Doctor profile · Federal record

Dr. Kristin Williamson, RPA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Williamsville, NY

  • NPI 1528023694
  • Accepts Medicare
  • MIPS 75.6 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 International Dr
Williamsville, NY 142215760
(716) 631-3555
fax (716) 631-9525
Mailing address
116 North Dr
Amherst, NY 142264118

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 5, 2009
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
New York #009406-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528023694. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
299
Distinct HCPCS
2
Medicare allowed
$16,701
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 168 112 $45
99213 Established patient office or other outpatient visit, 20-29 minutes 131 104 $70

In context: peer comparison

Among 12 peers in this city , average services per provider: 111. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Collegium Pharmaceutical, Inc. 1 $19.38

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,909
Patients
838
Total drug cost
$132,563
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 510 247 $11,252
Oxycodone Hcl Generic 222 92 $4,365
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 217 106 $5,122
Gabapentin Generic 212 90 $3,329
Morphine Sulfate Er (Morphine Sulfate) Brand 153 53 $5,604
Baclofen Generic 99 45 $1,160
Pregabalin Generic 90 32 $2,459
Morphine Sulfate Generic 75 28 $1,848
Oxycontin (Oxycodone Hcl) Brand 67 35 $30,832
Cyclobenzaprine Hcl Generic 58 26 $747

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristin Williamson's medical specialty?
Dr. Kristin Williamson practices Surgical Physician Assistant in Williamsville, NY.
Where does Dr. Kristin Williamson practice?
Dr. Kristin Williamson practices at 400 International Dr, Williamsville, NY 142215760. Office phone: 7166313555.
What is Dr. Kristin Williamson's NPI?
Dr. Kristin Williamson's National Provider Identifier (NPI) is 1528023694, issued by NPPES.
Does Dr. Kristin Williamson accept Medicare assignment?
Yes. Dr. Kristin Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristin Williamson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.