Dr. Neil Mukund Iyengar, MD

  • Atlanta, GA
  • Hematologist and oncologist
NPI1194987230PAC ID2567680929
Medicare services, 2024
142
Medicare patients, 2024
96
Part D claims, 2024
156
Publications
74
Clinical trials
6
Practice address
550 Peachtree Street, NE, Atlanta, GA 30308
Practice phone
Call (404) 686-2450
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Emory University Hospital Midtown

Hospital · Atlanta, Georgia

See all 8 affiliations

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Dr. Neil Mukund Iyengar is a hematologist and oncologist in Atlanta, Georgia

Dr. Iyengar practices at Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University.

Dr. Iyengar's NPI, 1194987230, was assigned on June 30, 2008. Dr. Iyengar graduated from University of Illinois College of Medicine at Chicago in 2008. Dr. Iyengar holds New York license 260648-1.

NPI and contact details
Medicare PAC ID
2567680929
NPI enumeration date
June 30, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(404) 686-2450
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Neil Mukund Iyengar practices at Emory University Hospital Midtown in Atlanta, Georgia

Dr. Iyengar's primary practice is Emory University Hospital Midtown, at 550 Peachtree Street, NE, Atlanta, GA 30308 in Fulton County. The practice phone is (404) 686-2450.

Source: Dmand AI Affiliation Data

Dr. Neil Mukund Iyengar is affiliated with 5 sites of care and 3 medical groups

Dr. Iyengar's primary practice is Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University. Dr. Iyengar is also affiliated with Emory University Hospital. The medical group on file is Emory Clinic. Dmand AI also links Dr. Iyengar to 1 more hospital, 2 medical groups, 1 clinical lab and 1 ambulatory surgery center, each named with a free account.

See all 8 affiliations for Dr. Iyengar

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

Dmand AI tracks the EHR system at Dr. Neil Mukund Iyengar's practice

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

EHR by site
SiteEHR vendor and product
Emory University Hospital MidtownAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Neil Mukund Iyengar is one of 379 hematologists and oncologists in Georgia

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

Specialties and state licenses

  • Hematology and oncology, New YorkPrimaryLicense 260648-1 · taxonomy 207RH0003X
  • Internal medicine, IllinoisLicense 125054742 · taxonomy 207R00000X

Hematologists and oncologists near Dr. Iyengar

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. Neil Mukund Iyengar billed Medicare for 142 services in 2024

CMS data shows 142 Medicare services from Dr. Iyengar across 3 procedure codes in 2024, all of them office visits, for 96 Medicare patients. Medicare paid $13,940 for them. Every service was in an office.

Medicare services, 2024142
Medicare patients96
Paid by Medicare$13,940
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 1412024: 1421%

Dr. Iyengar compared with the Georgia median for hematologists and oncologists, 2024

  • Dr. Iyengar
  • Georgia median
Medicare services
142vs 69179% below
Medicare patients
96vs 23559% below
Part D claims
110vs 67584% below

Medians across 350 hematologists and oncologists in Georgia with Dmand AI profiles that report each measure.

Dr. Iyengar'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. Iyengar

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

Dr. Neil Mukund Iyengar treated 96 Medicare patients in 2024, average age 72

CMS counts 96 Medicare patients who saw Dr. Iyengar in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have cancer, and 70% have high blood pressure. 20% are also on Medicaid. Their average risk score is 2.02, 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. Iyengar's median patient age at 69, with 86% women.

Medicare patients, 202496
Average age72
Average risk score2.02
Also on Medicaid20%

Dr. Iyengar's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. Cancer75%
  2. High blood pressure70%
  3. High cholesterol69%
  4. Arthritis47%
  5. Osteoporosis35%
  6. Diabetes28%
  7. Anxiety27%
  8. Ischemic heart disease25%

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

Dr. Iyengar'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

  • Women86%
  • Men14%

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

Dr. Neil Mukund Iyengar wrote 156 Medicare Part D claims in 2024

In 2024, Dr. Iyengar wrote 156 Medicare Part D claims for 57 patients. 89% of them were for generic drugs. CMS names the drug for 110 of them, across 2 drugs with 11 or more claims each, at $1,872 in total drug cost. In 2023, CMS named 92 claims across 3 drugs.

Part D claims, 2024156
Drugs named by CMS2
Total drug cost$1,872
Part D patients57

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

  • Generic139 claims89%
  • Brand-name17 claims11%

Dr. Iyengar'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: 922024: 11020%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Iyengar

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. Neil Mukund Iyengar scored 76 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Iyengar for performance year 2024, reported as part of a group. Dr. Iyengar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Iyengar's MIPS scores, performance year 2024

  • 76of 100Final score
  • 60.6of 100Quality
  • 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. Neil Mukund Iyengar has 74 publications on record

Dmand AI links 74 papers to Dr. Iyengar, published from 2013 to 2025. 2018 was the busiest year, with 7. The most frequent topics are Breast Neoplasms, Obesity and Inflammation. Dr. Iyengar has published most often in Cancer. Dr. Iyengar's most frequent co-authors are Patrick G. Morris, MD, Dilip D. Giri, MD and Clifford A. Hudis, MD.

