MEDICAL GROUP AT CITY CENTER, INC.
NPI 1881716124
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Alameda, CA

NPI Status: Active since April 06, 2007

Contact Information

2100 OTIS DR
ALAMEDA, CA
ZIP 94501
Phone: (510) 748-0940

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  • Organization
  • Orthopaedic Surgery
  • Pediatric Orthopaedic Surgery

About MEDICAL GROUP AT CITY CENTER, INC.

This page provides the complete NPI Profile along with additional information for Medical Group At City Center, Inc., a provider established in Alameda, California operating as a Orthopaedic Surgery, focusing in pediatric orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1881716124 assigned on April 2007. The practitioner's primary taxonomy code is 207XP3100X with license number G15873 (CA). The provider is registered as an organization and their NPI record was last updated 6 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 Dr. Fred Blackwell M.d. (President)

NPI
1881716124
Provider Name
MEDICAL GROUP AT CITY CENTER, INC.
Entity Type
Organization
Location Address
2100 OTIS DR ALAMEDA, CA 94501
Location Phone
(510) 748-0940
Mailing Address
1600 SHERMAN ST ALAMEDA, CA 94501
Mailing Phone
(510) 748-0940
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-06-2007
Last Update Date
08-22-2020
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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

Orthopaedic Surgery Pediatric Orthopaedic Surgery

Taxonomy Code
207XP3100X
Type
Allopathic & Osteopathic Physicians
License No.
G15873
License State
CA
Taxonomy Description
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.

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

DR. FRED BLACKWELL M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(510) 748-0940

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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 1881716124, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 7 → 14 → 5 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 4 + 1 + 1 + 2 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881716124.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dentist (General Practice)
2100 OTIS DR, SUITE D
ALAMEDA, CA 94501
Dentist (General Practice)
2100 OTIS DR, SUITE D
ALAMEDA, CA 94501
Orthopaedic Surgery (Sports Medicine)
2100 OTIS DR
ALAMEDA, CA 94501
Orthopaedic Surgery
2100 OTIS DR, SUITE B
ALAMEDA, CA 94501
Orthopaedic Surgery
2100 OTIS DR, SUITE B
ALAMEDA, CA 94501

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881716124, enumerated as an "organization" on April 06, 2007.

The provider is located at 2100 OTIS DR ALAMEDA, CA 94501 and the phone number is (510) 748-0940.

Orthopaedic Surgery with taxonomy code 207XP3100X and a focus in Pediatric Orthopaedic Surgery.