Doctor profile · Federal record
Dr. Karen Williams, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Saint Paul, MN
- NPI 1477731271
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
640 Jackson St
Saint Paul, MN 551012502
(651) 254-3456 - Mailing address
-
Po Box 1309, MS 21110Q
Minneapolis, MN 554401309
Credentials & registration
- NPI registered
- February 2008 — 18 yrs on file
- Profile last updated
- December 7, 2016
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Minnesota #51826 · Wisconsin #63103-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477731271. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
234
Distinct HCPCS
3
Medicare allowed
$25,200
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 149 | 49 | $116 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 43 | 20 | $77 | |
99239 |
Hospital discharge day management, more than 30 minutes | 42 | 42 | $111 |
In context: peer comparison
Among 83 peers in this city , average services per provider: 109. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
44
Patients
0
Total drug cost
$2,036
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Potassium Chloride | Generic | 21 | 0 | $1,773 |
| Allopurinol | Generic | 12 | 0 | $165 |
| Amlodipine Besylate | Generic | 11 | 0 | $99 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Williams's medical specialty?
Dr. Karen Williams practices Internal Medicine Physician in Saint Paul, MN.
Where does Dr. Karen Williams practice?
Dr. Karen Williams practices at 640 Jackson St, Saint Paul, MN 551012502. Office phone: 6512543456.
What is Dr. Karen Williams's NPI?
Dr. Karen Williams's National Provider Identifier (NPI) is 1477731271, issued by NPPES.
Does Dr. Karen Williams accept Medicare assignment?
Yes. Dr. Karen Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.