GASTRO CENTER OF MARYLAND LLC
NPI 1336083591
Pathology - Anatomic Pathology in Columbia, MD

NPI Status: Active since April 17, 2026

Contact Information

7120 MINSTREL WAY STE 204
COLUMBIA, MD
ZIP 21045
Phone: (410) 290-6677
Fax: (410) 290-6676

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  • Organization
  • Pathology
  • Anatomic Pathology
  • CLIA Number: 21D2009557
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 01-26-2027

About GASTRO CENTER OF MARYLAND LLC

This page provides the complete NPI Profile along with additional information for Gastro Center Of Maryland Llc, a provider established in Columbia, Maryland operating as a Pathology, focusing in anatomic pathology . The healthcare provider is registered in the NPI registry with number 1336083591 assigned on April 2026. The practitioner's primary taxonomy code is 207ZP0101X. The provider is registered as an organization and their NPI record was last updated April 2026. 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 Rudrajit Masand Rai (Owner/president)

NPI
1336083591
Provider Name
GASTRO CENTER OF MARYLAND LLC
Entity Type
Organization
Location Address
7120 MINSTREL WAY STE 204 COLUMBIA, MD 21045
Location Phone
(410) 290-6677
Location Fax
(410) 290-6676
Mailing Address
7120 MINSTREL WAY STE 100 COLUMBIA, MD 21045
Mailing Phone
(410) 290-6677
Mailing Fax
(410) 290-6676
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
04-17-2026
Last Update Date
04-17-2026
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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

Pathology Anatomic Pathology

Taxonomy Code
207ZP0101X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of 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

RUDRAJIT MASAND RAI

Authorized Official Title
OWNER/PRESIDENT
Authorized Official Phone
(410) 290-6677

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
21D2009557
Facility Type
Physician Office
Certificate Effective Date
January 27, 2025
Certificate Expiration Date
January 26, 2027
Laboratory Director
DR. MICHAEL BALLO
Certificate Type
Certificate of Accreditation
Certificate Type Description
This is a CLIA certificate is issued to Gastro Center Of Maryland Llc on the basis of the laboratory's accreditation by an accreditation organization approved by CMS. This type of certificate is issued to a laboratories tha perform nonwaived (moderate and/or high complexity) testing.

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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 1336083591, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 0 → 0 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 0 + 8 + 6 + 5 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1336083591.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336083591, enumerated as an "organization" on April 17, 2026.

The provider is located at 7120 MINSTREL WAY STE 204 COLUMBIA, MD 21045 and the phone number is (410) 290-6677.

Pathology with taxonomy code 207ZP0101X and a focus in Anatomic Pathology.