RAJESH T IYENGAR MD
NPI 1821023714
Family Medicine in Chicago, IL

Q: What is Rajesh Iyengar's NPI number?

The NPI number for Rajesh Iyengar is 1821023714. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Rajesh Iyengar's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Rajesh Iyengar was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 11, 2006PECOS EnrolledAccepts Medicare Assignment

3000 N HALSTED ST STE 600, CHICAGO, IL 60657(773) 697-3729(312) 533-2817 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2025, Mar 20, 2018, Feb 15, 2017 (3 updates tracked since 2017).

On this page

About Rajesh T Iyengar Md NPPES

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

RAJESH T IYENGAR MD (NPI 1821023714) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036-112541) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1821023714

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameRAJESH T IYENGARCredential: MD

Location Address3000 N HALSTED ST STE 600Chicago, IL 60657-9269

Mailing Address3000 N Halsted St Ste 600Chicago, IL 60657-9269 · (773) 697-3729 · Fax (312) 533-2817

Phone(773) 697-3729

Fax(312) 533-2817

Sole ProprietorYes

Medical School CMSOtherGraduated 1997

Enumeration DateJuly 11, 2006

Last NPPES UpdateMarch 3, 20253 updates tracked since enumeration

NPPES CertifiedMarch 3, 2025

✔ NPI 1821023714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036-112541

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

3000 N HALSTED ST STE 600, Chicago, IL 60657

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Other Identifiers 1

Medicaid036-112541IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rajesh T Iyengar 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 ID3274591821

PECOS Enrollment IDI20041229000208, I20220714001733

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.

Medicare Billing Reassignments

Medicare enrollment records show Rajesh Iyengar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sunshine Wounds LLC

Same address

Internal Medicine

3000 N HALSTED ST STE 600
Chicago, IL 60657

Reassigned Medicare billing, Illinois and Indiana enrollments
8 clinicians in this Medicare group

NPI 1831917368 (708) 237-9535

Instavaxx LLC

Same address

Family Medicine

3000 N HALSTED ST STE 600
Chicago, IL 60657

Reassigned Medicare billing, Illinois enrollment
5 clinicians in this Medicare group

NPI 1134793771 (773) 697-3729

Radial Health Sc

3.6 mi

Physical Medicine & Rehabilitation

401 N MICHIGAN AVE STE 1200
Chicago, IL 60611

Reassigned Medicare billing, Illinois and Indiana enrollments
59 clinicians in this Medicare group

NPI 1215954185 (847) 289-5727

Radial Wound PLLC

27 mi

Internal Medicine

2500 W HIGGINS RD
Hoffman Estates, IL 60169

Reassigned Medicare billing, Illinois enrollment
8 clinicians in this Medicare group

NPI 1740009042 (847) 289-5727

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

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 straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

1,239 services137 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.

1,196 services117 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

440 services66 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

438 services48 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

427 services84 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

339 services331 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

332 services324 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

243 services36 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

215 services35 patients

Therapy procedure using ultrasound 97610

Ultrasound therapy is a treatment used to heal and relieve pain. It involves using sound waves to stimulate body tissues, promoting healing and reducing inflammation. It's non-invasive, painless, and typically used for muscle, ligament injuries, or chronic pain.

185 services35 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

175 services49 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

122 services20 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

109 services109 patients

Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less 15271

This procedure involves applying a skin substitute graft to a wound on the trunk, arms, or legs. The graft, a lab-grown skin, is used to cover a wound area of 25.0 sq cm or less, within a total wound area of 100.0 sq cm or less. It aids in healing and regeneration.

90 services19 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.

73 services64 patients

Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 90694

The quadrivalent inactivated influenza vaccine is a shot given to protect against four strains of the flu virus. This 0.5 ml dosage helps your body develop immunity to the virus. It's an important step in preventing flu-related complications.

60 services60 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

48 services17 patients

Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 99345

A new patient home visit is a comprehensive 75-minute appointment conducted at your home. The healthcare professional will assess your health, discuss any concerns, and create a personalized care plan. It's convenient, comfortable, and tailored to your specific needs.

45 services44 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

37 services31 patients

Influenza vaccine, quadrivalent derived from cell cultures 90756

The quadrivalent influenza vaccine, derived from cell cultures, is a flu shot that protects against four different flu viruses. It's made in labs using cell cultures instead of eggs, making it a good option for those with egg allergies. It's a crucial tool in preventing the flu.

36 services36 patients

Nursing facility discharge day management, 30 minutes or less 99315

Nursing facility discharge day management involves organizing your transition from the nursing facility to your home or another facility. This service, taking 30 minutes or less, includes finalizing medical instructions, arranging follow-up care, and answering any questions.

31 services29 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

29 services25 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

22 services20 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.

18 services18 patients

Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 90674

The quadrivalent influenza vaccine is a flu shot that protects against four different flu viruses. Derived from cell cultures, it is free of preservatives and antibiotics. It's a safe and effective way to reduce your risk of getting the flu.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60657 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261

DME-Hospital Beds · category DB000N

3 suppliers13 claims13 services$45.64 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers12 claims12 services$15.77 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

INSTAVAXX LLC

Family Medicine

3000 N HALSTED ST STE 600
CHICAGO, IL 60657

Cook County (773) 697-3729

SUNSHINE WOUNDS LLC

Internal Medicine

3000 N HALSTED ST STE 600
CHICAGO, IL 60657

Cook County (708) 237-9535

CAPRI REESE APRN

Nurse Practitioner (Family)

3000 N HALSTED ST STE 600
CHICAGO, IL 60657

Cook County (773) 697-3729

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 Rajesh Iyengar's NPI number?

The NPI number for Rajesh Iyengar is 1821023714. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Rajesh Iyengar located?

Rajesh Iyengar practices at 3000 N Halsted St Ste 600, Chicago, IL 60657. The listed phone number is (773) 697-3729.

What is Rajesh Iyengar's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Rajesh Iyengar enrolled in Medicare?

Yes. Rajesh Iyengar 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.

Which organizations bill Medicare for Rajesh Iyengar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rajesh Iyengar reassigns Medicare benefits to 4 organizations: Sunshine Wounds LLC (Chicago, IL), Instavaxx LLC (Chicago, IL), Radial Health Sc (Chicago, IL) and Radial Wound PLLC (Hoffman Estates, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rajesh Iyengar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rajesh Iyengar accept?

Health plans from CareSource list Rajesh Iyengar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rajesh Iyengar was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.