Doctor profile · Federal record

Dr. Shannon Clasen, MSN, APRN, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Freedom, CA

  • NPI 1891073425
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
99 Airport Blvd
Freedom, CA 950192917
(831) 724-7521
Mailing address
216 Naglee Ave
Santa Cruz, CA 950605309

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
March 17, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95011598

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891073425. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$226
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 2 $50.10
Alk-Abello, INC 2 $41.21
Pfizer INC. 1 $38.40
Merck Sharp & Dohme LLC 1 $29.77
Novo Nordisk INC 1 $25.93
Hologic Sales and Service, LLC 1 $21.16
Bayer Healthcare Pharmaceuticals INC. 1 $19.32

By nature of payment

Food and Beverage
$226

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,028
Patients
421
Total drug cost
$17,297
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 174 75 $3,621
Metformin Hcl Generic 140 49 $1,862
Amlodipine Besylate Generic 132 52 $1,773
Lisinopril Generic 101 42 $1,263
Losartan Potassium Generic 67 24 $1,609
Omeprazole Generic 54 24 $944
Hydrochlorothiazide Generic 49 20 $344
Glipizide Generic 47 14 $665
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 44 16 $691
Gabapentin Generic 42 16 $1,096

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Clasen's medical specialty?
Dr. Shannon Clasen practices Family Nurse Practitioner in Freedom, CA.
Where does Dr. Shannon Clasen practice?
Dr. Shannon Clasen practices at 99 Airport Blvd, Freedom, CA 950192917. Office phone: 8317247521.
What is Dr. Shannon Clasen's NPI?
Dr. Shannon Clasen's National Provider Identifier (NPI) is 1891073425, issued by NPPES.
Does Dr. Shannon Clasen accept Medicare assignment?
Yes. Dr. Shannon Clasen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.