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DR. MICHAEL TODD GRENDON M.D.
NPI 1922007962
Internal Medicine in Chicago, IL

Active since July 20, 2005
2800 N SHERIDAN RD, SUITE 400, CHICAGO, IL 60657(773) 472-5803 Get Directions Write a Review

NPPES record last updated: June 13, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Todd Grendon M.d. NPPES

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

DR. MICHAEL TODD GRENDON M.D. (NPI 1922007962) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036061003) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1922007962
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL TODD GRENDONCredential: M.D.
Location Address2800 N SHERIDAN RD, SUITE 400Chicago, IL 60657-6156
Mailing Address2800 N Sheridan Rd, Suite 400Chicago, IL 60657-6156 · (773) 472-5803 · Fax (773) 472-7902
Phone(773) 472-5803
Sole ProprietorYes
Enumeration DateJuly 20, 2005
Last NPPES UpdateJune 13, 2022
NPPES CertifiedJune 13, 2022
✔ NPI 1922007962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036061003
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2800 N SHERIDAN RD, Chicago, IL 60657
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Other Identifiers 1

Medicaid036061003IL

Areas of Expertise CMS Part B claims 5

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.
515 services176 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.
149 services35 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.
46 services31 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.
39 services26 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.
14 services14 patients

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.

DR. MARTIN ALAN HIRSCH D.M.D.
Dentist (Prosthodontics)
2800 N SHERIDAN RD, SUITE 204
CHICAGO, IL 60657
Cook County (773) 248-6140
CARDIOMEDICAL ASSOC, LTD.
Specialist
2800 N SHERIDAN RD, SUITE 100
CHICAGO, IL 60657
Cook County (773) 929-1900
RUPERTO MAYUGA M.D.
Internal Medicine (Cardiovascular Disease)
2800 N SHERIDAN RD, SUITE 303
CHICAGO, IL 60657
Cook County (773) 281-7660
DR. THEODORE B HANDRUP MD
Psychiatry & Neurology (Psychiatry)
2800 N SHERIDAN RD, SUITE 502
CHICAGO, IL 60657
Cook County (773) 472-1483
DR. HOURI H SHAFAIE DDS
Dentist
2800 N SHERIDAN RD, SUITE 400
CHICAGO, IL 60657
Cook County (773) 880-5080
DR. SCOTT PORTER NEELEY
Internal Medicine (Pulmonary Disease)
2800 N SHERIDAN RD, STE 301
CHICAGO, IL 60657
Cook County (773) 935-5556
DR. KAMAL K CHAWLA MD
Internal Medicine (Interventional Cardiology)
2800 N SHERIDAN RD, SUITE 510
CHICAGO, IL 60657
Cook County (773) 348-7555
MISS SANGINI DINESH PATEL PAC
Dermatology
2800 N SHERIDAN RD, SUITE #210
CHICAGO, IL 60657
Cook County (773) 281-0046

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 Michael Grendon's NPI number?

The NPI number for Michael Grendon is 1922007962. It was assigned to this individual provider in the NPPES registry on July 20, 2005.

Where is Michael Grendon located?

Michael Grendon practices at 2800 N Sheridan Rd Suite 400, Chicago, IL 60657. The listed phone number is (773) 472-5803.

What is Michael Grendon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Michael Grendon was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.