Dr. Sameera Natarajan, MD
- Medicare services, 2024
- 286
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 14,878
- Hospital affiliations
- 1
- Industry payments
- $264
- Practice address
- 17800 S Kedzie Ave., Hazel Crest, IL 60429
- Practice phone
- Call (708) 213-3355
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate South Suburban Hospital - Mammography
Mammography / Breast Imaging Center · Hazel Crest, Illinois
Find Dr. Natarajan's professional email, personal email and mobile number
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Dr. Sameera Natarajan is an internist in Hazel Crest, Illinois
Dr. Natarajan practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois.
Dr. Natarajan's NPI, 1659804417, was assigned on April 9, 2017. Dr. Natarajan holds Tennessee license 66858.
- NPI
- 1659804417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436420528
- NPI enumeration date
- April 9, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 213-3355
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sameera Natarajan practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois
Dr. Natarajan's primary practice is Advocate South Suburban Hospital - Mammography, at 17800 S Kedzie Ave., Hazel Crest, IL 60429. The practice phone is (708) 213-3355.
- Advocate South Suburban Hospital - Mammography17800 S Kedzie Ave., Hazel Crest, IL 60429Phone(708) 213-3355
Source: Dmand AI Affiliation Data
Dr. Sameera Natarajan is affiliated with 6 sites of care and 7 medical groups
Dr. Natarajan's primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Dr. Natarajan is also affiliated with Advocate Trinity Hospital. The medical group on file is TeamHealth. Dmand AI also links Dr. Natarajan to 6 more medical groups, 2 group practices and clinics and 2 skilled nursing facilities, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sameera Natarajan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Natarajan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate South Suburban Hospital - Mammography | Available with a free account |
| +5 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sameera Natarajan is one of 5,652 internists in Illinois
Internal medicine is Dr. Natarajan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Natarajan's licenses on file in 3 states: Tennessee, Illinois and Missouri.
Specialties and state licenses
- Internal medicine, TennesseePrimary
- Illinois license
- Hospitalist, Missouri
Internists near Dr. Natarajan
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. Sameera Natarajan billed Medicare for 286 services in 2024
CMS data shows 286 Medicare services from Dr. Natarajan across 3 procedure codes in 2024, for 156 Medicare patients. Medicare paid $24,700 for them.
Dr. Natarajan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5052024: 28643%
Where Dr. Natarajan's Medicare services took place, 2024
- In an office4616%
- In a facility24084%
Dr. Natarajan compared with the Illinois median for internists, 2024
- Dr. Natarajan
- Illinois median
- Medicare services
- 286vs 56649% below
- Medicare patients
- 156vs 20825% below
- Part D claims
- 14,392vs 28450.7 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Natarajan'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sameera Natarajan treated 156 Medicare patients in 2024, average age 80
CMS counts 156 Medicare patients who saw Dr. Natarajan in 2024. The largest group is 85 and over, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.62, 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. Natarajan's median patient age at 76, with 70% women.
Dr. Natarajan's Medicare patients by age, 2024
Dr. Natarajan's Medicare patients by sex, 2024
- Women10165%
- Men5535%
Chronic conditions among Dr. Natarajan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders72%
- Anxiety69%
- Depression65%
- Alzheimer's and dementia59%
- Arthritis53%
- Diabetes49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Natarajan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sameera Natarajan wrote 14,878 Medicare Part D claims in 2024
In 2024, Dr. Natarajan wrote 14,878 Medicare Part D claims for 210 patients. 92% of them were for generic drugs. CMS names the drug for 14,392 of them, across 132 drugs with 11 or more claims each, at $310,800 in total drug cost. In 2023, CMS named 8,140 claims across 122 drugs.
Dr. Natarajan's Part D claims by kind of drug, 2024
- Generic13,695 claims92%
- Brand-name and other1,183 claims8%
Dr. Natarajan'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. Natarajan's Part D claims, 2024
- Opioids1%163 of 14,878 claims
- Antibiotics1%84 of 14,878 claims
- Antipsychotics, patients 65 and over3%462 of 14,878 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: 8,1402024: 14,39277%
Drugs named by CMS: 132 in 2024, 122 in 2023.
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. Sameera Natarajan takes part in Medicare
Dr. Natarajan 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. Sameera Natarajan received $264 in industry payments in 2023
CMS Open Payments shows 6 general payments to Dr. Natarajan from 3 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $136.
Companies that paid Dr. Natarajan the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sameera Natarajan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sameera Natarajan
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. Sameera Natarajan's NPI number?
Dr. Sameera Natarajan's NPI number is 1659804417. It was assigned on April 9, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Sameera Natarajan?
Dr. Sameera Natarajan is an internist in Hazel Crest, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sameera Natarajan practice?
Dr. Natarajan practices at 17800 S Kedzie Ave., Hazel Crest, IL 60429. Dr. Natarajan's primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Dmand AI also links Dr. Natarajan to 6 medical groups, 2 group practices and clinics and 2 skilled nursing facilities.
What is Dr. Sameera Natarajan's office phone number?
The practice phone on file for Dr. Natarajan is (708) 213-3355.
What is Dr. Sameera Natarajan's medical license number?
Dr. Natarajan holds Tennessee license 66858, one of the licenses on file in 3 states.
Which states has Dr. Sameera Natarajan been licensed in?
Dmand AI has state licenses on file for Dr. Natarajan in Tennessee, Illinois and Missouri.
Which hospitals is Dr. Sameera Natarajan affiliated with?
Dr. Natarajan is affiliated with Advocate Trinity Hospital.
What medical group is Dr. Sameera Natarajan part of?
Dr. Natarajan is linked to TeamHealth. Dmand AI links Dr. Natarajan to 6 more medical groups.
Does Dr. Sameera Natarajan accept Medicare?
Yes. CMS data shows Dr. Natarajan billed Medicare for 286 services in 2024, and Dr. Natarajan accepts Medicare assignment.
How many Medicare patients does Dr. Sameera Natarajan see?
CMS counts 156 Medicare patients who saw Dr. Natarajan in 2024, with an average age of 80.
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What services does Dr. Sameera Natarajan bill to Medicare?
In 2024, Dr. Natarajan's most billed Medicare services were nursing facility care (99309), nursing facility care (99306) and nursing facility care (99305).
What drugs does Dr. Sameera Natarajan prescribe most?
In 2024 Medicare Part D data, Dr. Natarajan's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Eliquis.
Has Dr. Sameera Natarajan received payments from drug or device companies?
CMS Open Payments shows $264 in general payments to Dr. Natarajan from 3 companies from 2023 to 2023. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Sameera Natarajan been practicing?
Dr. Natarajan graduated from medical school in 2016, 10 years ago.
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