CHRISTOPHER A WALTER DO INC
NPI 1982905030
Orthopaedic Surgery in Castro Valley, CA

NPI Status: Active since November 05, 2010

Contact Information

20990 REDWOOD RD
CASTRO VALLEY, CA
ZIP 94546
Phone: (510) 733-1532
Fax: (510) 733-1542

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  • Organization
  • Orthopaedic Surgery

About CHRISTOPHER A WALTER DO INC

This page provides the complete NPI Profile along with additional information for Christopher A Walter Do Inc, a provider established in Castro Valley, California operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1982905030 assigned on November 2010. The practitioner's primary taxonomy code is 207X00000X with license number 00A178340 (CA). The provider is registered as an organization and their NPI record was last updated 16 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 Christopher A Walter M.d. (Owner)

NPI
1982905030
Provider Name
CHRISTOPHER A WALTER DO INC
Entity Type
Organization
Location Address
20990 REDWOOD RD CASTRO VALLEY, CA 94546
Location Phone
(510) 733-1532
Location Fax
(510) 733-1542
Mailing Address
20990 REDWOOD RD CASTRO VALLEY, CA 94546
Mailing Phone
(510) 733-1532
Mailing Fax
(510) 733-1542
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-05-2010
Last Update Date
11-05-2010
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
00A178340
License State
CA
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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

CHRISTOPHER A WALTER M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(510) 733-1532

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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 1982905030, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 8 → 16 → 7 9 → 18 → 9 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 8 + 0 + 1 + 0 + 0 + 6 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1982905030.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Orthopaedic Surgery
20990 REDWOOD RD
CASTRO VALLEY, CA 94546
Orthopaedic Surgery
20990 REDWOOD RD
CASTRO VALLEY, CA 94546

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982905030, enumerated as an "organization" on November 05, 2010.

The provider is located at 20990 REDWOOD RD CASTRO VALLEY, CA 94546 and the phone number is (510) 733-1532.

Orthopaedic Surgery with taxonomy code 207X00000X.