Doctor profile · Federal record

Dr. Anna Casillas, ARNP

Family Medicine Physician · Mount Vernon, WA

  • NPI 1912469198
  • 7 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2021 E College Way Ste 210
Mount Vernon, WA 982732373
(360) 755-3670
fax (360) 873-8697
Additional location
1317 Fir Ln
Mount Vernon, WA 982732535
(406) 792-5444
Mailing address
1317 Fir Ln
Mount Vernon, WA 982732535

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
November 8, 2023
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Washington #AP60942913

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912469198. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
410
Distinct HCPCS
7
Medicare allowed
$22,731
HCPCS Description Services Patients Avg allowed
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 135 33 $33
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 93 34 $41
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 53 26 $43
99214 Established patient office or other outpatient visit, 30-39 minutes 48 33 $108
99215 Established patient office or other outpatient visit, 40-54 minutes 32 30 $152
99213 Established patient office or other outpatient visit, 20-29 minutes 25 16 $77
96127 Assessment of emotional or behavioral problems 24 19 $5

In context: peer comparison

Among 24 peers in this city , average services per provider: 55. This provider delivers 7.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
155
Patients
23
Total drug cost
$1,668
Drug Type Claims Patients Total cost
Losartan Potassium Generic 28 0 $221
Atorvastatin Calcium Generic 27 12 $280
Lisinopril Generic 26 11 $224
Amlodipine Besylate Generic 20 0 $228
Levothyroxine Sodium Generic 16 0 $270
Metoprolol Succinate Generic 14 0 $181
Gabapentin Generic 12 0 $127
Trazodone Hcl Generic 12 0 $137

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Casillas's medical specialty?
Dr. Anna Casillas practices Family Medicine Physician in Mount Vernon, WA.
Where does Dr. Anna Casillas practice?
Dr. Anna Casillas practices at 2021 E College Way Ste 210, Mount Vernon, WA 982732373. Office phone: 3607553670.
What is Dr. Anna Casillas's NPI?
Dr. Anna Casillas's National Provider Identifier (NPI) is 1912469198, issued by NPPES.
What procedures does Dr. Anna Casillas commonly perform?
Top Medicare-reported procedures in 2023: Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.