Dr. Nathan I. Visweshwar, MD
- Medicare services, 2024
- 285
- Medicare patients, 2024
- 206
- Part D claims, 2024
- 267
- Publications
- 21
- Hospital affiliations
- 2
- Practice address
- 2501 Kentucky Avenue, Paducah, KY 42003
- Practice phone
- Call (270) 575-2100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Visweshwar's professional email, personal email and mobile number
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Dr. Nathan I. Visweshwar is a hematologist and oncologist in Paducah, Kentucky
Dr. Visweshwar practices at Baptist Health Paducah in Paducah, Kentucky, part of Baptist Health.
Dr. Visweshwar's NPI, 1033214325, was assigned on September 13, 2006. Dr. Visweshwar graduated from Madras Medical College in 1975. Dr. Visweshwar holds Florida license ME97021.
- NPI
- 1033214325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698743813
- NPI enumeration date
- September 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (270) 575-2100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan I. Visweshwar practices at Baptist Health Paducah in Paducah, Kentucky
Dr. Visweshwar's primary practice is Baptist Health Paducah, at 2501 Kentucky Avenue, Paducah, KY 42003 in Mc Cracken County. The practice phone is (270) 575-2100.
- Baptist Health Paducah2501 Kentucky Avenue, Paducah, KY 42003 · Mc Cracken CountyPhone(270) 575-2100
Source: Dmand AI Affiliation Data
Dr. Nathan I. Visweshwar is affiliated with 2 sites of care and 1 medical group
Dr. Visweshwar's primary practice is Baptist Health Paducah in Paducah, Kentucky, part of Baptist Health. Dr. Visweshwar is also affiliated with WVU Medicine Wheeling Hospital. The medical group on file is Baptist Health Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan I. Visweshwar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Visweshwar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Paducah | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baptist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nathan I. Visweshwar is one of 150 hematologists and oncologists in Kentucky
Hematology and oncology is Dr. Visweshwar's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Visweshwar is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Visweshwar's licenses on file in 3 states: Florida, West Virginia and New Jersey.
Specialties and state licenses
- Hematology and oncology, FloridaPrimary
- West Virginia license
- New Jersey license
Hematologists and oncologists near Dr. Visweshwar
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathan I. Visweshwar billed Medicare for 285 services in 2024
CMS data shows 285 Medicare services from Dr. Visweshwar across 4 procedure codes in 2024, for 206 Medicare patients. Medicare paid $19,393 for them.
Dr. Visweshwar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3822024: 28525%
Where Dr. Visweshwar's Medicare services took place, 2024
- In an office12644%
- In a facility15956%
Dr. Visweshwar compared with the Kentucky median for hematologists and oncologists, 2024
- Dr. Visweshwar
- Kentucky median
- Medicare services
- 285vs 87167% below
- Medicare patients
- 206vs 27425% below
- Part D claims
- 174vs 83279% below
Medians across 145 hematologists and oncologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Visweshwar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Visweshwar and other hematologists and oncologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan I. Visweshwar treated 206 Medicare patients in 2024, average age 68
CMS counts 206 Medicare patients who saw Dr. Visweshwar in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Visweshwar's median patient age at 69, with 57% women.
Dr. Visweshwar's Medicare patients by age, 2024
Dr. Visweshwar's Medicare patients by sex, 2024
- Women9948%
- Men10752%
Chronic conditions among Dr. Visweshwar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease41%
- Diabetes38%
- Anxiety37%
- Chronic kidney disease37%
- Mood disorders37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Visweshwar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan I. Visweshwar wrote 267 Medicare Part D claims in 2024
In 2024, Dr. Visweshwar wrote 267 Medicare Part D claims for 60 patients. 51% of them were for generic drugs. CMS names the drug for 174 of them, across 7 drugs with 11 or more claims each, at $853,817 in total drug cost. In 2023, CMS named 180 claims across 8 drugs.
Dr. Visweshwar's Part D claims by kind of drug, 2024
- Generic137 claims51%
- Brand-name130 claims49%
Dr. Visweshwar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1802024: 1743%
Drugs named by CMS: 7 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Nathan I. Visweshwar takes part in Medicare
Dr. Visweshwar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan I. Visweshwar has 21 publications on record
Dmand AI links 21 papers to Dr. Visweshwar, published from 2016 to 2024. 2017 was the busiest year, with 3. The most frequent topics are Hemorrhage, Administration, Oral and Hemophilia A. Dr. Visweshwar has published most often in Blood Coagul Fibrinolysis. Dr. Visweshwar's most frequent co-authors are Michael Vishal Jaglal, MD, Damian A. Laber, MD and Ankita K. Patel, MD.
