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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOHAMMAD R SHAKER MD
NPI 1639223928
Otolaryngology in Joliet, IL

Active since January 23, 2007PECOS Enrolled
1150 ESSINGTON RD STE 101, JOLIET, IL 60435(888) 938-3838(888) 919-1083 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 22, 2021, Nov 15, 2021, Oct 14, 2021 and 2 more (5 updates tracked since 2016).

About Mohammad R Shaker Md NPPES

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

MOHAMMAD R SHAKER MD (NPI 1639223928) is an individual otolaryngology provider in Joliet, Illinois, licensed in Illinois (036105323) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (1994).

NPPES Registry Identity

NPI1639223928
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameMOHAMMAD R SHAKERCredential: MD
Location Address1150 ESSINGTON RD STE 101Joliet, IL 60435-8447
Mailing Address10001 W Innovation Dr Ste 200Milwaukee, WI 53226-4851 · (888) 938-3838
Phone(888) 938-3838
Fax(888) 919-1083
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1994
Enumeration DateJanuary 23, 2007
Last NPPES UpdateOctober 19, 20265 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1639223928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Licenses✔ Licensed in IL · 036105323✔ Licensed in MN · 60895✔ Licensed in WI · 48503-20
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedOtolaryngology · Otology & NeurotologyTaxonomy 207YX0901X · License 48503-20 (WI)
1150 ESSINGTON RD STE 101, Joliet, IL 60435
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Other Identifiers 2

Medicaid34689900WI
Medicaid036105323IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and more.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

Mohammad R Shaker 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 ID5395731640
PECOS Enrollment IDI20140603001481
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 Mohammad Shaker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Ear Nose & Throat Specialists, PLLC
47 mi
Otolaryngology
925 N MILWAUKEE AVE UNIT 200
Vernon Hills, IL 60061
  • Reassigned Medicare billing, Illinois enrollment
  • 10 clinicians in this Medicare group
NPI 1184281735 (888) 938-3838
Mercy Health System Corporation
90 mi
Multi-Specialty
580 N WASHINGTON ST
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
NPI 1598718603 (608) 741-7630
Dean Health Systems, Inc
122 mi
Allergy & Immunology
1211 FISH HATCHERY RD
Madison, WI 53715
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,377 clinicians in this Medicare group
NPI 1053358846 (608) 252-8000

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 7

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.

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.
122 services117 patients
Ct scan of face without contrast 70486
A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.
112 services111 patients
Removal or destruction of growth of nose through nose 30117
This procedure involves removing or destroying a growth in the nose. It's done through the nostrils, so no external cuts are made. The growth could be a polyp, cyst, or other abnormal tissue. It helps improve breathing and reduces discomfort or other symptoms caused by the growth.
87 services69 patients
Biopsy or removal of nasal polyp or tissue using an endoscope 31237
A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.
71 services54 patients
Removal of nasal air passage under lining tissue 30140
This procedure, often done to improve breathing or address sinus issues, involves the removal of tissue from the lining of the nasal air passage. It's performed under anesthesia and recovery time varies based on individual health status.
70 services70 patients
Dilation of nasal sinus using an endoscope 31295
Dilation of the nasal sinus using an endoscope is a procedure to improve sinus drainage. A small tube with a camera, called an endoscope, is inserted into the nose. A balloon is then inflated to widen the sinus openings. This helps to relieve sinus pressure and symptoms.
62 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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 2

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

CHERYL PRISTAS LCSW, ICDVP
Social Worker (Clinical)
1150 ESSINGTON RD STE 101
JOLIET, IL 60435
Will County (815) 823-8460
STEPHAN JOHN RAKAR LPC
Counselor (Professional)
1150 ESSINGTON RD STE 101
JOLIET, IL 60435
Will County (815) 823-8460

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 Mohammad Shaker's NPI number?

The NPI number for Mohammad Shaker is 1639223928. It was assigned to this individual provider in the NPPES registry on January 23, 2007.

Where is Mohammad Shaker located?

Mohammad Shaker practices at 1150 Essington Rd Ste 101, Joliet, IL 60435. The listed phone number is (888) 938-3838.

What is Mohammad Shaker's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Mohammad Shaker enrolled in Medicare?

Yes. Mohammad Shaker 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 Mohammad Shaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Shaker reassigns Medicare benefits to 3 organizations: Advanced Ear Nose & Throat Specialists, PLLC (Vernon Hills, IL), Mercy Health System Corporation (Janesville, WI) and Dean Health Systems, Inc (Madison, WI). 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 Mohammad Shaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohammad Shaker accept?

Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz list Mohammad Shaker 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 Mohammad Shaker was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.