HADI SIDDIQUI D.O., M.P.H.
NPI 1639361413
Internal Medicine - Gastroenterology in Morris, IL

Active since August 15, 2007PECOS EnrolledAccepts Medicare Assignment
150 W HIGH ST, MORRIS, IL 60450(815) 942-2932 Get Directions Write a Review

NPPES record last updated: June 1, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 1, 2023, Sep 18, 2020, Aug 3, 2018 and 2 more (5 updates tracked since 2017).

About Hadi Siddiqui D.o., M.p.h. NPPES

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

HADI SIDDIQUI D.O., M.P.H. (NPI 1639361413) is an individual gastroenterology provider in Morris, Illinois, licensed in Indiana (02005178A) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1639361413
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameHADI SIDDIQUICredential: D.O., M.P.H.
Location Address150 W HIGH STMorris, IL 60450-1497
Mailing Address2022 Kelle DrChesterton, IN 46304-8708 · (219) 364-3616 · Fax (219) 364-3610
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateAugust 15, 2007
Last NPPES UpdateJune 1, 20235 updates tracked since enumeration
NPPES CertifiedJune 1, 2023
✔ NPI 1639361413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in IN · 02005178A✔ Licensed in TX · Q0562✔ Licensed in IL · 036-140810
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
150 W HIGH ST, Morris, IL 60450

Secondary Practice Locations 3

Location 1650 Dickinson Rd Ste ZChesterton, IN 46304-3387 · Phone (219) 464-9507 · Fax (219) 477-4690
Location 22206 Roosevelt Rd Ste BValparaiso, IN 46383-9618 · Phone (219) 464-9507 · Fax (219) 477-4690
Location 32206 Roosevelt Rd Ste AValparaiso, IN 46383 · Phone (219) 464-9507 · Fax (219) 477-4690

Accepted 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

Hadi Siddiqui D.o., M.p.h. 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 ID3274796560
PECOS Enrollment IDI20160817002730
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

3

Medicare enrollment records show Hadi Siddiqui reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Clinical Medical Laboratory
150 W HIGH ST
Morris, IL 60450
  • Reassigned Medicare billing, Illinois enrollment
  • 207 clinicians in this Medicare group
Family Medicine
15728 S RTE 59
Plainfield, IL 60544
  • Reassigned Medicare billing, Illinois enrollment
  • 381 clinicians in this Medicare group
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group

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 11

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
72 services72 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.
72 services51 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.
40 services32 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
29 services25 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.
28 services27 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
27 services24 patients

Hospital Affiliations CMS Care Compare 5

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

Loyola Gottlieb Memorial Hospital

Acute Care Hospitals · Melrose Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140008
Location701 West North AveMelrose Park, IL 60160 · Cook County
Emergency services

Adventist La Grange Memorial Hospital

Acute Care Hospitals · La Grange, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140065
Location5101 S Willow Springs RdLa Grange, IL 60525 · Cook County
Emergency services

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140122
Location120 North Oak StHinsdale, IL 60521 · Du Page County
Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140304
Location500 Remington BoulevardBolingbrook, IL 60440 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60450 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Clinical Medical Laboratory
150 W HIGH ST
MORRIS, IL 60450
Dietitian, Registered
150 W HIGH ST
MORRIS, IL 60450
Physician Assistant (Medical)
150 W HIGH ST
MORRIS, IL 60450
Emergency Medicine
150 W HIGH ST
MORRIS, IL 60450
Internal Medicine
150 W HIGH ST
MORRIS, IL 60450
Radiology (Diagnostic Radiology)
150 W HIGH ST
MORRIS, IL 60450
Dietitian, Registered
150 W HIGH ST
MORRIS, IL 60450
Internal Medicine (Endocrinology, Diabetes & Metabolism)
150 W HIGH ST
MORRIS, IL 60450

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 Hadi Siddiqui's NPI number?

The NPI number for Hadi Siddiqui is 1639361413. It was assigned to this individual provider in the NPPES registry on August 15, 2007.

Where is Hadi Siddiqui located?

Hadi Siddiqui practices at 150 W High St, Morris, IL 60450. The listed phone number is (815) 942-2932.

What is Hadi Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Hadi Siddiqui enrolled in Medicare?

Yes. Hadi Siddiqui 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 Hadi Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hadi Siddiqui reassigns Medicare benefits to 3 organizations: Morris Hospital (Morris, IL), Adventist Health Partners, Inc (Plainfield, IL) and Loyola University Medical Center (Maywood, 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 Hadi Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hadi Siddiqui accept?

Health plans from Ambetter Health and Oscar Health list Hadi Siddiqui 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 Hadi Siddiqui affiliated with any hospitals?

According to CMS data, Hadi Siddiqui is affiliated with Loyola Gottlieb Memorial Hospital, Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital, Loyola University Medical Center and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Hadi Siddiqui was last updated on June 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.