Doctor profile · Federal record

Dr. Shannon Marsh, APRN

Family Health Clinical Nurse Specialist (CMS: Nurse Practitioner) · Ilwaco, WA

  • NPI 1114339389
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
176 1St Ave N, Po Box N
Ilwaco, WA 986249137
(360) 642-3747
fax (360) 642-3361
Mailing address
Po Box 877
Ilwaco, WA 986240877

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
April 17, 2017
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
364SF0001X — NUCC code
State license (1)
Washington #AP60562578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114339389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,788
Distinct HCPCS
10
Medicare allowed
$134,240
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 645 240 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 257 145 $73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 193 193 $105
G0444 Annual depression screening, 5 to 15 minutes 191 191 $15
G0008 Administration of influenza virus vaccine 138 131 $25
90662 Influenza vaccine split virus, preservative free 137 130 $72
96127 Assessment of emotional or behavioral problems 54 26 $4
90480 Admn sarscov2 vacc 1 dose 51 51 $33
91320 Sarscv2 vac 30mcg trs-suc im 50 50 $128
81002 Urinalysis, manual test 27 21 $3

In context: peer comparison

Among 1 peers in this city , average services per provider: 137. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$335
Transactions
13
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $69.17
Abbott Laboratories 1 $65.17
Kiniksa Pharmaceuticals International, plc 1 $34.14
Merck Sharp & Dohme LLC 2 $32.71
Dexcom, Inc. 1 $29.55
Novo Nordisk Inc 1 $29.35
Amgen Inc. 1 $28.46
Bayer Healthcare Pharmaceuticals Inc. 1 $16.13
ABBVIE INC. 1 $15.44
AstraZeneca Pharmaceuticals LP 1 $14.83

By nature of payment

Food and Beverage
$270
Travel and Lodging
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,410
Patients
453
Total drug cost
$39,212
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 190 51 $1,944
Atorvastatin Calcium Generic 188 56 $2,472
Losartan Potassium Generic 136 39 $1,655
Benazepril Hcl Generic 98 23 $1,662
Lisinopril Generic 93 29 $940
Simvastatin Generic 85 22 $987
Amlodipine Besylate Generic 79 25 $760
Metformin Hcl Generic 78 25 $729
Metoprolol Succinate Generic 78 23 $1,727
Trazodone Hcl Generic 73 19 $1,229

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Marsh's medical specialty?
Dr. Shannon Marsh practices Family Health Clinical Nurse Specialist in Ilwaco, WA.
Where does Dr. Shannon Marsh practice?
Dr. Shannon Marsh practices at 176 1St Ave N, Ilwaco, WA 986249137. Office phone: 3606423747.
What is Dr. Shannon Marsh's NPI?
Dr. Shannon Marsh's National Provider Identifier (NPI) is 1114339389, issued by NPPES.
Does Dr. Shannon Marsh accept Medicare assignment?
Yes. Dr. Shannon Marsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Marsh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.