Dr. Viswanathan Nagarajan, MD

  • Fort Myers, FL
  • Infectious disease specialist
NPI1043285141PAC ID6507034253
Medicare services, 2024
777
Medicare patients, 2024
162
Part D claims, 2024
39
Hospital affiliations
2
Industry payments
$937
Practice address
2776 Cleveland Ave, Fort Myers, FL 33901
Practice phone
Call (239) 343-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lee Memorial Hospital

Hospital · Fort Myers, Florida

See all 10 affiliations

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Dr. Viswanathan Nagarajan is an infectious disease specialist in Fort Myers, Florida

Dr. Nagarajan practices at Lee Memorial Hospital in Fort Myers, Florida, part of Lee Health System.

Dr. Nagarajan's NPI, 1043285141, was assigned on February 22, 2006. Dr. Nagarajan graduated from Madurai Medical College in 1984. Dr. Nagarajan holds Florida license ME92706.

NPI and contact details
Medicare PAC ID
6507034253
NPI enumeration date
February 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(239) 343-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Viswanathan Nagarajan practices at Lee Memorial Hospital in Fort Myers, Florida

Dr. Nagarajan's primary practice is Lee Memorial Hospital, at 2776 Cleveland Ave, Fort Myers, FL 33901 in Lee County. The practice phone is (239) 343-5000.

Source: Dmand AI Affiliation Data

Dr. Viswanathan Nagarajan is affiliated with 5 sites of care and 5 medical groups

Dr. Nagarajan's primary practice is Lee Memorial Hospital in Fort Myers, Florida, part of Lee Health System. Dr. Nagarajan is also affiliated with Cape Coral Hospital. The medical group on file is Cape Coral Hospitalists Inc. Dmand AI also links Dr. Nagarajan to 4 more medical groups and 3 group practices and clinics, each named with a free account.

See all 10 affiliations for Dr. Nagarajan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Viswanathan Nagarajan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagarajan practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lee Memorial HospitalAvailable with a free account
+4 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Viswanathan Nagarajan is one of 692 infectious disease specialists in Florida

Infectious disease is Dr. Nagarajan's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Nagarajan is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Nagarajan's licenses on file in 5 states: Florida, Kentucky, New York, Indiana and New Jersey.

Specialties and state licenses

  • Infectious disease, FloridaPrimaryLicense ME92706 · 2005 to 2027 · taxonomy 207RI0200X
  • Kentucky license2017 to 2020
  • New York licenseLicense 207809 · 1997 to 2019
  • Indiana license1995 to 2003
  • New Jersey license1997 to 2003

Infectious disease specialists near Dr. Nagarajan

Counts of infectious disease specialists 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. Viswanathan Nagarajan billed Medicare for 777 services in 2024

CMS data shows 777 Medicare services from Dr. Nagarajan across 3 procedure codes in 2024, for 162 Medicare patients. Medicare paid $59,736 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024777
Medicare patients162
Paid by Medicare$59,736
Procedure codes3

Dr. Nagarajan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7442024: 7774%

Dr. Nagarajan compared with the Florida median for infectious disease specialists, 2024

  • Dr. Nagarajan
  • Florida median
Medicare services
777vs 90514% below
Medicare patients
162vs 29545% below
Part D claims
30vs 24488% below

Medians across 664 infectious disease specialists in Florida with Dmand AI profiles that report each measure.

Dr. Nagarajan'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.

See all procedures by Dr. Nagarajan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Viswanathan Nagarajan treated 162 Medicare patients in 2024, average age 77

CMS counts 162 Medicare patients who saw Dr. Nagarajan in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 3.08, 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. Nagarajan's median patient age at 74, with 42% women.

Medicare patients, 2024162
Average age77
Average risk score3.08
Also on Medicaid28%

Dr. Nagarajan's Medicare patients by age, 2024

Dr. Nagarajan's Medicare patients by sex, 2024

  • Women6741%
  • Men9559%

Chronic conditions among Dr. Nagarajan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis67%
  4. Mood disorders63%
  5. Depression58%
  6. Heart failure56%
  7. Chronic kidney disease53%
  8. Ischemic heart disease53%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nagarajan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women42%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Viswanathan Nagarajan wrote 39 Medicare Part D claims in 2024

In 2024, Dr. Nagarajan wrote 39 Medicare Part D claims for 19 patients. 77% of them were for generic drugs. CMS names the drug for 30 of them, across 2 drugs with 11 or more claims each, at $7,430 in total drug cost. In 2021, CMS named 16 claims across 1 drug.

