Doctor profile · Federal record

Dr. Katherine Williams, PA-C

Physician Assistant · Surgical Physician Assistant · St Louis Park, MN

  • NPI 1932489580
  • Accepts Medicare
  • MIPS 83.5 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
6500 Excelsior Blvd
St Louis Park, MN 554264702
(952) 993-5000
Additional location
200 1St St Sw
Rochester, MN 55905
(507) 284-2511
Additional location
4010 W 65Th St
Edina, MN 554351706
(952) 456-7000
fax (952) 456-7001
Show 1 more location
Additional location
8100 Northland Dr
Bloomington, MN 554314800
(952) 831-8742
fax (952) 831-1626
Mailing address
8170 33Rd Ave S # MS 21110Q
Bloomington, MN 554254516

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
August 4, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Minnesota #11018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932489580. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
708
Distinct HCPCS
10
Medicare allowed
$20,140
HCPCS Description Services Patients Avg allowed
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml 230 23 $0
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 190 37 $1
20610 Aspiration and/or injection of fluid from large joint 58 36 $59
73564 X-ray of knee, 4 or more views 51 47 $40
73562 X-ray of knee, 3 views 45 44 $35
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose 27 11 $128
77002 Fluoroscopic guidance for needle placement 24 24 $101
32555 Aspiration of fluid from chest cavity using imaging guidance 21 15 $78
27447 Replacement of knee joint, both sides of knee 20 19 $168
74230 Imaging for evaluation of swallowing function 17 17 $20

In context: peer comparison

Among 42 peers in St Louis Park Physician Assistant, average services per provider: 55. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$356
Transactions
21
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 21 $356.39

By nature of payment

Food and Beverage
$356

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
541
Patients
381
Total drug cost
$4,856
Drug Type Claims Patients Total cost
Cephalexin Generic 147 92 $407
Oxycodone Hcl Generic 116 78 $763
Celecoxib Generic 68 56 $1,787
Pantoprazole Sodium Generic 68 61 $569
Ondansetron Odt (Ondansetron) Brand 67 64 $1,010
Hydromorphone Hcl Generic 23 0 $109
Tramadol Hcl Generic 19 14 $95
Diazepam Generic 18 16 $20
Meloxicam Generic 15 0 $98

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Williams's medical specialty?
Dr. Katherine Williams practices Physician Assistant in St Louis Park, MN.
Where does Dr. Katherine Williams practice?
Dr. Katherine Williams practices at 6500 Excelsior Blvd, St Louis Park, MN 554264702. Office phone: 9529935000.
What is Dr. Katherine Williams's NPI?
Dr. Katherine Williams's National Provider Identifier (NPI) is 1932489580, issued by NPPES.
Does Dr. Katherine Williams accept Medicare assignment?
Yes. Dr. Katherine Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Williams commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (HCPCS Q9966); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.