Dr. Rajesh S. Pillai, MD

  • Elgin, IL
  • Gastroenterologist
NPI1083836027PAC ID8921085978
Medicare services, 2024
1,223
Medicare patients, 2024
631
Part D claims, 2024
1,672
Publications
2
Clinical trials
1
Practice address
1425 North Randall Road, Elgin, IL 60123
Practice phone
Call (847) 742-9800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Advocate Sherman Hospital

Hospital · Elgin, Illinois

See all 10 affiliations

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Dr. Rajesh S. Pillai is a gastroenterologist in Elgin, Illinois

Dr. Pillai practices at Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health.

Dr. Pillai's NPI, 1083836027, was assigned on May 2, 2007. Dr. Pillai holds Illinois license 036109740.

NPI and contact details
Medicare PAC ID
8921085978
NPI enumeration date
May 2, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(847) 742-9800
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Rajesh S. Pillai practices at Advocate Sherman Hospital in Elgin, Illinois

Dr. Pillai's primary practice is Advocate Sherman Hospital, at 1425 North Randall Road, Elgin, IL 60123 in Kane County. The practice phone is (847) 742-9800.

Source: Dmand AI Affiliation Data

Dr. Rajesh S. Pillai is affiliated with 7 sites of care and 3 medical groups

Dr. Pillai's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Dr. Pillai is also affiliated with Saint Joseph Hospital. The medical group on file is Loyola University Medical Center. Dmand AI also links Dr. Pillai to 3 more hospitals, 2 medical groups, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.

See all 10 affiliations for Dr. Pillai

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

Dmand AI tracks the EHR system at Dr. Rajesh S. Pillai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pillai practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Advocate Sherman HospitalAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rajesh S. Pillai is one of 771 gastroenterologists in Illinois

Gastroenterology is Dr. Pillai's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Pillai is licensed in Illinois.

Specialties and state licenses

  • Gastroenterology, IllinoisPrimaryLicense 036109740 · taxonomy 207RG0100X

Gastroenterologists near Dr. Pillai

Counts of gastroenterologists 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. Rajesh S. Pillai billed Medicare for 1,223 services in 2024

CMS data shows 1,223 Medicare services from Dr. Pillai across 21 procedure codes in 2024, for 631 Medicare patients. Medicare paid $137,221 for them.

Medicare services, 20241,223
Medicare patients631
Paid by Medicare$137,221
Procedure codes21

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

  • 2023
  • 2024
Surgery
2023: 7252024: 80611%
Office and hospital visits
2023: 5182024: 37927%
Other services
2023: 222024: 3873%

Where Dr. Pillai's Medicare services took place, 2024

  • In an office18815%
  • In a facility1,03585%

Dr. Pillai compared with the Illinois median for gastroenterologists, 2024

  • Dr. Pillai
  • Illinois median
Medicare services
1,223vs 4982.5 times
Medicare patients
631vs 3072.1 times
Part D claims
1,516vs 3704.1 times

Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.

Dr. Pillai'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. Pillai

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

Dr. Rajesh S. Pillai treated 631 Medicare patients in 2024, average age 75

CMS counts 631 Medicare patients who saw Dr. Pillai in 2024. The largest group is 75 to 84, with 265 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.70, 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. Pillai's median patient age at 68, with 56% women.

Medicare patients, 2024631
Average age75
Average risk score1.70
Also on Medicaid12%

Dr. Pillai's Medicare patients by age, 2024

Dr. Pillai's Medicare patients by sex, 2024

  • Women35456%
  • Men27744%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Diabetes36%
  5. Ischemic heart disease35%
  6. Anxiety33%
  7. Mood disorders32%
  8. Chronic kidney disease31%

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

Dr. Pillai's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Rajesh S. Pillai wrote 1,672 Medicare Part D claims in 2024

In 2024, Dr. Pillai wrote 1,672 Medicare Part D claims for 571 patients. 92% of them were for generic drugs. CMS names the drug for 1,516 of them, across 28 drugs with 11 or more claims each, at $140,195 in total drug cost. In 2023, CMS named 1,369 claims across 27 drugs.

