Doctor profile · Federal record

Dr. Heather Seierstad, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · San Marcos, CA

  • NPI 1356060172
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
417 E Carmel St Ste 200
San Marcos, CA 920784368
(345) 326-7858
Mailing address
32332 Camino Capistrano Ste 201
San Juan Capistrano, CA 926753701

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95022361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356060172. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$267
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $143.55
Abbvie INC. 1 $123.91

By nature of payment

Food and Beverage
$267

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,009
Patients
172
Total drug cost
$54,491
Drug Type Claims Patients Total cost
Gabapentin Generic 112 20 $3,407
Atorvastatin Calcium Generic 108 25 $5,832
Lisinopril Generic 97 24 $1,504
Amlodipine Besylate Generic 74 18 $1,667
Duloxetine Hcl Generic 63 16 $3,945
Hydrochlorothiazide Generic 62 0 $503
Metoprolol Succinate Generic 61 11 $957
Escitalopram Oxalate Generic 60 0 $2,710
Furosemide Generic 60 19 $526
Levothyroxine Sodium Generic 59 14 $902

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Seierstad's medical specialty?
Dr. Heather Seierstad practices Family Nurse Practitioner in San Marcos, CA.
Where does Dr. Heather Seierstad practice?
Dr. Heather Seierstad practices at 417 E Carmel St Ste 200, San Marcos, CA 920784368. Office phone: 3453267858.
What is Dr. Heather Seierstad's NPI?
Dr. Heather Seierstad's National Provider Identifier (NPI) is 1356060172, issued by NPPES.
Does Dr. Heather Seierstad accept Medicare assignment?
Yes. Dr. Heather Seierstad accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.