Doctor profile · Federal record

Dr. Margaret Gaa, APRN

Family Nurse Practitioner · Orthopedic Registered Nurse · Lakeland, FL

  • NPI 1558044552
  • 3 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1129 N Missouri Ave
Lakeland, FL 338054411
(866) 234-8534
Mailing address
47 5Th St Nw
Winter Haven, FL 338814672

Credentials & registration

NPPES · NUCC
NPI registered
August 2023 — 3 yrs on file
Profile last updated
February 20, 2024
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Florida #APRN11025927

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558044552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,491
HCPCS Description Services Patients Avg allowed
27447 Replacement of knee joint, both sides of knee 14 14 $178

In context: peer comparison

Among 52 peers in this city , average services per provider: 102. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$279
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Organon Llc 1 $104.63
Exact Sciences Corporation 2 $64.03
Novartis Pharmaceuticals Corporation 2 $38.44
ABBVIE INC. 1 $33.01
Alkermes, Inc. 1 $24.04
Merck Sharp & Dohme LLC 1 $15.19

By nature of payment

Food and Beverage
$279

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Gaa's medical specialty?
Dr. Margaret Gaa practices Family Nurse Practitioner in Lakeland, FL.
Where does Dr. Margaret Gaa practice?
Dr. Margaret Gaa practices at 1129 N Missouri Ave, Lakeland, FL 338054411. Office phone: 8662348534.
What is Dr. Margaret Gaa's NPI?
Dr. Margaret Gaa's National Provider Identifier (NPI) is 1558044552, issued by NPPES.
What procedures does Dr. Margaret Gaa commonly perform?
Top Medicare-reported procedures in 2023: Replacement of knee joint, both sides of knee (HCPCS 27447). Source: CMS Medicare Physician & Other Practitioners file.