Doctor profile · Federal record

Dr. Karin Porter-Williamson, M.D.

Internal Medicine Physician (CMS: Hospice/Palliative Care) · Kansas City, KS

  • NPI 1427168046
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Ku Medical Center Div of Gen Medicine, 3901 Rainbow Blvd, MS 1020
Kansas City, KS 661600001
(913) 588-6005
fax (913) 588-3877
Mailing address
University of Kansas Physicians INC, 3901 Rainbow Blvd, 4070 Delp, MS 4017
Kansas City, KS 661600001

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 1, 2013
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Kansas #04-29133
Medicaid (2)
MO #205331408 · KS #100397270A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427168046. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
452
Distinct HCPCS
8
Medicare allowed
$48,388
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 101 69 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 97 64 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 63 62 $166
99497 Advance care planning, first 30 minutes 63 50 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 56 22 $136
99498 Advance care planning, each additional 30 minutes 38 30 $68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $124
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $156

In context: peer comparison

Among 73 peers in this city , average services per provider: 89. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
0
Total drug cost
$5,323
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 30 0 $915
Morphine Sulfate Er (Morphine Sulfate) Brand 28 0 $999
Methadone Hcl Generic 18 0 $135
Escitalopram Oxalate Generic 17 0 $2,397
Clonazepam Generic 14 0 $150
Lorazepam Generic 12 0 $90
Duloxetine Hcl Generic 11 0 $201
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $436

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karin Porter-Williamson's medical specialty?
Dr. Karin Porter-Williamson practices Internal Medicine Physician in Kansas City, KS.
Where does Dr. Karin Porter-Williamson practice?
Dr. Karin Porter-Williamson practices at Ku Medical Center Div of Gen Medicine, Kansas City, KS 661600001. Office phone: 9135886005.
What is Dr. Karin Porter-Williamson's NPI?
Dr. Karin Porter-Williamson's National Provider Identifier (NPI) is 1427168046, issued by NPPES.
Does Dr. Karin Porter-Williamson accept Medicare assignment?
Yes. Dr. Karin Porter-Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karin Porter-Williamson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.