DR. GREGORY PAUL KARRIS MD
NPI 1164401188
Internal Medicine - Gastroenterology in Southfield, MI

NPI Status: Active since January 10, 2006

Contact Information

22250 PROVIDENCE DR
SUITE 604
SOUTHFIELD, MI
ZIP 48075
Phone: (248) 569-1770
Fax: (248) 443-2439

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About GREGORY KARRIS

This page provides the complete NPI Profile along with additional information for Gregory Karris, an internist established in Southfield, Michigan with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1164401188 assigned on January 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 4301029338 (MI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1164401188
Provider Name
DR. GREGORY PAUL KARRIS MD
Gender
Male
Entity Type
Individual
Location Address
22250 PROVIDENCE DR SUITE 604 SOUTHFIELD, MI 48075
Location Phone
(248) 569-1770
Location Fax
(248) 443-2439
Mailing Address
22250 PROVIDENCE DR SUITE 604 SOUTHFIELD, MI 48075
Mailing Phone
(248) 569-1770
Mailing Fax
(248) 443-2439
Is Sole Proprietor?
Yes
Enumeration Date
01-10-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Gregory Karris 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.
4301029338
License State
MI
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.

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
102322OTHER (01)CARE CHOICES
2105039MEDICAID (05)MI 
0630033MEDICARE ID-TYPE UNSPECIFIED (04)MI 
P40562OTHER (01)BLUE CARE NETWORK
1006300331OTHER (01)EMPIRE BLUE CROSS
1006300331OTHER (01)BLUE PREFERRED PLUS PPO
06300339OTHER (01)MEDICARE RAILROAD
102322OTHER (01)PREFERRED CHOICES PPO
B44389OTHER (01)MIHAP
B44389MEDICARE UPIN (02) 
1006300331OTHER (01)MIBCBS
1006300331OTHER (01)BLUE TRUST
B44389OTHER (01)ALLIANCE HEALTH
C3265OTHER (01)MCARE
5469078OTHER (01)AETNA
C3265OTHER (01)PARTNERSHIP HEALTH
193696OTHER (01)GREAT WEST
2105039OTHER (01)COMMUNITY HEALTH

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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 1164401188, 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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 6 → 12 → 3 4 → 8 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 8 + 0 + 2 + 1 + 1 + 6 + 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 1164401188.

Other Providers at the Same Location


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

Obstetrics & Gynecology
22250 PROVIDENCE DR, 408
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, FL 5
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, 5TH FLOOR.FL 5
SOUTHFIELD, MI 48075
Colon & Rectal Surgery
22250 PROVIDENCE DR, SUITE 208
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, 500
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, 5TH FLOOR
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, 5TH FLOOR
SOUTHFIELD, MI 48075
Family Medicine
22250 PROVIDENCE DR, 500
SOUTHFIELD, MI 48075
Registered Nurse
22250 PROVIDENCE DR, 5TH FLOOR
SOUTHFIELD, MI 48075
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
22250 PROVIDENCE DR, SUITE 601
SOUTHFIELD, MI 48075
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
22250 PROVIDENCE DR, SUITE 601
SOUTHFIELD, MI 48075
Neurological Surgery
22250 PROVIDENCE DR, SUITE 601
SOUTHFIELD, MI 48075
Ophthalmology
22250 PROVIDENCE DR, STE 304
SOUTHFIELD, MI 48075
Internal Medicine (Cardiovascular Disease)
22250 PROVIDENCE DR, STE #705
SOUTHFIELD, MI 48075
Internal Medicine
22250 PROVIDENCE DR, SUITE 206
SOUTHFIELD, MI 48075
Ophthalmology
22250 PROVIDENCE DR, SUITE 304
SOUTHFIELD, MI 48075
Orthopaedic Surgery
22250 PROVIDENCE DR, SUITE 401
SOUTHFIELD, MI 48075
Internal Medicine (Nephrology)
22250 PROVIDENCE DR, STE 406
SOUTHFIELD, MI 48075
Internal Medicine (Nephrology)
22250 PROVIDENCE DR, SUITE 406
SOUTHFIELD, MI 48075
Ophthalmology
22250 PROVIDENCE DR, SUITE 304
SOUTHFIELD, MI 48075

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164401188, enumerated as an "individual" on January 10, 2006.

The provider is located at 22250 PROVIDENCE DR SUITE 604 SOUTHFIELD, MI 48075 and the phone number is (248) 569-1770.

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

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