PROF. DAVID L KREGER M.D.
NPI 1346225646
Internal Medicine - Gastroenterology in Chesapeake, VA

NPI Status: Active since December 08, 2005

Contact Information

112 GAINSBOROUGH SQ
SUITE 200
CHESAPEAKE, VA
ZIP 23320
Phone: (757) 547-0798
Fax: (757) 547-0145

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About DAVID KREGER

This page provides the complete NPI Profile along with additional information for David Kreger, an internist established in Chesapeake, Virginia with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1346225646 assigned on December 2005. The practitioner's primary taxonomy code is 207RG0100X with license number 0101023966 (VA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1346225646
Provider Name
PROF. DAVID L KREGER M.D.
Gender
Male
Entity Type
Individual
Location Address
112 GAINSBOROUGH SQ SUITE 200 CHESAPEAKE, VA 23320
Location Phone
(757) 547-0798
Location Fax
(757) 547-0145
Mailing Address
112 GAINSBOROUGH SQ SUITE 200 CHESAPEAKE, VA 23320
Mailing Phone
(757) 547-0798
Mailing Fax
(757) 547-0145
Is Sole Proprietor?
No
Enumeration Date
12-08-2005
Last Update Date
05-11-2010
Code Navigator

An internist like David Kreger 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 No.
0101023966
License State
VA
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
15139OTHER (01)VASENTARA/OPTIMA
55083OTHER (01)VAMAMSI/MDIPA
159427OTHER (01)VABCBS OF VA
00W183T04MEDICARE ID-TYPE UNSPECIFIED (04)VA 
55083OTHER (01)VIUNITEDHEALTHCARE
B59731MEDICARE UPIN (02)VA 
8905994MEDICAID (05)NC 
010103011MEDICAID (05)VA 
P00177563MEDICARE ID-TYPE UNSPECIFIED (04)GAMEDICARE RAILROAD

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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 1346225646, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 4 + 2 + 1 + 0 + 6 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1346225646.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Physician Assistant
112 GAINSBOROUGH SQ, SUITE 100
CHESAPEAKE, VA 23320
Nurse Anesthetist, Certified Registered
112 GAINSBOROUGH SQ, SUITE 200
CHESAPEAKE, VA 23320
Plastic Surgery
112 GAINSBOROUGH SQ, SUITE 100
CHESAPEAKE, VA 23320

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346225646, enumerated as an "individual" on December 08, 2005.

The provider is located at 112 GAINSBOROUGH SQ SUITE 200 CHESAPEAKE, VA 23320 and the phone number is (757) 547-0798.

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

The provider might be accepting Accepts: Medicare, Medicaid, Blue Cross Blue Shield and. Please consult your insurance carrier or call the provider to verify.