ROGER A. CHRISTENSEN INC.
NPI 1295278265
Internal Medicine - Critical Care Medicine in Long Beach, CA

NPI Status: Active since November 23, 2016

Contact Information

75 BAY SHORE AVE
LONG BEACH, CA
ZIP 90803
Phone: (310) 804-3414

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  • Organization
  • Internal Medicine
  • Critical Care Medicine

About ROGER A. CHRISTENSEN INC.

This page provides the complete NPI Profile along with additional information for Roger A. Christensen Inc., an internist established in Long Beach, California operating as a Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1295278265 assigned on November 2016. The practitioner's primary taxonomy code is 207RC0200X with license number 20A11091 (CA). The provider is registered as an organization and their NPI record was last updated 7 years ago. Roger A. Christensen Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Roger Anthony Christensen Do (Physician)

NPI
1295278265
Provider Name
ROGER A. CHRISTENSEN INC.
Entity Type
Organization
Location Address
75 BAY SHORE AVE LONG BEACH, CA 90803
Location Phone
(310) 804-3414
Mailing Address
75 BAY SHORE AVE LONG BEACH, CA 90803
Mailing Phone
(310) 804-3414
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-23-2016
Last Update Date
09-18-2019
Code Navigator

An internist like Roger A. Christensen Inc. 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.

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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 Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
License No.
20A11091
License State
CA
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

20A11091 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. ROGER ANTHONY CHRISTENSEN DO

Authorized Official Title
PHYSICIAN
Authorized Official Phone
(310) 804-3414

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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 1295278265, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
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 9 → 18 → 9 2 → 4 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 4 + 7 + 1 + 6 + 2 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1295278265.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine (Critical Care Medicine)
75 BAY SHORE AVE
LONG BEACH, CA 90803

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295278265, enumerated as an "organization" on November 23, 2016.

The provider is located at 75 BAY SHORE AVE LONG BEACH, CA 90803 and the phone number is (310) 804-3414.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.