Dr. Siya Ann Nedumgottil, MD

  • Wheaton, IL
  • Internist
NPI1194037382
Medicare services, 2024
604
Medicare patients, 2024
170
Part D claims, 2024
1,539
Publications
1
Hospital affiliations
1
Practice address
26W171 Roosevelt Road, Wheaton, IL 60187
Practice phone
Call (630) 909-8000
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Siya Ann Nedumgottil is an internist in Wheaton, Illinois

Dr. Nedumgottil practices at Northwestern Medicine Marianjoy Rehabilitation Hospital in Wheaton, Illinois, part of Northwestern Memorial HealthCare.

Dr. Nedumgottil's NPI, 1194037382, was assigned on July 5, 2010. Dr. Nedumgottil holds Illinois license 036134247.

NPI and contact details
NPI enumeration date
July 5, 2010
NPI status
Active
Practice phone
(630) 909-8000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Siya Ann Nedumgottil practices at Northwestern Medicine Marianjoy Rehabilitation Hospital in Wheaton, Illinois

Dr. Nedumgottil's primary practice is Northwestern Medicine Marianjoy Rehabilitation Hospital, at 26W171 Roosevelt Road, Wheaton, IL 60187 in Dupage County. The practice phone is (630) 909-8000.

Source: Dmand AI Affiliation Data

Dr. Siya Ann Nedumgottil is affiliated with 2 sites of care and 1 medical group

Dr. Nedumgottil's primary practice is Northwestern Medicine Marianjoy Rehabilitation Hospital in Wheaton, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Nedumgottil to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Nedumgottil

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

Dmand AI tracks the EHR system at Dr. Siya Ann Nedumgottil's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nedumgottil practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Medicine Marianjoy Rehabilitation HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Siya Ann Nedumgottil is one of 5,652 internists in Illinois

Internal medicine is Dr. Nedumgottil's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nedumgottil is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125058824 · taxonomy 207R00000X

Internists near Dr. Nedumgottil

Counts of internists 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. Siya Ann Nedumgottil billed Medicare for 604 services in 2024

CMS data shows 604 Medicare services from Dr. Nedumgottil across 13 procedure codes in 2024, for 170 Medicare patients. Medicare paid $22,633 for them. Every service was in an office.

Medicare services, 2024604
Medicare patients170
Paid by Medicare$22,633
Procedure codes13

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

  • 2023
  • 2024
Lab and pathology
2023: 1,1182024: 27675%
Office and hospital visits
2023: 6982024: 19772%
Surgery
2023: 3072024: 8672%
Other services
2023: 2732024: 4584%
Tests and treatments
2023: 722024: 0100%

Dr. Nedumgottil compared with the Illinois median for internists, 2024

  • Dr. Nedumgottil
  • Illinois median
Medicare services
604vs 5667% above
Medicare patients
170vs 20818% below
Part D claims
1,194vs 2844.2 times

Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.

Dr. Nedumgottil'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. Nedumgottil

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

Dr. Siya Ann Nedumgottil treated 170 Medicare patients in 2024, average age 76

CMS counts 170 Medicare patients who saw Dr. Nedumgottil in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nedumgottil's median patient age at 54, with 72% women.

Medicare patients, 2024170
Average age76
Average risk score1.09
Also on Medicaid7%

Dr. Nedumgottil's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nedumgottil's Medicare patients by sex, 2024

  • Women15390%
  • Men1710%

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

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis47%
  4. Ischemic heart disease27%
  5. Diabetes25%
  6. Mood disorders21%
  7. Osteoporosis21%
  8. Depression20%

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

Dr. Nedumgottil's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women72%
  • Men26%

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

Dr. Siya Ann Nedumgottil wrote 1,539 Medicare Part D claims in 2024

In 2024, Dr. Nedumgottil wrote 1,539 Medicare Part D claims for 285 patients. 89% of them were for generic drugs. CMS names the drug for 1,194 of them, across 36 drugs with 11 or more claims each, at $17,703 in total drug cost. In 2023, CMS named 2,415 claims across 63 drugs.

