Doctor profile · Federal record

Dr. Lynette Woo-Sam, RN, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Fountain Valley, CA

  • NPI 1427716612
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18541 San Antonio St
Fountain Valley, CA 927087103
(714) 362-7550

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Profile last updated
March 17, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95020382 · California #756790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427716612. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,551
Distinct HCPCS
4
Medicare allowed
$249,738
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,585 146 $97
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 838 95 $97
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 100 70 $120
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 28 18 $120

In context: peer comparison

Among 9 peers in Fountain Valley Family Nurse Practitioner, average services per provider: 153. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
271
Patients
11
Total drug cost
$17,115
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 58 11 $504
Levothyroxine Sodium Generic 25 0 $316
Metformin Hcl Generic 23 0 $138
Gabapentin Generic 20 0 $433
Tradjenta (Linagliptin) Brand 20 0 $3,846
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 18 0 $115
Furosemide Generic 16 0 $105
Januvia (Sitagliptin Phosphate) Brand 16 0 $4,273
Sevelamer Hcl Generic 15 0 $5,408
Insulin Lispro Kwikpen U-100 (Insulin Lispro) Brand 14 0 $999

Frequently asked questions

Auto-generated from federal data
What is Dr. Lynette Woo-Sam's medical specialty?
Dr. Lynette Woo-Sam practices Family Nurse Practitioner in Fountain Valley, CA.
Where does Dr. Lynette Woo-Sam practice?
Dr. Lynette Woo-Sam practices at 18541 San Antonio St, Fountain Valley, CA 927087103. Office phone: 7143627550.
What is Dr. Lynette Woo-Sam's NPI?
Dr. Lynette Woo-Sam's National Provider Identifier (NPI) is 1427716612, issued by NPPES.
Does Dr. Lynette Woo-Sam accept Medicare assignment?
Yes. Dr. Lynette Woo-Sam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lynette Woo-Sam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.