Doctor profile · Federal record
Dr. Ratnasabapathy Sivasekaran, MD
Internal Medicine Physician (CMS: Internal Medicine) · Ocala, FL
- NPI 1114954476
- Accepts Medicare
- 25 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2845 Se 3Rd Court
Ocala, FL 34471
(352) 369-5300
fax (352) 369-5309
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 24, 2010
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Florida #ME90344
- Medicaid
- FL #270559100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114954476. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
27,056
Distinct HCPCS
10
Medicare allowed
$1,410,777
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 4,563 | 1,179 | $118 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,415 | 267 | $88 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 1,196 | 886 | $172 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,071 | 292 | $78 | |
82172 |
Apolipoprotein level | 1,042 | 213 | $21 | |
99239 |
Hospital discharge day management, more than 30 minutes | 722 | 588 | $113 | |
36415 |
Insertion of needle into vein for collection of blood sample | 634 | 213 | $6 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 606 | 215 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 549 | 212 | $10 | |
84481 |
Thyroid hormone, t3 measurement, free | 541 | 212 | $17 |
In context: peer comparison
Among 27 peers in Ocala Internal Medicine Physician, average services per provider: 422. This provider delivers 64× the peer median.Open Payments
Industry payments received
All-time total
$115
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $38.27 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $31.23 | |
| Pfizer INC. | 1 | $25.04 | |
| Sumitomo Pharma America, INC. | 1 | $20.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,320
Patients
1,604
Total drug cost
$293,603
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 684 | 111 | $25,571 |
| Atorvastatin Calcium | Generic | 572 | 167 | $8,348 |
| Gabapentin | Generic | 527 | 141 | $16,557 |
| Furosemide | Generic | 526 | 139 | $3,335 |
| Potassium Chloride | Generic | 467 | 118 | $12,853 |
| Levothyroxine Sodium | Generic | 442 | 127 | $6,591 |
| Alprazolam | Generic | 399 | 65 | $3,020 |
| Losartan Potassium | Generic | 394 | 111 | $5,752 |
| Eliquis (Apixaban) | Brand | 367 | 70 | $184,218 |
| Lisinopril | Generic | 348 | 110 | $3,546 |
Hospital affiliations
Frequently asked questions
What is Dr. Ratnasabapathy Sivasekaran's medical specialty?
Dr. Ratnasabapathy Sivasekaran practices Internal Medicine Physician in Ocala, FL.
Where does Dr. Ratnasabapathy Sivasekaran practice?
Dr. Ratnasabapathy Sivasekaran practices at 2845 Se 3Rd Court, Ocala, FL 34471. Office phone: 3523695300.
What is Dr. Ratnasabapathy Sivasekaran's NPI?
Dr. Ratnasabapathy Sivasekaran's National Provider Identifier (NPI) is 1114954476, issued by NPPES.
Does Dr. Ratnasabapathy Sivasekaran accept Medicare assignment?
Yes. Dr. Ratnasabapathy Sivasekaran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ratnasabapathy Sivasekaran commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.