DR. SAMEERA NATARAJAN MD
NPI 1659804417
Internal Medicine in Hazel Crest, IL

Active since April 09, 2017PECOS EnrolledAccepts Medicare Assignment
17800 KEDZIE AVE, HAZEL CREST, IL 60429(708) 799-8000(708) 623-7628 Get Directions Write a Review

NPPES record last updated: November 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 10, 2025, Sep 18, 2024, Feb 17, 2023 and 5 more (8 updates tracked since 2018).

About Dr. Sameera Natarajan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SAMEERA NATARAJAN MD (NPI 1659804417) is an individual internal medicine provider in Hazel Crest, Illinois, licensed in Illinois (336.126650) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1659804417
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SAMEERA NATARAJANCredential: MD
Location Address17800 KEDZIE AVEHazel Crest, IL 60429-2029
Mailing Address12632 S Harlem AvePalos Heights, IL 60463-1428 · (708) 587-0000 · Fax (708) 623-7628
Fax(708) 623-7628
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 9, 2017
Last NPPES UpdateNovember 10, 20258 updates tracked since enumeration
NPPES CertifiedNovember 10, 2025
NPI 1659804417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in IL · 336.126650 Licensed in IL · 036.171497 Licensed in TN · 66858 Licensed in MO · 2020021223
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 2020021223 (MO)
17800 KEDZIE AVE, Hazel Crest, IL 60429

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Sameera Natarajan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436420528
PECOS Enrollment IDI20250116002765
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
157 services81 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
58 services52 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
46 services21 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
25 services25 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60429 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Occupational Therapist
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Psychiatry & Neurology (Psychiatry)
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Occupational Therapist
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Family Medicine
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Physician Assistant
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Nurse Practitioner (Neonatal, Critical Care)
17800 KEDZIE AVE
HAZEL CREST, IL 60429
Emergency Medicine
17800 KEDZIE AVE
HAZEL CREST, IL 60429

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sameera Natarajan's NPI number?

The NPI number for Sameera Natarajan is 1659804417. It was assigned to this individual provider in the NPPES registry on April 9, 2017.

Where is Sameera Natarajan located?

Sameera Natarajan practices at 17800 Kedzie Ave, Hazel Crest, IL 60429. The listed phone number is (708) 799-8000.

What is Sameera Natarajan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sameera Natarajan enrolled in Medicare?

Yes. Sameera Natarajan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Sameera Natarajan affiliated with any hospitals?

According to CMS data, Sameera Natarajan is affiliated with Advocate Trinity Hospital.

When was this NPI record last updated?

The NPPES record for Sameera Natarajan was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.