Doctor profile · Federal record

Dr. Grodonoff Nelson, D.O.

Family Medicine Physician (CMS: Family Practice) · Ocala, FL

  • NPI 1912213935
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2300 Se 17Th St, Suite 402
Ocala, FL 344719107
(352) 351-0120
fax (352) 351-0107
Additional location
2400 Maitland Center Pkwy Ste 310
Maitland, FL 327517442
(352) 329-1800
fax (352) 329-1810

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
September 6, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Florida #OS11869

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912213935. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,650
Distinct HCPCS
10
Medicare allowed
$95,650
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 297 175 $126
36415 Insertion of needle into vein for collection of blood sample 252 154 $8
80053 Blood test, comprehensive group of blood chemicals 229 150 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 222 149 $8
80061 Blood test, lipids (cholesterol and triglycerides) 209 143 $13
83036 Hemoglobin a1c level 207 142 $9
96372 Injection of drug or substance under skin or into muscle 139 48 $14
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 127 35 $2
84443 Blood test, thyroid stimulating hormone (tsh) 122 99 $16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 119 119 $128

In context: peer comparison

Among 33 peers in this city , average services per provider: 179. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,509
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 21 $409.06
Novo Nordisk Inc 18 $309.96
Lilly USA, LLC 6 $120.19
GlaxoSmithKline, LLC. 5 $102.39
PFIZER INC. 5 $93.24
Astellas Pharma US Inc 4 $88.45
Amgen Inc. 4 $68.44
Phathom Pharmaceuticals, Inc. 3 $49.61
Neurocrine Biosciences, Inc. 2 $40.54
Bayer Healthcare Pharmaceuticals Inc. 2 $38.34
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $35.55
ABBVIE INC. 2 $34.15
Vanda Pharmaceuticals Inc. 2 $33.78
Otsuka America Pharmaceutical, Inc. 2 $33.60
Teva Pharmaceuticals USA, Inc. 1 $28.04

By nature of payment

Food and Beverage
$1,509

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,500
Patients
1,085
Total drug cost
$56,491
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 373 117 $5,704
Levothyroxine Sodium Generic 336 99 $5,739
Amlodipine Besylate Generic 320 101 $2,567
Lisinopril Generic 299 81 $2,710
Losartan Potassium Generic 282 93 $5,760
Rosuvastatin Calcium Generic 279 95 $5,263
Metformin Hcl Generic 237 64 $2,589
Omeprazole Generic 209 80 $4,182
Gabapentin Generic 208 65 $6,876
Furosemide Generic 188 58 $1,168

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grodonoff Nelson's medical specialty?
Dr. Grodonoff Nelson practices Family Medicine Physician in Ocala, FL.
Where does Dr. Grodonoff Nelson practice?
Dr. Grodonoff Nelson practices at 2300 Se 17Th St, Ocala, FL 344719107. Office phone: 3523510120.
What is Dr. Grodonoff Nelson's NPI?
Dr. Grodonoff Nelson's National Provider Identifier (NPI) is 1912213935, issued by NPPES.
Does Dr. Grodonoff Nelson accept Medicare assignment?
Yes. Dr. Grodonoff Nelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grodonoff Nelson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.