Papers74
Years published2013 to 2025

Dr. Iyengar's papers by year, 2016 to 2025

Topics Dr. Iyengar writes about most

  • Breast Neoplasms
  • Obesity
  • Inflammation
  • Exercise
  • Body Mass Index
  • Exercise Therapy
  • Receptor, ErbB-2
  • Adipose Tissue, White

Dr. Iyengar's most frequent co-authors

Recent publications by Dr. Iyengar

See all 74 publications and co-authors

See who Dr. Iyengar researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Iyengar 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. Neil Mukund Iyengar has worked on 6 clinical trials

Dmand AI links Dr. Iyengar to 6 clinical trials, 2 of them phase 2 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Motor Activity and Behavior. Memorial Sloan Kettering Cancer Center sponsors the most, 6.

Clinical trials with Dr. Iyengar by phase

  1. 1Phase 1: 1 trial
  2. 2Phase 2: 2 trials
  3. NonePhase 3: no trials
  4. NonePhase 4: no trials

Trials with no phase (devices, behavioral studies) are left out.

Conditions in Dr. Iyengar's trials

  • Breast Neoplasms
  • Motor Activity
  • Behavior
  • Breast Diseases
  • Obesity

Investigators on the most trials with Dr. Iyengar

Recent clinical trials with Dr. Iyengar

See all 6 clinical trials and co-investigators

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

Dr. Neil Mukund Iyengar received $457,219 in industry payments from 2017 to 2025

CMS Open Payments shows 338 general payments to Dr. Iyengar from 15 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 46% of the total. Pfizer Inc. paid the most, $142,119. It also lists 6 research payments totaling $7,726 from 2021 to 2025.

General payments to Dr. Iyengar by program year, 2017 to 2025

General payments to Dr. Iyengar by kind, 2017 to 2025

$457.2Kin total
  • Consulting fees$210,31446%
  • Speaker and faculty fees$179,23339%
  • Travel and lodging$50,36011%
  • Food and beverage$9,0412%
  • Other$8,2602%

Companies that paid Dr. Iyengar the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Iyengar

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

Dr. Neil Mukund Iyengar graduated from University of Illinois College of Medicine at Chicago

Dr. Iyengar graduated from University of Illinois College of Medicine at Chicago in 2008.

  1. Medical schoolUniversity of Illinois College of Medicine at Chicago

Source: Dmand AI Professional Profile Data

Sources for Dr. Neil Mukund Iyengar'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)
Training, board certification and membershipsDmand AI Professional Profile 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. Neil Mukund Iyengar

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. Neil Mukund Iyengar's NPI number?

Dr. Neil Mukund Iyengar's NPI number is 1194987230. It was assigned on June 30, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Neil Mukund Iyengar?

Dr. Neil Mukund Iyengar is a hematologist and oncologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Neil Mukund Iyengar practice?

Dr. Iyengar practices at 550 Peachtree Street, NE, Atlanta, GA 30308. Dr. Iyengar's primary practice is Emory University Hospital Midtown in Atlanta, Georgia, part of Emory University. Dmand AI also links Dr. Iyengar to 1 hospital, 2 medical groups, 1 clinical lab and 1 ambulatory surgery center.

What is Dr. Neil Mukund Iyengar's office phone number?

The practice phone on file for Dr. Iyengar is (404) 686-2450.

What is Dr. Neil Mukund Iyengar's medical license number?

Dr. Iyengar holds New York license 260648-1, one of the licenses on file in 2 states.

Which states has Dr. Neil Mukund Iyengar been licensed in?

Dmand AI has state licenses on file for Dr. Iyengar in New York and Illinois.

Which hospitals is Dr. Neil Mukund Iyengar affiliated with?

Dr. Iyengar practices at Emory University Hospital Midtown in Atlanta, Georgia. Dr. Iyengar is also affiliated with Emory University Hospital. Dmand AI links Dr. Iyengar to 1 more hospital.

What medical group is Dr. Neil Mukund Iyengar part of?

Dr. Iyengar is linked to Emory Clinic. Dmand AI links Dr. Iyengar to 2 more medical groups.

Does Dr. Neil Mukund Iyengar accept Medicare?

Yes. CMS data shows Dr. Iyengar billed Medicare for 142 services in 2024, and Dr. Iyengar accepts Medicare assignment.

What is Dr. Neil Mukund Iyengar's MIPS score?

Dr. Iyengar's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Neil Mukund Iyengar see?

CMS counts 96 Medicare patients who saw Dr. Iyengar in 2024, with an average age of 72.

What services does Dr. Neil Mukund Iyengar bill to Medicare?

In 2024, Dr. Iyengar's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. Neil Mukund Iyengar go to medical school?

Dr. Iyengar graduated from University of Illinois College of Medicine at Chicago in 2008.

What drugs does Dr. Neil Mukund Iyengar prescribe most?

In 2024 Medicare Part D data, Dr. Iyengar's most prescribed drugs by claims were Letrozole and Anastrozole.

Has Dr. Neil Mukund Iyengar received payments from drug or device companies?

CMS Open Payments shows $457,219 in general payments to Dr. Iyengar from 15 companies from 2017 to 2025. The largest total came from Pfizer Inc.

How long has Dr. Neil Mukund Iyengar been practicing?

Dr. Iyengar graduated from medical school in 2008, 18 years ago.

Does Dr. Neil Mukund Iyengar do research?

Dmand AI links 74 publications to Dr. Iyengar, published from 2013 to 2025. Dr. Iyengar has worked on 6 clinical trials.

Who does Dr. Neil Mukund Iyengar publish with?

Dr. Iyengar's most frequent co-authors are Patrick G. Morris, MD (9 shared papers), Dilip D. Giri, MD (8 shared papers) and Clifford A. Hudis, MD (7 shared papers).

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