Part D claims, 20241,672
Drugs named by CMS28
Total drug cost$140,195
Part D patients571

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

  • Generic1,540 claims92%
  • Brand-name and other132 claims8%

Dr. Pillai'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. Pillai's Part D claims, 2024

  • Opioids2%32 of 1,672 claims
  • Antibiotics12%195 of 1,672 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: 1,3692024: 1,51611%

Drugs named by CMS: 28 in 2024, 27 in 2023.

See all prescribing by Dr. Pillai

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. Rajesh S. Pillai ranks in the 99th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Pillai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Pillai as offering telehealth. CMS counts 767 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Pillai, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Pillai ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
99th percentile767 procedures
Colonoscopy
79th percentile97 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Rajesh S. Pillai has 2 publications on record

Dmand AI links 2 papers to Dr. Pillai in 2011.

Papers2

Recent publications by Dr. Pillai

See all 2 publications and co-authors

See who Dr. Pillai researches with

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

How network discovery works

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

Dr. Rajesh S. Pillai has worked on 1 clinical trial

Dmand AI links Dr. Pillai to 1 clinical trial. Conditions studied include COVID-19 and Pneumonia, Viral.

Conditions in Dr. Pillai's trials

  • COVID-19
  • Pneumonia, Viral

Investigators on the most trials with Dr. Pillai

Recent clinical trials with Dr. Pillai

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

Dr. Rajesh S. Pillai received $2,325 in industry payments from 2016 to 2025

CMS Open Payments shows 44 general payments to Dr. Pillai from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Boston Scientific Corporation paid the most, $2,001.

General payments to Dr. Pillai by program year, 2016 to 2025

General payments to Dr. Pillai by kind, 2016 to 2025

$2.3Kin total
  • Food and beverage$2,30399%
  • Education$221%

Companies that paid Dr. Pillai the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Pillai

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

Sources for Dr. Rajesh S. Pillai'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)Doctors and Clinicians Utilization Data (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. Rajesh S. Pillai

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. Rajesh S. Pillai's NPI number?

Dr. Rajesh S. Pillai's NPI number is 1083836027. It was assigned on May 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Rajesh S. Pillai?

Dr. Rajesh S. Pillai is a gastroenterologist in Elgin, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Rajesh S. Pillai practice?

Dr. Pillai practices at 1425 North Randall Road, Elgin, IL 60123. Dr. Pillai's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Dmand AI also links Dr. Pillai to 3 hospitals, 2 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.

What is Dr. Rajesh S. Pillai's office phone number?

The practice phone on file for Dr. Pillai is (847) 742-9800.

What is Dr. Rajesh S. Pillai's medical license number?

Dr. Pillai holds Illinois license 036109740.

Which hospitals is Dr. Rajesh S. Pillai affiliated with?

Dr. Pillai practices at Advocate Sherman Hospital in Elgin, Illinois. Dr. Pillai is also affiliated with Saint Joseph Hospital. Dmand AI links Dr. Pillai to 3 more hospitals.

What medical group is Dr. Rajesh S. Pillai part of?

Dr. Pillai is linked to Loyola University Medical Center. Dmand AI links Dr. Pillai to 2 more medical groups.

Does Dr. Rajesh S. Pillai accept Medicare?

Yes. CMS data shows Dr. Pillai billed Medicare for 1,223 services in 2024, and Dr. Pillai accepts Medicare assignment.

Does Dr. Rajesh S. Pillai offer telehealth?

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

How many Medicare patients does Dr. Rajesh S. Pillai see?

CMS counts 631 Medicare patients who saw Dr. Pillai in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Dr. Rajesh S. Pillai bill to Medicare?

In 2024, Dr. Pillai's most billed Medicare services were surgery: digestive system (43239), office visit, established patient (99214) and hospital inpatient care (99232).

What drugs does Dr. Rajesh S. Pillai prescribe most?

In 2024 Medicare Part D data, Dr. Pillai's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Dicyclomine HCl.

Has Dr. Rajesh S. Pillai received payments from drug or device companies?

CMS Open Payments shows $2,325 in general payments to Dr. Pillai from 6 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Rajesh S. Pillai been practicing?

Dr. Pillai graduated from medical school in 1995, 31 years ago.

Does Dr. Rajesh S. Pillai do research?

Dmand AI links 2 publications to Dr. Pillai. Dr. Pillai has worked on 1 clinical trial.

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