Dr. Lalitha Nayak, MD

  • Indianapolis, IN
  • Hematologist and oncologist
NPI1699803866PAC ID2961501002
Medicare services, 2024
102
Medicare patients, 2024
67
Part D claims, 2024
41
Publications
41
Clinical trials
1
Practice address
1701 N Senate Blvd, Indianapolis, IN 46202
Practice phone
Call (317) 962-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

IU Health Methodist Hospital

Hospital · Indianapolis, Indiana

See all 9 affiliations

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Dr. Lalitha Nayak is a hematologist and oncologist in Indianapolis, Indiana

Dr. Nayak practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.

Dr. Nayak's NPI, 1699803866, was assigned on March 1, 2007. Dr. Nayak holds Ohio license 35.097317.

NPI and contact details
Medicare PAC ID
2961501002
NPI enumeration date
March 1, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(317) 962-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Lalitha Nayak practices at IU Health Methodist Hospital in Indianapolis, Indiana

Dr. Nayak's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.

Source: Dmand AI Affiliation Data

Dr. Lalitha Nayak is affiliated with 6 sites of care and 3 medical groups

Dr. Nayak's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. Nayak is also affiliated with Sidney & Lois Eskenazi Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Nayak to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 behavioral health center, each named with a free account.

See all 9 affiliations for Dr. Nayak

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

Dmand AI tracks the EHR system at Dr. Lalitha Nayak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nayak practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
IU Health Methodist HospitalAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Lalitha Nayak is one of 224 hematologists and oncologists in Indiana

Hematology and oncology is Dr. Nayak's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Nayak's licenses on file in 2 states: Ohio and Indiana.

Specialties and state licenses

  • Hematology and oncology, OhioPrimaryLicense 35.097317 · taxonomy 207RH0003X
  • Hematology (internal medicine), IndianaLicense 01095107A · taxonomy 207RH0000X

Hematologists and oncologists near Dr. Nayak

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. Lalitha Nayak billed Medicare for 102 services in 2024

CMS data shows 102 Medicare services from Dr. Nayak across 3 procedure codes in 2024, for 67 Medicare patients. Medicare paid $9,213 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024102
Medicare patients67
Paid by Medicare$9,213
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 1002024: 1022%

Dr. Nayak compared with the Indiana median for hematologists and oncologists, 2024

  • Dr. Nayak
  • Indiana median
Medicare services
102vs 76087% below
Medicare patients
67vs 26475% below
Part D claims
27vs 42394% below

Medians across 215 hematologists and oncologists in Indiana with Dmand AI profiles that report each measure.

Dr. Nayak'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. Nayak

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

Dr. Lalitha Nayak treated 67 Medicare patients in 2024, average age 71

CMS counts 67 Medicare patients who saw Dr. Nayak in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.43, 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. Nayak's median patient age at 51, with 59% women.

Medicare patients, 202467
Average age71
Average risk score2.43
Also on Medicaid19%

Dr. Nayak's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nayak's Medicare patients by sex, 2024

  • Women3552%
  • Men3248%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Mood disorders48%
  5. Chronic kidney disease46%
  6. Heart failure46%
  7. Ischemic heart disease46%
  8. Depression43%

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

Dr. Nayak's patients across all payers

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

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Lalitha Nayak wrote 41 Medicare Part D claims in 2024

In 2024, Dr. Nayak wrote 41 Medicare Part D claims for 12 patients. Every claim was for a generic drug. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $7,914 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

Part D claims, 202441
Drugs named by CMS2
Total drug cost$7,914
Part D patients12

Dr. Nayak'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: 122024: 27125%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Nayak

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

Dr. Lalitha Nayak scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Nayak for performance year 2024, reported as part of a group. Dr. Nayak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nayak as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Nayak's MIPS scores, performance year 2024

  • 81of 100Final score
  • 63.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Lalitha Nayak has 41 publications on record

Dmand AI links 41 papers to Dr. Nayak, published from 2010 to 2025. 2020 was the busiest year, with 7. The most frequent topics are Thrombosis, Kruppel-Like Transcription Factors and Mice, Inbred C57BL. Dr. Nayak has published most often in Blood. Dr. Nayak's most frequent co-authors are Alvin H. Schmaier, MD, Mouhamed Yazan Abou-Ismail, MD and Jane Allison Little, MD.

