1. Home
  2. Directory
  3. Illinois
  4. Olympia Fields
  5. Internal Medicine
  6. NPI Profile

SANGEET DHILLON-JHATTU M.D.
NPI 1912240797
Internal Medicine - Nephrology in Olympia Fields, IL

Active since March 31, 2013PECOS EnrolledAccepts Medicare Assignment
3700 W 203RD ST STE 201, OLYMPIA FIELDS, IL 60461(708) 679-2120(708) 503-3230 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2025, Nov 22, 2024, Jun 26, 2024 and 4 more (7 updates tracked since 2016).

About Sangeet Dhillon-jhattu M.d. NPPES

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

SANGEET DHILLON-JHATTU M.D. (NPI 1912240797) is an individual nephrology provider in Olympia Fields, Illinois, licensed in Illinois (036.140164) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Olympia & Chicago Heights, and maintains a secondary practice location in Munster.

NPPES Registry Identity

NPI1912240797
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameSANGEET DHILLON-JHATTUCredential: M.D.
Location Address3700 W 203RD ST STE 201Olympia Fields, IL 60461-1182
Mailing Address210 S Desplaines StChicago, IL 60661-5500 · (312) 654-2720
Phone(708) 679-2120
Fax(708) 503-3230
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 31, 2013
Last NPPES UpdateApril 2, 20257 updates tracked since enumeration
NPPES CertifiedApril 2, 2025
✔ NPI 1912240797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IL · 036.140164
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036.140164 (IL)
3700 W 203RD ST STE 201, Olympia Fields, IL 60461
Open in Google Maps ↗

Secondary Practice Location 1

Location 19108 Columbia AveMunster, IN 46321-2907 · Phone (219) 836-8901 · Fax (866) 954-5804

Other Identifiers 1

Medicaid036140164IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.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

Sangeet Dhillon-jhattu M.d. 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 ID8527363357
PECOS Enrollment IDI20180919001598, I20181024002861
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

2

Medicare enrollment records show Sangeet Dhillon-jhattu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Specialty Physicians Of Illinois, LLC
4.8 mi
Urgent Care
20180 S LAGRANGE RD
Frankfort, IL 60423
  • Reassigned Medicare billing, Illinois enrollment
  • 148 clinicians in this Medicare group
NPI 1962024612 (815) 464-2010
Associates In Nephrology, S.C.
25 mi
Nephrology
210 S DESPLAINES ST
Chicago, IL 60661
  • Reassigned Medicare billing, Illinois and Indiana enrollments
  • Medicare enrollment name: Associates In Nephrology Sc
  • 55 clinicians in this Medicare group
NPI 1184694259 (312) 654-2721

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 5

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 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.
320 services85 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.
290 services93 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 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.
48 services42 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
41 services35 patients

Hospital Affiliations CMS Care Compare 3

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

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140172
Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County
Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60461 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 8

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

DR. MATTHEW L MARTENS D.O.
Surgery
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2120
DR. TILEMAHOS D SPYRATOS D.O.
Internal Medicine (Gastroenterology)
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2380
ADRIENNE FREGIA MD
Internal Medicine (Gastroenterology)
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2380
IRA KUMAR M.D.
Pediatrics
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2880
DR. AMER ALSAMMAN MD
Internal Medicine (Gastroenterology)
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 852-2780
YOUNG-IL RO M.D.
Psychiatry & Neurology (Neurology)
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2120
DR. BRIDGETTE MILLICENT CARTWRIGHT ARNETT M.D., PHD
Psychiatry & Neurology (Neurology)
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 852-2780
DR. DANIEL E VERA M.D.
Surgery
3700 W 203RD ST STE 201
OLYMPIA FIELDS, IL 60461
Cook County (708) 679-2120

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 Sangeet Dhillon-jhattu's NPI number?

The NPI number for Sangeet Dhillon-jhattu is 1912240797. It was assigned to this individual provider in the NPPES registry on March 31, 2013.

Where is Sangeet Dhillon-jhattu located?

Sangeet Dhillon-jhattu practices at 3700 W 203rd St Ste 201, Olympia Fields, IL 60461. The listed phone number is (708) 679-2120.

What is Sangeet Dhillon-jhattu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Sangeet Dhillon-jhattu enrolled in Medicare?

Yes. Sangeet Dhillon-jhattu 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 Sangeet Dhillon-jhattu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sangeet Dhillon-jhattu reassigns Medicare benefits to 2 organizations: Specialty Physicians Of Illinois, LLC (Frankfort, IL) and Associates In Nephrology, S.C. (Chicago, 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 Sangeet Dhillon-jhattu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sangeet Dhillon-jhattu accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Sangeet Dhillon-jhattu 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.

Is Sangeet Dhillon-jhattu affiliated with any hospitals?

According to CMS data, Sangeet Dhillon-jhattu is affiliated with Franciscan Health Olympia & Chicago Heights, Osf Little Company Of Mary Medical Center and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Sangeet Dhillon-jhattu was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.