SHANNON DOYLE TONELLATO MD
NPI 1992265847
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL

NPI Status: Active since March 25, 2019

Contact Information

5841 S MARYLAND AVE
CHICAGO, IL
ZIP 60637
Phone: (888) 824-0200

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  • Individual
  • Female
  • Years of Experience 7
  • Pediatrics
  • Neonatal-Perinatal Medicine
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About SHANNON TONELLATO

This page provides the complete NPI Profile along with additional information for Shannon Tonellato, a pediatrician established in Chicago, Illinois with a medical specialization in Pediatrics, focusing in neonatal-perinatal medicine and more than 7 years of experience. The healthcare provider is registered in the NPI registry with number 1992265847 assigned on March 2019. The practitioner's primary taxonomy code is 2080N0001X with license number 036160692 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1992265847
Provider Name
SHANNON DOYLE TONELLATO MD
Other Name
SHANNON KATHRYN DOYLE MD
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
5841 S MARYLAND AVE CHICAGO, IL 60637
Location Phone
(888) 824-0200
Mailing Address
150 HARVESTER DR STE 300 BURR RIDGE, IL 60527
Medical School Name
OTHER
Graduation Year
2019
Is Sole Proprietor?
No
Enumeration Date
03-25-2019
Last Update Date
09-24-2025
Code Navigator

A pediatrician like Shannon Tonellato is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

Location Map

Secondary Locations

  • 111 Michigan Ave NW
    Washington, DC 20010
    (202) 476-3670
  • 2650 Ridge Ave Walgreen 1505
    Evanston, IL 60201
    (847) 570-2033
  • 801 S. Washington St.
    Naperville, IL 60540
    (630) 527-3234

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Pediatrics Neonatal-Perinatal Medicine

Taxonomy Code
2080N0001X
Type
Allopathic & Osteopathic Physicians
License No.
036160692
License State
IL
Taxonomy Description
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Medicare Participation & PECOS Enrollment Status

Shannon Tonellato is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Shannon Tonellato is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1254860380

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250916002156

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for SHANNON DOYLE TONELLATO MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1992265847, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 2 → 4 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 8 + 2 + 4 + 6 + 1 + 0 + 8 + 8 + 24 = 73

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1992265847.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Pharmacotherapy)
5841 S MARYLAND AVE, MC 5026
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE
CHICAGO, IL 60637
Emergency Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pharmacist (Pharmacotherapy)
5841 S MARYLAND AVE, UNIVERSITY OF CHICAGO HOSPITALS
CHICAGO, IL 60637
Genetic Counselor, MS
5841 S MARYLAND AVE, MC 6088
CHICAGO, IL 60637
Genetic Counselor, MS
5841 S MARYLAND AVE, MC 0077
CHICAGO, IL 60637
Surgery
5841 S MARYLAND AVE, MC 5031
CHICAGO, IL 60637
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5841 S MARYLAND AVE, MC1027
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Obstetrics & Gynecology (Gynecology)
5841 S MARYLAND AVE, MC2050
CHICAGO, IL 60637
Pediatrics (Neonatal-Perinatal Medicine)
5841 S MARYLAND AVE, MC 6060
CHICAGO, IL 60637
Obstetrics & Gynecology (Reproductive Endocrinology)
5841 S MARYLAND AVE, MC2050
CHICAGO, IL 60637
Emergency Medicine
5841 S MARYLAND AVE, MC 5068
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE, MC 0988
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE, MC 3051
CHICAGO, IL 60637
Dietitian, Registered (Nutrition, Pediatric)
5841 S MARYLAND AVE, MC0988
CHICAGO, IL 60637
Psychologist (Clinical)
5841 S MARYLAND AVE, STE MC 3077
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE
CHICAGO, IL 60637

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992265847, enumerated as an "individual" on March 25, 2019.

The provider is located at 5841 S MARYLAND AVE CHICAGO, IL 60637 and the phone number is (888) 824-0200.

Pediatrics with taxonomy code 2080N0001X and a focus in Neonatal-Perinatal Medicine.