Doctor profile · Federal record

Dr. Karen Larsen, ARNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Ocala, FL

  • NPI 1154762409
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2516 Sw College RD
Ocala, FL 344711612
(352) 368-1330
fax (352) 237-7728
Mailing address
2230 Sw 19Th Avenue RD, Ocala Family Medical Center INC
Ocala, FL 34471

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
October 9, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Florida #ARNP2944842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154762409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,538
Distinct HCPCS
10
Medicare allowed
$117,473
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,500 13 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 341 229 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 302 202 $76
36415 Insertion of needle into vein for collection of blood sample 292 217 $7
80053 Blood test, comprehensive group of blood chemicals 272 210 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 270 208 $8
84443 Blood test, thyroid stimulating hormone (tsh) 249 202 $16
80061 Blood test, lipids (cholesterol and triglycerides) 227 190 $13
81002 Urinalysis, manual test 226 180 $3
82570 Creatinine level to test for kidney function or muscle injury 187 154 $5

In context: peer comparison

Among 70 peers in Ocala Family Nurse Practitioner, average services per provider: 213. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$896
Transactions
27
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $280.70
Novo Nordisk INC 6 $171.88
Boehringer Ingelheim Pharmaceuticals, INC. 1 $124.39
Exact Sciences Corporation 4 $84.87
Phathom Pharmaceuticals, INC. 2 $68.22
Lilly USA, LLC 4 $66.10
Lundbeck LLC 2 $59.06
GlaxoSmithKline, LLC. 1 $14.50
Bayer Healthcare Pharmaceuticals INC. 1 $13.66
Organogenesis INC. 1 $13.08

By nature of payment

Food and Beverage
$896

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,002
Patients
1,206
Total drug cost
$54,069
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 596 184 $8,392
Levothyroxine Sodium Generic 529 147 $8,955
Losartan Potassium Generic 313 93 $4,822
Amlodipine Besylate Generic 294 90 $2,287
Lisinopril Generic 288 88 $2,315
Omeprazole Generic 286 90 $4,699
Simvastatin Generic 232 69 $2,411
Metformin Hcl Generic 229 73 $2,106
Gabapentin Generic 225 70 $6,867
Alprazolam Generic 196 41 $761

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Larsen's medical specialty?
Dr. Karen Larsen practices Family Nurse Practitioner in Ocala, FL.
Where does Dr. Karen Larsen practice?
Dr. Karen Larsen practices at 2516 Sw College RD, Ocala, FL 344711612. Office phone: 3523681330.
What is Dr. Karen Larsen's NPI?
Dr. Karen Larsen's National Provider Identifier (NPI) is 1154762409, issued by NPPES.
Does Dr. Karen Larsen accept Medicare assignment?
Yes. Dr. Karen Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Larsen commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); 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.