Part D claims, 20241,539
Drugs named by CMS36
Total drug cost$17,703
Part D patients285

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

  • Generic1,370 claims89%
  • Brand-name148 claims10%
  • Other21 claims1%

Dr. Nedumgottil'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.

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

  • Antibiotics3%46 of 1,539 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,4152024: 1,19451%

Drugs named by CMS: 36 in 2024, 63 in 2023.

See all prescribing by Dr. Nedumgottil

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

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Dr. Siya Ann Nedumgottil has 1 publication on record

Dmand AI links 1 paper to Dr. Nedumgottil in 2012. Dr. Nedumgottil's most frequent co-authors are Alison Bertuch, PhD, Lucy Ann Godley and Kenan Onel, MD, PhD.

Papers1

Dr. Nedumgottil's most frequent co-authors

Recent publications by Dr. Nedumgottil

See all 1 publications and co-authors

See who Dr. Nedumgottil researches with

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

How network discovery works

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

Dr. Siya Ann Nedumgottil received $439 in industry payments from 2022 to 2024

CMS Open Payments shows 20 general payments to Dr. Nedumgottil from 9 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $140.

General payments to Dr. Nedumgottil by program year, 2022 to 2024

Companies that paid Dr. Nedumgottil the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Nedumgottil

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

Sources for Dr. Siya Ann Nedumgottil'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Siya Ann Nedumgottil

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. Siya Ann Nedumgottil's NPI number?

Dr. Siya Ann Nedumgottil's NPI number is 1194037382. It was assigned on July 5, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Siya Ann Nedumgottil?

Dr. Siya Ann Nedumgottil is an internist in Wheaton, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Siya Ann Nedumgottil practice?

Dr. Nedumgottil practices at 26W171 Roosevelt Road, Wheaton, IL 60187. Dr. Nedumgottil's primary practice is Northwestern Medicine Marianjoy Rehabilitation Hospital in Wheaton, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Nedumgottil to 1 group practice or clinic.

What is Dr. Siya Ann Nedumgottil's office phone number?

The practice phone on file for Dr. Nedumgottil is (630) 909-8000.

What is Dr. Siya Ann Nedumgottil's medical license number?

Dr. Nedumgottil holds Illinois license 036134247.

Which hospitals is Dr. Siya Ann Nedumgottil affiliated with?

Dr. Nedumgottil practices at Northwestern Medicine Marianjoy Rehabilitation Hospital in Wheaton, Illinois.

What medical group is Dr. Siya Ann Nedumgottil part of?

Dr. Nedumgottil is linked to DuPage Medical Group.

Does Dr. Siya Ann Nedumgottil accept Medicare?

Yes. CMS data shows Dr. Nedumgottil billed Medicare for 604 services in 2024.

How many Medicare patients does Dr. Siya Ann Nedumgottil see?

CMS counts 170 Medicare patients who saw Dr. Nedumgottil in 2024, with an average age of 76.

What services does Dr. Siya Ann Nedumgottil bill to Medicare?

In 2024, Dr. Nedumgottil's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80053).

Show 5 more questionsShow fewer questions

What drugs does Dr. Siya Ann Nedumgottil prescribe most?

In 2024 Medicare Part D data, Dr. Nedumgottil's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.

Has Dr. Siya Ann Nedumgottil received payments from drug or device companies?

CMS Open Payments shows $439 in general payments to Dr. Nedumgottil from 9 companies from 2022 to 2024. The largest total came from Eli Lilly and Company.

How long has Dr. Siya Ann Nedumgottil been practicing?

Dr. Nedumgottil graduated from medical school in 2010, 16 years ago.

Does Dr. Siya Ann Nedumgottil do research?

Dmand AI links 1 publication to Dr. Nedumgottil.

Who does Dr. Siya Ann Nedumgottil publish with?

Dr. Nedumgottil's most frequent co-authors are Alison Bertuch, PhD (1 shared paper), Lucy Ann Godley (1 shared paper) and Kenan Onel, MD, PhD (1 shared paper).

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