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DR. NATHAN I VISWESHWAR M.D.
NPI 1033214325
Internal Medicine - Hematology & Oncology in Tampa, FL

Active since September 13, 2006PECOS EnrolledAccepts Medicare Assignment
13330 USF LAUREL DR, TAMPA, FL 33612(813) 974-2201 Get Directions Write a Review

NPPES record last updated: March 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 30, 2021, Feb 19, 2021 (2 updates tracked since 2021).

About Dr. Nathan I Visweshwar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATHAN I VISWESHWAR M.D. (NPI 1033214325) is an individual hematology & oncology provider in Tampa, Florida, licensed in Florida (ME97021) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Paducah, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1033214325
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. NATHAN I VISWESHWARCredential: M.D.
Location Address13330 USF LAUREL DRTampa, FL 33612-6601
Mailing AddressPo Box 917770Orlando, FL 32891-0001
Phone(813) 974-2201
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateSeptember 13, 2006
Last NPPES UpdateMarch 30, 20212 updates tracked since enumeration
NPPES CertifiedMarch 30, 2021
✔ NPI 1033214325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in FL · ME97021
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
13330 USF LAUREL DR, Tampa, FL 33612
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Other Identifiers 1

Medicaid276782100FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Highmark Blue Cross Blue Shield West Virginia, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathan I Visweshwar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698743813
PECOS Enrollment IDI20260320002370
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
126 services93 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
70 services40 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
44 services44 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
28 services20 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services15 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Health Paducah

Acute Care Hospitals · Paducah, KY
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number180104
Location2501 Kentucky AvenuePaducah, KY 42003 · Mc Cracken County
Emergency services Birthing friendly

Wheeling Hospital, Inc

Acute Care Hospitals · Wheeling, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number510050
Location1 Medical ParkWheeling, WV 26003 · Ohio County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$171.84 typical visit price
range $56.00 – $171.84
Typical copayment $42.96 (range $14.00 – $42.96)
Most-billed visit code 99205
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUAN CARLOS CARDET GUISASAOLA MD
Allergy & Immunology
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 974-2201
DR. ASHLEY BROOKE AUSTIN JOHNSON DNP, APRN, AGPCNP-C
Nurse Practitioner (Acute Care)
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 259-0600
CORINA CLAVO MCLAMORE MPH, RDN, LD/N, CDE
Dietitian, Registered
13330 USF LAUREL DR, DIABETES CENTER
TAMPA, FL 33612
Hillsborough County (813) 974-2201
DR. FAREEHA HUSSAINI M.D.
Family Medicine
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 974-2201
DR. HEIDI BOUTROS MINA MD
Ophthalmology
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 821-8038
NISHIT S PATEL MD
Dermatology
13330 USF LAUREL DR, MDC79
TAMPA, FL 33612
Hillsborough County (813) 974-2201
MARIE E. LABADIE-DEGENNARO APRN
Nurse Practitioner (Family)
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 974-2201
SHANNON CARLY HAHN PA
Physician Assistant
13330 USF LAUREL DR
TAMPA, FL 33612
Hillsborough County (813) 821-8038

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathan Visweshwar's NPI number?

The NPI number for Nathan Visweshwar is 1033214325. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Nathan Visweshwar located?

Nathan Visweshwar practices at 13330 Usf Laurel Dr, Tampa, FL 33612. The listed phone number is (813) 974-2201.

What is Nathan Visweshwar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Nathan Visweshwar enrolled in Medicare?

Yes. Nathan Visweshwar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nathan Visweshwar accept?

Health plans from CareSource, Highmark Blue Cross Blue Shield West Virginia and Molina Healthcare list Nathan Visweshwar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nathan Visweshwar affiliated with any hospitals?

According to CMS data, Nathan Visweshwar is affiliated with Baptist Health Paducah and Wheeling Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Nathan Visweshwar was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.