Doctor profile · Federal record

Dr. Lisa Fields, ACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Critical Care Medicine Registered Nurse · Nurse Practitioner · San Antonio, TX

  • NPI 1225471089
  • Accepts Medicare
  • MIPS 19.4 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3551 Roger Brooke Dr
San Antonio, TX 782344504
(210) 916-7500

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
February 8, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State licenses (2)
Texas #694362 · Texas #AP124100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225471089. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$1,592
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $106

In context: peer comparison

Among 48 peers in San Antonio Acute Care Nurse Practitioner, average services per provider: 93. This provider delivers 0.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Lisa Fields's medical specialty?
Dr. Lisa Fields practices Acute Care Nurse Practitioner in San Antonio, TX.
Where does Dr. Lisa Fields practice?
Dr. Lisa Fields practices at 3551 Roger Brooke Dr, San Antonio, TX 782344504. Office phone: 2109167500.
What is Dr. Lisa Fields's NPI?
Dr. Lisa Fields's National Provider Identifier (NPI) is 1225471089, issued by NPPES.
Does Dr. Lisa Fields accept Medicare assignment?
Yes. Dr. Lisa Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lisa Fields commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.