Doctor profile · Federal record

Dr. Ashleigh Kowtoniuk, PA-C

Physician Assistant · Boston, MA

  • NPI 1255808218
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 02115
(617) 732-5500
Additional location
47 Capitol St # 1
Watertown, MA 024722510
(814) 322-2593

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Profile last updated
April 1, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Massachusetts #PA6794

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255808218. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
144
Distinct HCPCS
2
Medicare allowed
$4,133
HCPCS Description Services Patients Avg allowed
99441 Telephone medical discussion with physician, 5-10 minutes 126 100 $32
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 18 18 $8

In context: peer comparison

Among 211 peers in Boston Physician Assistant, average services per provider: 104. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
98
Patients
43
Total drug cost
$3,455
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 84 43 $3,146
Finasteride Generic 14 0 $310

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashleigh Kowtoniuk's medical specialty?
Dr. Ashleigh Kowtoniuk practices Physician Assistant in Boston, MA.
Where does Dr. Ashleigh Kowtoniuk practice?
Dr. Ashleigh Kowtoniuk practices at 75 Francis St, Boston, MA 02115. Office phone: 6177325500.
What is Dr. Ashleigh Kowtoniuk's NPI?
Dr. Ashleigh Kowtoniuk's National Provider Identifier (NPI) is 1255808218, issued by NPPES.
Does Dr. Ashleigh Kowtoniuk accept Medicare assignment?
Yes. Dr. Ashleigh Kowtoniuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashleigh Kowtoniuk commonly perform?
Top Medicare-reported procedures in 2023: Telephone medical discussion with physician (HCPCS 99441); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.