Doctor profile · Federal record

Dr. Hayley Brown, MS, RN, FNP-C

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

  • NPI 1518395169
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 S San Mateo Dr, Ste 230
San Mateo, CA 944013857
(650) 348-0454
fax (650) 348-7923

Credentials & registration

NPPES · NUCC
NPI registered
October 2013 — 13 yrs on file
Profile last updated
November 10, 2013
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #23369

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518395169. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
146
Distinct HCPCS
2
Medicare allowed
$10,397
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 111 65 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 35 28 $52

In context: peer comparison

Among 5 peers in San Mateo Family Nurse Practitioner, average services per provider: 82. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$107
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales INC. 1 $41.02
Tandem Diabetes Care, INC. 1 $22.96
GlaxoSmithKline, LLC. 1 $22.11
Medtronic, INC. 1 $21.11

By nature of payment

Food and Beverage
$107

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,371
Patients
362
Total drug cost
$26,748
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 205 56 $7,469
Levothyroxine Sodium Generic 162 37 $2,807
Amlodipine Besylate Generic 153 40 $920
Atorvastatin Calcium Generic 125 38 $2,246
Lisinopril Generic 113 33 $1,082
Omeprazole Generic 101 25 $1,265
Escitalopram Oxalate Generic 97 25 $1,678
Metformin Hcl ER (Metformin Hcl) Brand 83 24 $1,864
Losartan Potassium Generic 56 17 $1,155
Metoprolol Succinate Generic 52 14 $1,409

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hayley Brown's medical specialty?
Dr. Hayley Brown practices Family Nurse Practitioner in San Mateo, CA.
Where does Dr. Hayley Brown practice?
Dr. Hayley Brown practices at 50 S San Mateo Dr, San Mateo, CA 944013857. Office phone: 6503480454.
What is Dr. Hayley Brown's NPI?
Dr. Hayley Brown's National Provider Identifier (NPI) is 1518395169, issued by NPPES.
Does Dr. Hayley Brown accept Medicare assignment?
Yes. Dr. Hayley Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hayley Brown 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). Source: CMS Medicare Physician & Other Practitioners file.