ROMAN GROSSI M.S., M.A.
NPI 1467371757
Genetic Counselor, MS in Chicago, IL

NPI Status: Active since July 13, 2026

Contact Information

5841 S MARYLAND AVE
CHICAGO, IL
ZIP 60637
Phone: (773) 702-1000

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NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Genetic Counselor, MS

About ROMAN GROSSI

This page provides the complete NPI Profile along with additional information for Roman Grossi, a provider established in Chicago, Illinois with a medical specialization in Genetic Counselor, Ms. The healthcare provider is registered in the NPI registry with number 1467371757 assigned on July 2026. The practitioner's primary taxonomy code is 170300000X. The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1467371757
Provider Name
ROMAN GROSSI M.S., M.A.
Gender
Male
Entity Type
Individual
Location Address
5841 S MARYLAND AVE CHICAGO, IL 60637
Location Phone
(773) 702-1000
Mailing Address
5841 S MARYLAND AVE CHICAGO, IL 60637
Mailing Phone
(773) 702-1000
Is Sole Proprietor?
No
Enumeration Date
07-13-2026
Last Update Date
07-13-2026
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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

Genetic Counselor, MS

Taxonomy Code
170300000X
Type
Other Service Providers
Taxonomy Description
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.

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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 1467371757, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
4
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 6 → 12 → 3 3 → 6 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 2 + 7 + 6 + 7 + 2 + 7 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1467371757.

Other Providers at the Same Location


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

Emergency Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Surgery
5841 S MARYLAND AVE, MC 5031
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
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
Dietitian, Registered
5841 S MARYLAND AVE, MC 0988
CHICAGO, IL 60637
Anesthesiology
5841 S MARYLAND AVE, MC 4028
CHICAGO, IL 60637
Pathology (Anatomic Pathology)
5841 S MARYLAND AVE, MC 1059, ROOM N314B
CHICAGO, IL 60637
Obstetrics & Gynecology (Reproductive Endocrinology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Emergency Medicine (Pediatric Emergency Medicine)
5841 S MARYLAND AVE, ROOM L-156 MAIL CODE 7103
CHICAGO, IL 60637
Specialist
5841 S MARYLAND AVE, SUITE K-160G - MC 8000
CHICAGO, IL 60637
Obstetrics & Gynecology
5841 S MARYLAND AVE, MC 2050
CHICAGO, IL 60637
Dietitian, Registered
5841 S MARYLAND AVE, MC 0988
CHICAGO, IL 60637

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1467371757, enumerated as an "individual" on July 13, 2026.

The provider is located at 5841 S MARYLAND AVE CHICAGO, IL 60637 and the phone number is (773) 702-1000.

Genetic Counselor, MS with taxonomy code 170300000X.