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THOMAS JOSEPH GRUBER M.D.
NPI 1811085202
Anesthesiology in Rockford, IL

Active since October 11, 2006PECOS EnrolledAccepts Medicare Assignment
1603 ARDEN AVE, ROCKFORD, IL 61107(815) 262-3001(815) 229-2508 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Thomas Joseph Gruber M.d. NPPES

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

THOMAS JOSEPH GRUBER M.D. (NPI 1811085202) is an individual anesthesiology provider in Rockford, Illinois, licensed in Colorado (41045) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Proctor Hospital, and is a graduate of Vanderbilt University School Of Medicine (1985).

NPPES Registry Identity

NPI1811085202
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameTHOMAS JOSEPH GRUBERCredential: M.D.
Location Address1603 ARDEN AVERockford, IL 61107-2027
Mailing Address1603 Arden AveRockford, IL 61107-2027 · (815) 262-3001 · Fax (815) 229-2508
Phone(815) 262-3001
Fax(815) 229-2508
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 1985
Enumeration DateOctober 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1811085202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CO · 41045✔ Licensed in MO · 2003027199
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1603 ARDEN AVE, Rockford, IL 61107
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Other Identifiers 1

Medicare UPINE18413

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

Thomas Joseph Gruber 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 ID7416919584
PECOS Enrollment IDI20041101000530
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 Thomas Gruber reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Methodist Medical Center Of Illinois
113 mi
Anesthesiology
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1710198379 (309) 672-5522
Carle Health Medical Group
156 mi
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
NPI 1154653947 (217) 383-8300

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
47 services47 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
23 services22 patients
Anesthesia for other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
18 services18 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
15 services15 patients
Anesthesia for other procedure on lower spine 00630
Anesthesia for a lower spine procedure involves administering medication to block pain and sensation in your back. This ensures comfort and stillness during the procedure. The type of anesthesia used depends on the specific procedure and your overall health.
11 services11 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Proctor Hospital

Acute Care Hospitals · Peoria, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140013
Location5409 N Knoxville AvePeoria, IL 61614 · Peoria County
Emergency services

Pekin Memorial Hospital

Acute Care Hospitals · Pekin, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140120
Location600 South 13th StreetPekin, IL 61554 · Tazewell County
Emergency services

Methodist Medical Center Of Illinois

Acute Care Hospitals · Peoria, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140209
Location221 N E Glen Oak AvePeoria, IL 61636 · Peoria County
Emergency services Birthing friendly

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 Thomas Gruber's NPI number?

The NPI number for Thomas Gruber is 1811085202. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is Thomas Gruber located?

Thomas Gruber practices at 1603 Arden Ave, Rockford, IL 61107. The listed phone number is (815) 262-3001.

What is Thomas Gruber's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Thomas Gruber enrolled in Medicare?

Yes. Thomas Gruber 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 Thomas Gruber's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Gruber reassigns Medicare benefits to 2 organizations: Methodist Medical Center Of Illinois (Peoria, IL) and Carle Health Medical Group (Urbana, 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 Thomas Gruber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Gruber affiliated with any hospitals?

According to CMS data, Thomas Gruber is affiliated with Proctor Hospital, Pekin Memorial Hospital and Methodist Medical Center Of Illinois.

When was this NPI record last updated?

The NPPES record for Thomas Gruber was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.