Papers41
Years published2010 to 2025

Dr. Nayak's papers by year, 2014 to 2025

Topics Dr. Nayak writes about most

  • Thrombosis
  • Kruppel-Like Transcription Factors
  • Mice, Inbred C57BL
  • Neutrophils
  • Cells, Cultured
  • Inflammation
  • Mice, Knockout
  • Anemia, Sickle Cell

Dr. Nayak's most frequent co-authors

Recent publications by Dr. Nayak

See all 41 publications and co-authors

See who Dr. Nayak researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nayak works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Lalitha Nayak has worked on 1 clinical trial

Dmand AI links Dr. Nayak to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Anemia, Sickle Cell and Anemia, Hemolytic, Congenital.

Conditions in Dr. Nayak's trials

  • Anemia, Sickle Cell
  • Anemia, Hemolytic, Congenital

Investigators on the most trials with Dr. Nayak

Recent clinical trials with Dr. Nayak

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Lalitha Nayak received $11,731 in industry payments from 2016 to 2024

CMS Open Payments shows 105 general payments to Dr. Nayak from 35 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 69% of the total. Alnylam Pharmaceuticals Inc. paid the most, $9,393.

General payments to Dr. Nayak by program year, 2016 to 2024

General payments to Dr. Nayak by kind, 2016 to 2024

$11.7Kin total
  • Consulting fees$8,10069%
  • Food and beverage$2,46221%
  • Travel and lodging$1,16910%

Companies that paid Dr. Nayak the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Nayak

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

Sources for Dr. Lalitha Nayak'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Lalitha Nayak

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. Lalitha Nayak's NPI number?

Dr. Lalitha Nayak's NPI number is 1699803866. It was assigned on March 1, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Lalitha Nayak?

Dr. Lalitha Nayak is a hematologist and oncologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Lalitha Nayak practice?

Dr. Nayak practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Nayak's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Nayak to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 behavioral health center.

What is Dr. Lalitha Nayak's office phone number?

The practice phone on file for Dr. Nayak is (317) 962-2000.

What is Dr. Lalitha Nayak's medical license number?

Dr. Nayak holds Ohio license 35.097317, one of the licenses on file in 2 states.

Which states has Dr. Lalitha Nayak been licensed in?

Dmand AI has state licenses on file for Dr. Nayak in Ohio and Indiana.

Which hospitals is Dr. Lalitha Nayak affiliated with?

Dr. Nayak practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. Nayak is also affiliated with Sidney & Lois Eskenazi Hospital. Dmand AI links Dr. Nayak to 1 more hospital.

What medical group is Dr. Lalitha Nayak part of?

Dr. Nayak is linked to IU Health Medical Group. Dmand AI links Dr. Nayak to 2 more medical groups.

Does Dr. Lalitha Nayak accept Medicare?

Yes. CMS data shows Dr. Nayak billed Medicare for 102 services in 2024, and Dr. Nayak accepts Medicare assignment.

Does Dr. Lalitha Nayak offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Nayak as offering telehealth services.

Show 8 more questionsShow fewer questions

What is Dr. Lalitha Nayak's MIPS score?

Dr. Nayak's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Dr. Lalitha Nayak see?

CMS counts 67 Medicare patients who saw Dr. Nayak in 2024, with an average age of 71.

What services does Dr. Lalitha Nayak bill to Medicare?

In 2024, Dr. Nayak's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99223) and hospital inpatient care (99233).

What drugs does Dr. Lalitha Nayak prescribe most?

In 2024 Medicare Part D data, Dr. Nayak's most prescribed drugs by claims were Tranexamic Acid and Deferasirox.

Has Dr. Lalitha Nayak received payments from drug or device companies?

CMS Open Payments shows $11,731 in general payments to Dr. Nayak from 35 companies from 2016 to 2024. The largest total came from Alnylam Pharmaceuticals Inc.

How long has Dr. Lalitha Nayak been practicing?

Dr. Nayak graduated from medical school in 1997, 29 years ago.

Does Dr. Lalitha Nayak do research?

Dmand AI links 41 publications to Dr. Nayak, published from 2010 to 2025. Dr. Nayak has worked on 1 clinical trial.

Who does Dr. Lalitha Nayak publish with?

Dr. Nayak's most frequent co-authors are Alvin H. Schmaier, MD (7 shared papers), Mouhamed Yazan Abou-Ismail, MD (5 shared papers) and Jane Allison Little, MD (3 shared papers).

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