Doctor profile · Federal record

Dr. Alexandra Walker, DNP, APRN, FNP-C

Family Nurse Practitioner · Family Nurse Practitioner · San Marcos, CA

  • NPI 1578220612
  • MIPS 86.3 / 100 · 2023
  • 5 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Valpreda RD
San Marcos, CA 920692973
(760) 736-6780

Credentials & registration

NPPES · NUCC
NPI registered
November 2021 — 5 yrs on file
Profile last updated
November 13, 2024
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95026439 · Texas #1059129

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578220612. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$2,253
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $75
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 13 13 $35

In context: peer comparison

Among 2 peers in this city , average services per provider: 34. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$186
Transactions
9
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 2 $37.93
Hologic Sales and Service, LLC 1 $28.12
Teleflex LLC 1 $27.31
Astellas Pharma US Inc 1 $23.23
ABBVIE INC. 1 $18.78
Lilly USA, LLC 1 $17.56
Novo Nordisk Inc 1 $17.05
Otsuka America Pharmaceutical, Inc. 1 $16.26

By nature of payment

Food and Beverage
$186

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Walker's medical specialty?
Dr. Alexandra Walker practices Family Nurse Practitioner in San Marcos, CA.
Where does Dr. Alexandra Walker practice?
Dr. Alexandra Walker practices at 150 Valpreda RD, San Marcos, CA 920692973. Office phone: 7607366780.
What is Dr. Alexandra Walker's NPI?
Dr. Alexandra Walker's National Provider Identifier (NPI) is 1578220612, issued by NPPES.
What procedures does Dr. Alexandra Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.