DR. DOUGLAS G CAMPBELL M.D.
NPI 1225028921
Internal Medicine in Kalamazoo, MI

NPI Status: Active since October 24, 2005

Contact Information

1717 SHAFFER ST
KALAMAZOO, MI
ZIP 49048
Phone: (269) 226-5967

Get Directions Write a Review

  • Individual
  • Male
  • Internal Medicine

About DOUGLAS CAMPBELL

This page provides the complete NPI Profile along with additional information for Douglas Campbell, an internist established in Kalamazoo, Michigan with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1225028921 assigned on October 2005. The practitioner's primary taxonomy code is 207R00000X with license number 4301041491 (MI). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1225028921
Provider Name
DR. DOUGLAS G CAMPBELL M.D.
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
1717 SHAFFER ST KALAMAZOO, MI 49048
Location Phone
(269) 226-5967
Mailing Address
1717 SHAFFER ST KALAMAZOO, MI 49048
Mailing Phone
(269) 226-5967
Is Sole Proprietor?
No
Enumeration Date
10-24-2005
Last Update Date
02-05-2019
Code Navigator

An internist like Douglas Campbell 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
4301041491
License State
MI
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Reviews for DR. DOUGLAS G CAMPBELL M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1225028921, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 0 → 0 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 0 + 2 + 1 + 6 + 9 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1225028921.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
1717 SHAFFER ST, SUITE 232
KALAMAZOO, MI 49048
Nurse Practitioner
1717 SHAFFER ST, SUITE 232
KALAMAZOO, MI 49048
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychologist
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Surgery
1717 SHAFFER ST, SUITE 108
KALAMAZOO, MI 49048
Surgery
1717 SHAFFER ST, SUITE 108
KALAMAZOO, MI 49048
Surgery
1717 SHAFFER ST, SUITE 108
KALAMAZOO, MI 49048
Surgery
1717 SHAFFER ST, SUITE 108
KALAMAZOO, MI 49048
Internal Medicine
1717 SHAFFER ST, STE 229
KALAMAZOO, MI 49048
Dietitian, Registered
1717 SHAFFER ST
KALAMAZOO, MI 49048
Dietitian, Registered
1717 SHAFFER ST, NORTH PROFESSIONAL BLDG. SUITE 229
KALAMAZOO, MI 49048
Internal Medicine
1717 SHAFFER ST, SUITE 018
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1717 SHAFFER ST, SUITE 010
KALAMAZOO, MI 49048
Nurse Practitioner (Family)
1717 SHAFFER ST, 229
KALAMAZOO, MI 49048
Durable Medical Equipment & Medical Supplies
1717 SHAFFER ST
KALAMAZOO, MI 49048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225028921, enumerated as an "individual" on October 24, 2005.

The provider is located at 1717 SHAFFER ST KALAMAZOO, MI 49048 and the phone number is (269) 226-5967.

Internal Medicine with taxonomy code 207R00000X.