MARK ANTOS, M.D.
NPI 1710033758
Internal Medicine - Gastroenterology in Seaford, DE

NPI Status: Active since January 25, 2007

Contact Information

1501 MIDDLEFORD RD
SEAFORD, DE
ZIP 19973
Phone: (302) 629-4255
Fax: (302) 629-5777

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  • Organization
  • Internal Medicine
  • Gastroenterology

About MARK ANTOS, M.D.

This page provides the complete NPI Profile along with additional information for Mark Antos, M.d., an internist established in Seaford, Delaware operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1710033758 assigned on January 2007. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 6 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 Mark Antos M.d. (Physician, Owner)

NPI
1710033758
Provider Name
MARK ANTOS, M.D.
Entity Type
Organization
Location Address
1501 MIDDLEFORD RD SEAFORD, DE 19973
Location Phone
(302) 629-4255
Location Fax
(302) 629-5777
Mailing Address
1501 MIDDLEFORD RD SEAFORD, DE 19973
Mailing Phone
(302) 629-4255
Mailing Fax
(302) 629-5777
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-25-2007
Last Update Date
08-22-2020
Code Navigator

An internist like Mark Antos, M.d. 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
License State
DE
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 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

MARK ANTOS M.D.

Authorized Official Title
PHYSICIAN, OWNER
Authorized Official Phone
(302) 629-4255

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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 1710033758, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 0 + 3 + 6 + 7 + 1 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1710033758.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Internal Medicine
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Nurse Practitioner (Family)
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Internal Medicine
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Internal Medicine
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Durable Medical Equipment & Medical Supplies
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Podiatrist
1501 MIDDLEFORD RD
SEAFORD, DE 19973
Internal Medicine
1501 MIDDLEFORD RD
SEAFORD, DE 19973

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710033758, enumerated as an "organization" on January 25, 2007.

The provider is located at 1501 MIDDLEFORD RD SEAFORD, DE 19973 and the phone number is (302) 629-4255.

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