DR. MOHAMMED ISMAIL AL HAMATI MD
NPI 1851779920
Hospitalist in Belleville, IL

Active since May 11, 2015PECOS EnrolledAccepts Medicare Assignment
4500 MEMORIAL DR, BELLEVILLE, IL 62226(618) 257-6220(618) 257-6679 Get Directions Write a Review

NPPES record last updated: November 7, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 7, 2022, Apr 18, 2022, Jan 29, 2021 and 2 more (5 updates tracked since 2018).

About Dr. Mohammed Ismail Al Hamati Md NPPES

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

DR. MOHAMMED ISMAIL AL HAMATI MD (NPI 1851779920) is an individual hospitalist provider in Belleville, Illinois, licensed in Missouri (2020007033) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851779920
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MOHAMMED ISMAIL AL HAMATICredential: MD
Location Address4500 MEMORIAL DRBelleville, IL 62226
Mailing Address4500 Memorial DrBelleville, IL 62226-5360 · (618) 257-6220 · Fax (618) 257-6679
Fax(618) 257-6679
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 11, 2015
Last NPPES UpdateNovember 7, 20225 updates tracked since enumeration
NPPES CertifiedNovember 7, 2022
✔ NPI 1851779920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in MO · 2020007033✔ Licensed in IL · 036-145274
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2020007033 (MO)
4500 MEMORIAL DR, Belleville, IL 62226

Secondary Practice Locations 3

Location 12 S Hospital DrMurphysboro, IL 62966-3333 · Phone (618) 684-3156
Location 2201 S 14th StHerrin, IL 62948-3631 · Phone (618) 942-2171
Location 3405 W Jackson StCarbondale, IL 62901-1462 · Phone (618) 549-0721

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

Dr. Mohammed Ismail Al Hamati 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 ID3375845886
PECOS Enrollment IDI20181002003280
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

4

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

Internal Medicine
4500 MEMORIAL DR
Belleville, IL 62226
  • Reassigned Medicare billing, Illinois enrollment
  • 329 clinicians in this Medicare group
Hospitalist
1015 BOWLES AVE
Fenton, MO 63026
  • Reassigned Medicare billing, Missouri enrollment
  • 93 clinicians in this Medicare group
Internal Medicine
670 MASON RIDGE CENTER DR, STE 300
Saint Louis, MO 63141
  • Reassigned Medicare billing, Illinois enrollment
  • 507 clinicians in this Medicare group
Internal Medicine
1239 E MAIN ST
Carbondale, IL 62901
  • Reassigned Medicare billing, Illinois enrollment
  • 702 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 6

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 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.
392 services154 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
152 services146 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.
145 services90 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.
22 services11 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
12 services12 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.
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.

St Josephs Hospital

Acute Care Hospitals · Breese, IL
OwnershipVoluntary non-profit - Church
CMS Certification Number140145
Location9515 Holy Cross LnBreese, IL 62230 · Clinton County
Emergency services Birthing friendly

Hshs St Elizabeth's Hospital

Acute Care Hospitals · O Fallon, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140187
LocationOne St Elizabeth BoulevardO Fallon, IL 62269 · St. Clair County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62226 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
$131.14 typical visit price
range $56.28 – $173.35
Typical copayment $32.78 (range $14.07 – $43.33)
Most-billed visit code 99204
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
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.

Internal Medicine (Infectious Disease)
4500 MEMORIAL DR
BELLEVILLE, IL 62226
Nurse Practitioner
4500 MEMORIAL DR
BELLEVILLE, IL 62226
Nurse Practitioner
4500 MEMORIAL DR
BELLEVILLE, IL 62226
Physician Assistant
4500 MEMORIAL DR
BELLEVILLE, IL 62226
Nurse Anesthetist, Certified Registered
4500 MEMORIAL DR
BELLEVILLE, IL 62226
Pain Medicine (Pain Medicine)
4500 MEMORIAL DR, ANESTHESIA DEPT
BELLEVILLE, IL 62226
Emergency Medicine
4500 MEMORIAL DR, MEMORIAL HOSPITAL - ER
BELLEVILLE, IL 62226
Internal Medicine
4500 MEMORIAL DR
BELLEVILLE, IL 62226

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 Mohammed Al Hamati's NPI number?

The NPI number for Mohammed Al Hamati is 1851779920. It was assigned to this individual provider in the NPPES registry on May 11, 2015.

Where is Mohammed Al Hamati located?

Mohammed Al Hamati practices at 4500 Memorial Dr, Belleville, IL 62226. The listed phone number is (618) 257-6220.

What is Mohammed Al Hamati's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Mohammed Al Hamati enrolled in Medicare?

Yes. Mohammed Al Hamati 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 Mohammed Al Hamati's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammed Al Hamati reassigns Medicare benefits to 4 organizations: Cep America-Illinois Hospitalists, LLP (Belleville, IL), Galen Inpatient Physicians PC. (Fenton, MO), Fairview Heights Medical Group, Sc (Saint Louis, MO) and Southern Illinois Medical Services, Nfp (Carbondale, 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 Mohammed Al Hamati's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohammed Al Hamati accept?

Health plans from Medica list Mohammed Al Hamati 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 Mohammed Al Hamati affiliated with any hospitals?

According to CMS data, Mohammed Al Hamati is affiliated with St Josephs Hospital and Hshs St Elizabeth's Hospital.

When was this NPI record last updated?

The NPPES record for Mohammed Al Hamati was last updated on November 7, 2022. 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.