Dr. Visweshwar's papers by year, 2016 to 2024
Topics Dr. Visweshwar writes about most
- Hemorrhage
- Administration, Oral
- Hemophilia A
- Randomized Controlled Trials as Topic
Dr. Visweshwar's most frequent co-authors
- Michael Vishal Jaglal, MD16 shared papers
- Damian A. Laber, MD14 shared papers
- Ankita K. Patel, MD9 shared papers
Recent publications by Dr. Visweshwar
Blood Coagul Fibrinolysis
See who Dr. Visweshwar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Visweshwar works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nathan I. Visweshwar received $5,581 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Visweshwar from 4 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 98% of the total. CSL Behring paid the most, $5,458. It also lists 13 research payments totaling $9,280 from 2020 to 2024.
General payments to Dr. Visweshwar by program year, 2016 to 2025
General payments to Dr. Visweshwar by kind, 2016 to 2025
- Speaker and faculty fees$5,45898%
- Food and beverage$1242%
Companies that paid Dr. Visweshwar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan I. Visweshwar graduated from Madras Medical College
Dr. Visweshwar graduated from Madras Medical College in 1975.
- Medical school
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Nathan I. Visweshwar accepts plans from 10 insurance carriers
Dr. Visweshwar is in network with 10 carriers, including Aetna, Excellus BlueCross BlueShield and Cigna. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Cigna
- United Healthcare
- HCSC
- Molina
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Visweshwar accepts, by number of carriers
- Medicare7
- HMO5
- PPO4
- EPO3
- POS3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Nathan I. Visweshwar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nathan I. Visweshwar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nathan I. Visweshwar's NPI number?
Dr. Nathan I. Visweshwar's NPI number is 1033214325. It was assigned on September 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan I. Visweshwar?
Dr. Nathan I. Visweshwar is a hematologist and oncologist in Paducah, Kentucky. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Nathan I. Visweshwar practice?
Dr. Visweshwar practices at 2501 Kentucky Avenue, Paducah, KY 42003. Dr. Visweshwar's primary practice is Baptist Health Paducah in Paducah, Kentucky, part of Baptist Health.
What is Dr. Nathan I. Visweshwar's office phone number?
The practice phone on file for Dr. Visweshwar is (270) 575-2100.
What is Dr. Nathan I. Visweshwar's medical license number?
Dr. Visweshwar holds Florida license ME97021, one of the licenses on file in 3 states.
Which states has Dr. Nathan I. Visweshwar been licensed in?
Dmand AI has state licenses on file for Dr. Visweshwar in Florida (2006 to 2027), West Virginia (2005 to 2027) and New Jersey (2003 to 2005).
Which hospitals is Dr. Nathan I. Visweshwar affiliated with?
Dr. Visweshwar practices at Baptist Health Paducah in Paducah, Kentucky. Dr. Visweshwar is also affiliated with WVU Medicine Wheeling Hospital.
What medical group is Dr. Nathan I. Visweshwar part of?
Dr. Visweshwar is linked to Baptist Health Medical Group.
Does Dr. Nathan I. Visweshwar accept Medicare?
Yes. CMS data shows Dr. Visweshwar billed Medicare for 285 services in 2024, and Dr. Visweshwar accepts Medicare assignment.
How many Medicare patients does Dr. Nathan I. Visweshwar see?
CMS counts 206 Medicare patients who saw Dr. Visweshwar in 2024, with an average age of 68.
Show 9 more questionsShow fewer questions
Is Dr. Nathan I. Visweshwar board certified?
Yes. Dr. Visweshwar is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Nathan I. Visweshwar bill to Medicare?
In 2024, Dr. Visweshwar's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Nathan I. Visweshwar go to medical school?
Dr. Visweshwar graduated from Madras Medical College in 1975.
What drugs does Dr. Nathan I. Visweshwar prescribe most?
In 2024 Medicare Part D data, Dr. Visweshwar's most prescribed drugs by claims were Enoxaparin Sodium, Eliquis and Hydroxyurea.
Has Dr. Nathan I. Visweshwar received payments from drug or device companies?
CMS Open Payments shows $5,581 in general payments to Dr. Visweshwar from 4 companies from 2016 to 2025. The largest total came from CSL Behring.
How long has Dr. Nathan I. Visweshwar been practicing?
Dr. Visweshwar graduated from medical school in 1975, 51 years ago.
Does Dr. Nathan I. Visweshwar do research?
Dmand AI links 21 publications to Dr. Visweshwar, published from 2016 to 2024.
Who does Dr. Nathan I. Visweshwar publish with?
Dr. Visweshwar's most frequent co-authors are Michael Vishal Jaglal, MD (16 shared papers), Damian A. Laber, MD (14 shared papers) and Ankita K. Patel, MD (9 shared papers).
What insurance does Dr. Nathan I. Visweshwar accept?
Dr. Visweshwar is in network with 10 carriers, including Aetna, Excellus BlueCross BlueShield and Cigna. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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