GREATER BALTIMORE COLORECTAL SPECIALISTS,LLC
NPI 1932425634
Colon & Rectal Surgery in Towson, MD

NPI Status: Active since April 20, 2010

Contact Information

6569 N CHARLES ST
SUITE 502
TOWSON, MD
ZIP 21204
Phone: (410) 296-1661
Fax: (410) 296-1739

Get Directions Write a Review

  • Organization
  • Colon & Rectal Surgery
  • CLIA Number: 21D2118842
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 06-04-2027

About GREATER BALTIMORE COLORECTAL SPECIALISTS,LLC

This page provides the complete NPI Profile along with additional information for Greater Baltimore Colorectal Specialists,llc, a provider established in Towson, Maryland operating as a Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1932425634 assigned on April 2010. The practitioner's primary taxonomy code is 208C00000X. The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Francesco Grasso M.d. (Surgeon)

NPI
1932425634
Provider Name
GREATER BALTIMORE COLORECTAL SPECIALISTS,LLC
Entity Type
Organization
Location Address
6569 N CHARLES ST SUITE 502 TOWSON, MD 21204
Location Phone
(410) 296-1661
Location Fax
(410) 296-1739
Mailing Address
6569 N CHARLES STREET SUITE 502 TOWSON, MD 21204
Mailing Phone
(410) 296-1661
Mailing Fax
(410) 296-1739
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-20-2010
Last Update Date
10-04-2010
Code Navigator

Location Map

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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

FRANCESCO GRASSO M.D.

Authorized Official Title
SURGEON
Authorized Official Phone
(410) 296-1661

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D2118842
Facility Type
Physician Office
Certificate Effective Date
June 05, 2025
Certificate Expiration Date
June 04, 2027
Laboratory Director
JEFFREY H. BAYBICK
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Greater Baltimore Colorectal Specialists,llc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for GREATER BALTIMORE COLORECTAL SPECIALISTS,LLC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1932425634, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 6 + 2 + 8 + 2 + 1 + 0 + 6 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1932425634.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
6569 N CHARLES ST, STE 600
TOWSON, MD 21204
Internal Medicine (Clinical Cardiac Electrophysiology)
6569 N CHARLES ST, SUITE 600
TOWSON, MD 21204
Specialist
6569 N CHARLES ST, SUITE 502
TOWSON, MD 21204
Surgery (Surgical Oncology)
6569 N CHARLES ST, STE 401
BALTIMORE, MD 21204
Ophthalmology
6569 N CHARLES ST, SUITE 605
BALTIMORE, MD 21204
Internal Medicine (Medical Oncology)
6569 N CHARLES ST, SUITE 201
BALTIMORE, MD 21204
Internal Medicine (Medical Oncology)
6569 N CHARLES ST, SUITE 201
BALTIMORE, MD 21204
Internal Medicine (Medical Oncology)
6569 N CHARLES ST, SUITE 201
BALTIMORE, MD 21204
Internal Medicine (Medical Oncology)
6569 N CHARLES ST, SUITE 201
BALTIMORE, MD 21204
Ophthalmology
6569 N CHARLES ST, STE 505
BALTIMORE, MD 21204
Surgery (Vascular Surgery)
6569 N CHARLES ST, STE 701
BALTIMORE, MD 21204
Ophthalmology
6569 N CHARLES ST, STE 505
BALTIMORE, MD 21204
Ophthalmology
6569 N CHARLES ST, STE 305
BALTIMORE, MD 21204
Ophthalmology
6569 N CHARLES ST, SUITE 505
BALTIMORE, MD 21204
Obstetrics & Gynecology (Gynecology)
6569 N CHARLES ST, STE 307
BALTIMORE, MD 21204
Surgery (Vascular Surgery)
6569 N CHARLES ST, STE 701
BALTIMORE, MD 21204
Surgery (Vascular Surgery)
6569 N CHARLES ST, STE 701
BALTIMORE, MD 21204
Obstetrics & Gynecology (Gynecologic Oncology)
6569 N CHARLES ST, SUITE 306
BALTIMORE, MD 21204
Surgery (Surgical Oncology)
6569 N CHARLES ST, SUITE 401
BALTIMORE, MD 21204
Obstetrics & Gynecology
6569 N CHARLES ST, STE 304
BALTO, MD 21204

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1932425634, enumerated as an "organization" on April 20, 2010.

The provider is located at 6569 N CHARLES ST SUITE 502 TOWSON, MD 21204 and the phone number is (410) 296-1661.

Colon & Rectal Surgery with taxonomy code 208C00000X.