on file in 2 states: Minnesota and Wisconsin.
Specialties and state licenses
- Internal medicine, MinnesotaPrimary
- Wisconsin license
Internists near Dr. Williams
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. Karen Lynn Williams billed Medicare for 211 services in 2024
CMS data shows 211 Medicare services from Dr. Williams across 3 procedure codes in 2024, for 78 Medicare patients. Medicare paid $18,662 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: 2342024: 21110%
Dr. Williams compared with the Minnesota median for internists, 2024
- Dr. Williams
- Minnesota median
- Medicare services
- 211vs 33637% below
- Medicare patients
- 78vs 14847% below
- Part D claims
- 62vs 14457% below
Medians across 2,238 internists in Minnesota 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other internists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen Lynn Williams treated 78 Medicare patients in 2024, average age 72
CMS counts 78 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.67, 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 70, with 50% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women3849%
- Men4051%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Ischemic heart disease54%
- Chronic kidney disease53%
- Diabetes47%
- Arthritis46%
- Heart failure46%
- Mood disorders45%
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 70
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen Lynn Williams wrote 226 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 226 Medicare Part D claims for 49 patients. 93% of them were for generic drugs. CMS names the drug for 62 of them, across 4 drugs with 11 or more claims each, at $730 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic210 claims93%
- Brand-name16 claims7%
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
- Antibiotics6%13 of 226 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: 442024: 6241%
Drugs named by CMS: 4 in 2024, 3 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. Karen Lynn 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. Karen Lynn Williams received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Williams from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $23.
Companies that paid Dr. Williams the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen Lynn Williams graduated from University of Wisconsin School of Medicine
Dr. Williams graduated from University of Wisconsin School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen Lynn 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. Karen Lynn 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. Karen Lynn Williams' NPI number?
Dr. Karen Lynn Williams' NPI number is 1477731271. It was assigned on February 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen Lynn Williams?
Dr. Karen Lynn Williams is an internist in Saint Paul, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen Lynn Williams practice?
Dr. Williams practices at 640 Jackson Street, Saint Paul, MN 55101. Dr. Williams' primary practice is Regions Hospital in Saint Paul, Minnesota, part of HealthPartners.
What is Dr. Karen Lynn Williams' office phone number?
The practice phone on file for Dr. Williams is (651) 254-1616.
What is Dr. Karen Lynn Williams' medical license number?
Dr. Williams holds Minnesota license 51826, one of the licenses on file in 2 states.
Which states has Dr. Karen Lynn Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Minnesota and Wisconsin.
Which hospitals is Dr. Karen Lynn Williams affiliated with?
Dr. Williams practices at Regions Hospital in Saint Paul, Minnesota.
What medical group is Dr. Karen Lynn Williams part of?
Dr. Williams is linked to HealthPartners.
Does Dr. Karen Lynn Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 211 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Karen Lynn Williams see?
CMS counts 78 Medicare patients who saw Dr. Williams in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Karen Lynn Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
Where did Dr. Karen Lynn Williams go to medical school?
Dr. Williams graduated from University of Wisconsin School of Medicine in 2004.
What drugs does Dr. Karen Lynn Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Lisinopril, Clopidogrel and Metoprolol Succinate.
Has Dr. Karen Lynn Williams received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Williams from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Karen Lynn Williams been practicing?
Dr. Williams graduated from medical school in 2004, 22 years ago.
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