Doctor profile · Federal record

Dr. Kathryn Calderwood, PA-C

Physician Assistant · Surgical Physician Assistant · Westminster, CO

  • NPI 1255825089
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
500 W 144Th Ave Ste 130
Westminster, CO 800239326
(303) 649-3800
fax (303) 649-3819
Additional location
2525 S Downing St
Denver, CO 802105817
(303) 795-3375
Additional location
7700 S Broadway
Littleton, CO 801222602
(303) 795-3375
Show 2 more locations
Additional location
7730 S Broadway
Littleton, CO 801222602
(303) 795-3375
Additional location
7780 S Broadway Ste 250
Littleton, CO 801222633
(303) 795-3375
fax (303) 795-0621

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
March 2, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Colorado #PA0005435 · Colorado #PA.0005435

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255825089. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$766
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, Inc. 3 $434.07
Kerecis Limited 1 $142.85
Becton, Dickinson and Company 1 $120.61
INTUITIVE SURGICAL, INC. 1 $27.00
Aroa Biosurgery Incorporated 1 $25.92
Boston Scientific Corporation 1 $15.27

By nature of payment

Food and Beverage
$766

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
83
Patients
69
Total drug cost
$447
Drug Type Claims Patients Total cost
Methocarbamol Generic 27 26 $249
Oxycodone Hcl Generic 27 27 $90
Tramadol Hcl Generic 17 16 $32
Gabapentin Generic 12 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Calderwood's medical specialty?
Dr. Kathryn Calderwood practices Physician Assistant in Westminster, CO.
Where does Dr. Kathryn Calderwood practice?
Dr. Kathryn Calderwood practices at 500 W 144Th Ave Ste 130, Westminster, CO 800239326. Office phone: 3036493800.
What is Dr. Kathryn Calderwood's NPI?
Dr. Kathryn Calderwood's National Provider Identifier (NPI) is 1255825089, issued by NPPES.
Does Dr. Kathryn Calderwood accept Medicare assignment?
Yes. Dr. Kathryn Calderwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.