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DR. MARK RAYMOND GILBERT M.D.
NPI 1851534960
Otolaryngology in Chicago, IL

Active since April 20, 2009PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1009 S WOOD ST, CHICAGO, IL 60612(312) 996-6269 Get Directions Write a Review

NPPES record last updated: December 14, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 14, 2025, Aug 23, 2022, Dec 26, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Mark Raymond Gilbert M.d. NPPES

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

DR. MARK RAYMOND GILBERT M.D. (NPI 1851534960) is an individual otolaryngology provider in Chicago, Illinois, licensed in Illinois (036176822) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851534960
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. MARK RAYMOND GILBERTCredential: M.D.
Location Address1009 S WOOD STChicago, IL 60612-3747
Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0943
Phone(312) 996-6269
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2009
Enumeration DateApril 20, 2009
Last NPPES UpdateDecember 14, 20255 updates tracked since enumeration
NPPES CertifiedDecember 14, 2025
✔ NPI 1851534960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Licenses✔ Licensed in IL · 036176822✔ Licensed in MO · 2018032428✔ Licensed in TN · 55586
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.
1009 S WOOD ST, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1525 N Keene St Ste 201Columbia, MO 65201-6967 · Phone (573) 882-7903 · Fax (573) 884-4607
Location 21501 S California AveChicago, IL 60608-1732 · Phone (773) 257-6859
Location 33601 The Vanderbilt ClinicNashville, TN 37232-2548 · Phone (615) 322-3000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Dr. Mark Raymond Gilbert 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 ID1951671338
PECOS Enrollment IDI20251209004364
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 Mark Gilbert reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Board Of Trustees Of The University Of Illinois
Same address
Otolaryngology
1855 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 27 clinicians in this Medicare group
NPI 1548480957 (312) 996-6582
Mount Sinai Community Foundation Dba Sinai Medical Group
1.0 mi
Family Medicine
1859 S BLUE ISLAND AVE
Chicago, IL 60608
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Mount Sinai Community Foundation
  • 646 clinicians in this Medicare group
NPI 1407264583 (773) 738-3111

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.

Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
135 services108 patients
Exam to assess movement of vocal cord flaps using an endoscope 31579
This procedure involves using a thin, flexible tube called an endoscope to view your vocal cords. The endoscope is gently inserted through your nose or mouth to observe the movement of your vocal cords. This helps identify any abnormalities or issues.
125 services112 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.
86 services86 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
56 services52 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.
46 services39 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
41 services41 patients

Hospital Affiliations CMS Care Compare 2

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

University Of Missouri Health Care

Acute Care Hospitals · Columbia, MO
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number260141
LocationOne Hospital DriveColumbia, MO 65212 · Boone County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

SAMUEL JOHN OHLANDER M.D.
Urology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-2779
DR. KAROLINA AGATA PLONOWSKA-HIRSCHFELD MD
Otolaryngology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (314) 362-7509
BETTY SITU
Ophthalmology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-3937
SAMANTHA ROBERTS
Student in an Organized Health Care Education/Training Program
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-2279
DR. AMBER TIFFANY RANDOLPH MD
Ophthalmology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-7445
ANGELA YARU CHANG MD
Ophthalmology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-7445
CHRISTOPHER CHUNG MD
Ophthalmology
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 996-3937
MS. ALEXANDRA CHRISTINA SCHENCK CCC-SLP
Speech-Language Pathologist
1009 S WOOD ST
CHICAGO, IL 60612
Cook County (312) 413-8459

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 Mark Gilbert's NPI number?

The NPI number for Mark Gilbert is 1851534960. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Where is Mark Gilbert located?

Mark Gilbert practices at 1009 S Wood St, Chicago, IL 60612. The listed phone number is (312) 996-6269.

What is Mark Gilbert's specialty?

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

Is Mark Gilbert enrolled in Medicare?

Yes. Mark Gilbert 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 Mark Gilbert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gilbert reassigns Medicare benefits to 2 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL) and Mount Sinai Community Foundation Dba Sinai Medical Group (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 Mark Gilbert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Gilbert accept?

Health plans from Oscar Health list Mark Gilbert 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 Mark Gilbert affiliated with any hospitals?

According to CMS data, Mark Gilbert is affiliated with University Of Illinois Hospital And Clinics and University Of Missouri Health Care.

When was this NPI record last updated?

The NPPES record for Mark Gilbert was last updated on December 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.