DAVID K CALDERWOOD MD PC
NPI 1821331562
Family Medicine in Huntsville, AL

NPI Status: Active since April 01, 2013

Contact Information

420 LOWELL DR SE
SUITE 201
HUNTSVILLE, AL
ZIP 35801
Phone: (256) 535-5944
Fax: (256) 535-5959

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  • Organization
  • Family Medicine

About DAVID K CALDERWOOD MD PC

This page provides the complete NPI Profile along with additional information for David K Calderwood Md Pc, a primary care provider established in Huntsville, Alabama operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1821331562 assigned on April 2013. The practitioner's primary taxonomy code is 207Q00000X with license number 10438 (AL). The provider is registered as an organization and their NPI record was last updated 13 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 David K Calderwood (Md)

NPI
1821331562
Provider Name
DAVID K CALDERWOOD MD PC
Entity Type
Organization
Location Address
420 LOWELL DR SE SUITE 201 HUNTSVILLE, AL 35801
Location Phone
(256) 535-5944
Location Fax
(256) 535-5959
Mailing Address
420 LOWELL DR SE STE 103 HUNTSVILLE, AL 35801
Mailing Phone
(256) 535-5940
Mailing Fax
(256) 535-5959
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-01-2013
Last Update Date
07-01-2013
Code Navigator

A primary care provider (PCP) like David K Calderwood Md Pc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
10438
License State
AL
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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

DAVID K CALDERWOOD

Authorized Official Title
MD
Authorized Official Phone
(256) 535-5940

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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 1821331562, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 3 → 6 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 6 + 3 + 2 + 5 + 1 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1821331562.

Other Providers at the Same Location


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

Family Medicine
420 LOWELL DR SE, STE 403
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE, SUITE 104
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE, SUITE 300
HUNTSVILLE, AL 35801
Family Medicine
420 LOWELL DR SE, STE 107
HUNTSVILLE, AL 35801
Family Medicine
420 LOWELL DR SE, STE 201
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE, SUITE 102
HUNTSVILLE, AL 35801
Obstetrics & Gynecology
420 LOWELL DR SE, 401
HUNTSVILLE, AL 35801
Obstetrics & Gynecology
420 LOWELL DR SE, SUITE 400
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE, SUITE 300
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE, SUITE 200
HUNTSVILLE, AL 35801
Surgery (Vascular Surgery)
420 LOWELL DR SE, SUITE 500
HUNTSVILLE, AL 35801
Nurse Practitioner (Obstetrics & Gynecology)
420 LOWELL DR SE, SUITE 400
HUNTSVILLE, AL 35801
Obstetrics & Gynecology
420 LOWELL DR SE, SUITE 400
HUNTSVILLE, AL 35801
Nurse Practitioner (Family)
420 LOWELL DR SE, SUITE 500
HUNTSVILLE, AL 35801
Obstetrics & Gynecology (Hospice and Palliative Medicine)
420 LOWELL DR SE, SUITE 400
HUNTSVILLE, AL 35801
Internal Medicine
420 LOWELL DR SE
HUNTSVILLE, AL 35801
Internal Medicine (Infectious Disease)
420 LOWELL DR SE, SUITE 301
HUNTSVILLE, AL 35801
Clinical Medical Laboratory
420 LOWELL DR SE, SUITE 201
HUNTSVILLE, AL 35801
Licensed Practical Nurse
420 LOWELL DR SE, SUITE 105
HUNTSVILLE, AL 35801
Internal Medicine (Infectious Disease)
420 LOWELL DR SE, SUITE 301
HUNTSVILLE, AL 35801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821331562, enumerated as an "organization" on April 01, 2013.

The provider is located at 420 LOWELL DR SE SUITE 201 HUNTSVILLE, AL 35801 and the phone number is (256) 535-5944.

Family Medicine with taxonomy code 207Q00000X.