CHESAPEAKE DIGESTIVE ASSOCIATES, PC
NPI 1396574307
Internal Medicine - Gastroenterology in Catonsville, MD

NPI Status: Active since July 29, 2024

Contact Information

700 GEIPE RD STE 230
CATONSVILLE, MD
ZIP 21228
Phone: (410) 247-7500

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 21D0682052
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 09-05-2027

About CHESAPEAKE DIGESTIVE ASSOCIATES, PC

This page provides the complete NPI Profile along with additional information for Chesapeake Digestive Associates, Pc, an internist established in Catonsville, Maryland operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1396574307 assigned on July 2024. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated one year ago. Chesapeake Digestive Associates, Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Alan Oliver Ceo (Ceo)

NPI
1396574307
Provider Legal Name
CHESAPEAKE DIGESTIVE ASSOCIATES, PC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
700 GEIPE RD STE 230 CATONSVILLE, MD 21228
Location Phone
(410) 247-7500
Mailing Address
700 GEIPE RD STE 230 CATONSVILLE, MD 21228
Mailing Phone
(410) 247-7500
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-29-2024
Last Update Date
05-15-2025
Code Navigator

An internist like Chesapeake Digestive Associates, Pc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

ALAN OLIVER CEO

Authorized Official Title
CEO
Authorized Official Phone
(786) 530-3820

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
21D0682052
Facility Type
Physician Office
Certificate Effective Date
September 06, 2025
Certificate Expiration Date
September 05, 2027
Laboratory Director
DR. MICHAEL S. BALLO
Certificate Type
Certificate of Accreditation
Certificate Type Description
This is a CLIA certificate is issued to Chesapeake Digestive Associates, Pc 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 1396574307, 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
0
Doubled → 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 9 → 18 → 9 5 → 10 → 1 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 0 + 7 + 8 + 3 + 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 1396574307.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Pathology (Anatomic Pathology & Clinical Pathology)
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Nurse Practitioner (Adult Health)
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Anesthesiology
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Anesthesiology
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Internal Medicine (Gastroenterology)
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Nurse Anesthetist, Certified Registered
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Nurse Practitioner
700 GEIPE RD STE 230
CATONSVILLE, MD 21228
Nurse Practitioner (Gerontology)
700 GEIPE RD STE 230
CATONSVILLE, MD 21228

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396574307, enumerated as an "organization" on July 29, 2024.

The provider is located at 700 GEIPE RD STE 230 CATONSVILLE, MD 21228 and the phone number is (410) 247-7500.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.