Doctor profile · Federal record

Dr. Nathan Visweshwar, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Tampa, FL

  • NPI 1033214325
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13330 Usf Laurel Dr
Tampa, FL 336126601
(813) 974-2201
Mailing address
Po Box 917770
Orlando, FL 328910001

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 30, 2021
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Florida #ME97021
Medicaid
FL #276782100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033214325. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
10
Medicare allowed
$36,524
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 88 65 $88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 86 45 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 44 33 $120
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 42 42 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 33 24 $67
99212 Established patient office or other outpatient visit, 10-19 minutes 31 29 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 17 16 $95
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $111
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $135
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $164

In context: peer comparison

Among 29 peers in this city , average services per provider: 138. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,892
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CSL Behring 4 $3,892.30

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$3,892

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
180
Patients
11
Total drug cost
$139,351
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 36 11 $33,474
Enoxaparin Sodium Generic 33 0 $20,932
Xarelto (Rivaroxaban) Brand 30 0 $29,578
Hydroxyurea Generic 27 0 $1,599
Prednisone Generic 19 0 $223
Deferasirox Generic 13 0 $51,082
Entecavir Generic 11 0 $2,297
Pantoprazole Sodium Generic 11 0 $165

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Visweshwar's medical specialty?
Dr. Nathan Visweshwar practices Hematology & Oncology Physician in Tampa, FL.
Where does Dr. Nathan Visweshwar practice?
Dr. Nathan Visweshwar practices at 13330 Usf Laurel Dr, Tampa, FL 336126601. Office phone: 8139742201.
What is Dr. Nathan Visweshwar's NPI?
Dr. Nathan Visweshwar's National Provider Identifier (NPI) is 1033214325, issued by NPPES.
Does Dr. Nathan Visweshwar accept Medicare assignment?
Yes. Dr. Nathan Visweshwar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Visweshwar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.