HASAN BADER M.D.
NPI 1275989998
Internal Medicine - Gastroenterology in Rockford, IL

Q: What is Hasan Bader's NPI number?

The NPI number for Hasan Bader is 1275989998. It was assigned to this individual provider in the NPPES registry on May 12, 2016.

Q: What is Hasan Bader's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Hasan Bader was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 May 12, 2016PECOS EnrolledAccepts Medicare Assignment

80.46/100

CMS Quality Rating

401 ROXBURY RD, ROCKFORD, IL 61107(815) 381-7340 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2025, Jul 8, 2022, May 12, 2016 (3 updates tracked since 2016).

On this page

About Hasan Bader M.d. NPPES

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

HASAN BADER M.D. (NPI 1275989998) is an individual gastroenterology provider in Rockford, Illinois, licensed in Wisconsin (68729) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Osf Saint Elizabeth Mdl Ctr, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1275989998

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameHASAN BADERCredential: M.D.

Location Address401 ROXBURY RDRockford, IL 61107-5078

Mailing Address401 Roxbury RdRockford, IL 61107-5075 · (815) 397-7340

Phone(815) 381-7340

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMay 12, 2016

Last NPPES UpdateSeptember 17, 20253 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2025

✔ NPI 1275989998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WI · 68729

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.

401 ROXBURY RD, Rockford, IL 61107

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Other Identifiers 1

Medicaid1275989998WI

Accepted Insurance

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

Hasan Bader 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 ID2365792686

PECOS Enrollment IDI20231004000945

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 Hasan Bader reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rockford Gastroenterology Associates, Ltd.

Same address

Specialist

401 ROXBURY RD
Rockford, IL 61107

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

NPI 1447207741 (815) 397-7340

The Medical College Of Wisconsin, Inc.

73 mi

Internal Medicine

8701 WATERTOWN PLANK RD
Milwaukee, WI 53226

Reassigned Medicare billing, Wisconsin enrollment
3,983 clinicians in this Medicare group

NPI 1699720086 (414) 955-7101

Osf Multi-Specialty Group

107 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1154908929 (309) 683-5050

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 15

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

138 services57 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

74 services74 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.

73 services73 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

60 services59 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.

55 services55 patients

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.

37 services37 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.

30 services25 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

22 services22 patients

Review by radiologist of image from tube placement into bile duct using an endoscope 74328

This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.

21 services20 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

16 services16 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.

15 services15 patients

Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43242

This procedure involves using an ultrasound to guide a needle to specific areas in the esophagus, stomach, or upper small bowel. A flexible endoscope is used to reach these areas. The needle collects a small sample for testing.

13 services13 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43259

This procedure involves a flexible tube with a camera, called an endoscope, inserted through your mouth to examine your esophagus, stomach, and upper small bowel. An ultrasound device on the endoscope helps get detailed images. It's safe and helps diagnose various conditions.

12 services12 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

11 services11 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Osf Saint Elizabeth Mdl Ctr

Acute Care Hospitals · Ottawa, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140110

Location1100 E Norris DriveOttawa, IL 61350 · La Salle County

Emergency services Birthing friendly

Saint Anthony Medical Center

Acute Care Hospitals · Rockford, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140233

Location5666 East State StreetRockford, IL 61108 · Winnebago County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61107 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.46/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

66.24

Promoting Interoperability

100

Improvement Activities

Cost

68.64

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.

WILLIAM N BASKIN M.D.

Internal Medicine (Gastroenterology)