Doctor profile · Federal record

Dr. Emily Castillo, ARNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Walla Walla, WA

  • NPI 1114261229
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 W Tietan St
Walla Walla, WA 993624445
(509) 525-3720
fax (509) 522-1593

Credentials & registration

NPPES · NUCC
NPI registered
November 2012 — 14 yrs on file
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Washington #AP60320121

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114261229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,614
Distinct HCPCS
10
Medicare allowed
$238,786
HCPCS Description Services Patients Avg allowed
J3111 Injection, romosozumab-aqqg, 1 mg 8,821 12 $10
J0897 Injection, denosumab, 1 mg 1,320 15 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 522 288 $107
82962 Blood glucose (sugar) test performed by hand-held instrument 495 268 $3
83036 Hemoglobin a1c level 417 250 $9
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 405 171 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 331 203 $75
J3489 Injection, zoledronic acid, 1 mg 100 20 $8
96372 Injection of drug or substance under skin or into muscle 64 25 $12
99215 Established patient office or other outpatient visit, 40-54 minutes 45 33 $152

In context: peer comparison

Among 3 peers in Walla Walla Adult Health Nurse Practitioner, average services per provider: 474. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$429
Transactions
22
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Amgen INC. 4 $82.20
Novartis Pharmaceuticals Corporation 2 $54.61
Lilly USA, LLC 2 $46.99
Corcept Therapeutics 2 $37.83
AstraZeneca Pharmaceuticals Lp 2 $34.56
Tandem Diabetes Care, INC. 3 $33.61
Boehringer Ingelheim Pharmaceuticals, INC. 1 $25.92
Averitas Pharma INC. 1 $22.12
Bayer Healthcare Pharmaceuticals INC. 1 $21.46
Alexion Pharmaceuticals, INC. 1 $21.25
Novo Nordisk INC 1 $17.29
Ascensia Diabetes Care US INC. 1 $16.63
Insulet Corporation 1 $14.45

By nature of payment

Food and Beverage
$429

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,482
Patients
628
Total drug cost
$1,765,832
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 515 90 $764,112
Levothyroxine Sodium Generic 324 87 $5,433
Metformin Hcl Generic 225 66 $3,615
Metformin Hcl ER (Metformin Hcl) Brand 196 61 $4,021
Jardiance (Empagliflozin) Brand 178 54 $236,945
Trulicity (Dulaglutide) Brand 142 31 $223,199
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 126 38 $77,126
Farxiga (Dapagliflozin Propanediol) Brand 123 32 $151,424
Atorvastatin Calcium Generic 117 36 $2,027
Lisinopril Generic 111 26 $1,202

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Castillo's medical specialty?
Dr. Emily Castillo practices Adult Health Nurse Practitioner in Walla Walla, WA.
Where does Dr. Emily Castillo practice?
Dr. Emily Castillo practices at 55 W Tietan St, Walla Walla, WA 993624445. Office phone: 5095253720.
What is Dr. Emily Castillo's NPI?
Dr. Emily Castillo's National Provider Identifier (NPI) is 1114261229, issued by NPPES.
Does Dr. Emily Castillo accept Medicare assignment?
Yes. Dr. Emily Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emily Castillo commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.