Doctor profile · Federal record

Dr. Karyn Walsh, LCSW

Clinical Social Worker · Ashburn, VA

  • NPI 1700364130
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21602 Merion St
Ashburn, VA 201474585
(703) 728-7759

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Virginia #0904002790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700364130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
298
Distinct HCPCS
1
Medicare allowed
$35,346
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 298 24 $119

In context: peer comparison

Among 2 peers in Ashburn Clinical Social Worker, average services per provider: 253. This provider delivers 1.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karyn Walsh's medical specialty?
Dr. Karyn Walsh practices Clinical Social Worker in Ashburn, VA.
Where does Dr. Karyn Walsh practice?
Dr. Karyn Walsh practices at 21602 Merion St, Ashburn, VA 201474585. Office phone: 7037287759.
What is Dr. Karyn Walsh's NPI?
Dr. Karyn Walsh's National Provider Identifier (NPI) is 1700364130, issued by NPPES.
Does Dr. Karyn Walsh accept Medicare assignment?
Yes. Dr. Karyn Walsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karyn Walsh commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.