Part D claims, 202439
Drugs named by CMS2
Total drug cost$7,430
Part D patients19

Dr. Nagarajan's Part D claims by kind of drug, 2024

  • Generic30 claims77%
  • Brand-name and other9 claims23%

Dr. Nagarajan's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Nagarajan's Part D claims, 2024

  • Antibiotics67%26 of 39 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2021 to 2023

  • 2021
  • 2023
Claims for drugs CMS names
2021: 162023: 3088%

Drugs named by CMS: 2 in 2023, 1 in 2021.

See all prescribing by Dr. Nagarajan

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. Viswanathan Nagarajan takes part in Medicare

Dr. Nagarajan 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. Viswanathan Nagarajan received $937 in industry payments from 2016 to 2019

CMS Open Payments shows 43 general payments to Dr. Nagarajan from 13 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 83% of the total. Astellas Pharma US Inc paid the most, $369.

General payments to Dr. Nagarajan by program year, 2016 to 2019

General payments to Dr. Nagarajan by kind, 2016 to 2019

$937in total
  • Food and beverage$77883%
  • Education$15917%

Companies that paid Dr. Nagarajan the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Nagarajan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Viswanathan Nagarajan graduated from Madurai Medical College

Dr. Nagarajan graduated from Madurai Medical College in 1984.

  1. Medical schoolMadurai Medical College
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Viswanathan Nagarajan accepts plans from 19 insurance carriers

Dr. Nagarajan is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +11 more carriersWith a free account

Plan types Dr. Nagarajan accepts, by number of carriers

  1. PPO13
  2. Medicare8
  3. HMO7
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Viswanathan Nagarajan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Viswanathan Nagarajan

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. Viswanathan Nagarajan's NPI number?

Dr. Viswanathan Nagarajan's NPI number is 1043285141. It was assigned on February 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Viswanathan Nagarajan?

Dr. Viswanathan Nagarajan is an infectious disease specialist in Fort Myers, Florida. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Viswanathan Nagarajan practice?

Dr. Nagarajan practices at 2776 Cleveland Ave, Fort Myers, FL 33901. Dr. Nagarajan's primary practice is Lee Memorial Hospital in Fort Myers, Florida, part of Lee Health System. Dmand AI also links Dr. Nagarajan to 4 medical groups and 3 group practices and clinics.

What is Dr. Viswanathan Nagarajan's office phone number?

The practice phone on file for Dr. Nagarajan is (239) 343-5000.

What is Dr. Viswanathan Nagarajan's medical license number?

Dr. Nagarajan holds Florida license ME92706, one of the licenses on file in 5 states.

Which states has Dr. Viswanathan Nagarajan been licensed in?

Dmand AI has state licenses on file for Dr. Nagarajan in Florida (2005 to 2027), Kentucky (2017 to 2020), New York (1997 to 2019), Indiana (1995 to 2003) and New Jersey (1997 to 2003).

Which hospitals is Dr. Viswanathan Nagarajan affiliated with?

Dr. Nagarajan practices at Lee Memorial Hospital in Fort Myers, Florida. Dr. Nagarajan is also affiliated with Cape Coral Hospital.

What medical group is Dr. Viswanathan Nagarajan part of?

Dr. Nagarajan is linked to Cape Coral Hospitalists Inc. Dmand AI links Dr. Nagarajan to 4 more medical groups.

Does Dr. Viswanathan Nagarajan accept Medicare?

Yes. CMS data shows Dr. Nagarajan billed Medicare for 777 services in 2024, and Dr. Nagarajan accepts Medicare assignment.

How many Medicare patients does Dr. Viswanathan Nagarajan see?

CMS counts 162 Medicare patients who saw Dr. Nagarajan in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

Is Dr. Viswanathan Nagarajan board certified?

Yes. Dr. Nagarajan is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Viswanathan Nagarajan bill to Medicare?

In 2024, Dr. Nagarajan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).

Where did Dr. Viswanathan Nagarajan go to medical school?

Dr. Nagarajan graduated from Madurai Medical College in 1984.

What drugs does Dr. Viswanathan Nagarajan prescribe most?

In 2023 Medicare Part D data, Dr. Nagarajan's most prescribed drugs by claims were Meropenem and Ceftriaxone.

Has Dr. Viswanathan Nagarajan received payments from drug or device companies?

CMS Open Payments shows $937 in general payments to Dr. Nagarajan from 13 companies from 2016 to 2019. The largest total came from Astellas Pharma US Inc.

How long has Dr. Viswanathan Nagarajan been practicing?

Dr. Nagarajan graduated from medical school in 1984, 42 years ago.

What insurance does Dr. Viswanathan Nagarajan accept?

Dr. Nagarajan is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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