DR. FRED BLACKWELL M.D.
NPI 1386771186
Orthopaedic Surgery - Sports Medicine in Alameda, CA

NPI Status: Active since February 27, 2007

Contact Information

2100 OTIS DR
ALAMEDA, CA
ZIP 94501
Phone: (510) 748-0940
Fax: (510) 748-0926

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  • Individual
  • Male
  • Orthopaedic Surgery
  • Sports Medicine

About FRED BLACKWELL

This page provides the complete NPI Profile along with additional information for Fred Blackwell, a provider established in Alameda, California with a medical specialization in Orthopaedic Surgery, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1386771186 assigned on February 2007. The practitioner's primary taxonomy code is 207XX0005X with license number G15873 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1386771186
Provider Name
DR. FRED BLACKWELL M.D.
Gender
Male
Entity Type
Individual
Location Address
2100 OTIS DR ALAMEDA, CA 94501
Location Phone
(510) 748-0940
Location Fax
(510) 748-0926
Mailing Address
1600 SHERMAN ST ALAMEDA, CA 94501
Mailing Phone
(510) 748-0940
Mailing Fax
(510) 748-0926
Is Sole Proprietor?
Yes
Enumeration Date
02-27-2007
Last Update Date
07-08-2007
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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 Sports Medicine

Taxonomy Code
207XX0005X
Type
Allopathic & Osteopathic Physicians
License No.
G15873
License State
CA
Taxonomy Description
An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

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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 1386771186, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 4 + 7 + 2 + 1 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1386771186.

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
2100 OTIS DR, SUITE B
ALAMEDA, CA 94501
Orthopaedic Surgery
2100 OTIS DR, SUITE B
ALAMEDA, CA 94501
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
2100 OTIS DR
ALAMEDA, CA 94501

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386771186, enumerated as an "individual" on February 27, 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 207XX0005X and a focus in Sports Medicine.