Doctor profile · Federal record

Dr. Cassandra Dengler, ARNP, PMHNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Mount Vernon, WA

  • NPI 1336983105
  • Accepts Medicare
  • 2 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
117 N 1St St Ste 55
Mount Vernon, WA 982732858
(360) 588-4950
Additional location
3402 173Rd Pl Ne Ste 201
Arlington, WA 98223
(206) 242-8211
fax (206) 242-0162
Mailing address
1730 Labounty Dr Ste 9-24
Ferndale, WA 982488959

Credentials & registration

NPPES · NUCC
NPI registered
June 2024 — 2 yrs on file
Profile last updated
October 23, 2024
Year of graduation
2024 — 2 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Washington #AP61574970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336983105. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,236
Transactions
38
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 7 $360.27
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 13 $268.14
Alkermes, INC. 5 $231.92
Otsuka America Pharmaceutical, INC. 11 $155.30
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $128.60
Axsome Therapeutics, INC. 1 $92.09

By nature of payment

Food and Beverage
$1,025
Education
$211

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Dengler's medical specialty?
Dr. Cassandra Dengler practices Psychiatric/Mental Health Nurse Practitioner in Mount Vernon, WA.
Where does Dr. Cassandra Dengler practice?
Dr. Cassandra Dengler practices at 117 N 1St St Ste 55, Mount Vernon, WA 982732858. Office phone: 3605884950.
What is Dr. Cassandra Dengler's NPI?
Dr. Cassandra Dengler's National Provider Identifier (NPI) is 1336983105, issued by NPPES.
Does Dr. Cassandra Dengler accept Medicare assignment?
Yes. Dr. Cassandra Dengler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.