ROBERT HAHN COFIELD M.D.
NPI 1689644452
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Rochester, MN
- Individual
- Male
- Orthopaedic Surgery
- Adult Reconstructive Orthopaedic Surgery
About ROBERT COFIELD
This page provides the complete NPI Profile along with additional information for Robert Cofield, a provider established in Rochester, Minnesota with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1689644452 assigned on January 2006. The practitioner's primary taxonomy code is 207XS0114X with license number 19647 (MN). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1689644452
- Provider Name
- ROBERT HAHN COFIELD M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 200 1ST ST SW ROCHESTER, MN 55905
- Location Phone
- (507) 284-2511
- Mailing Address
- 200 1ST ST SW ROCHESTER, MN 55905
- Mailing Phone
- (507) 284-2511
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-25-2006
- Last Update Date
- 07-13-2026
- Code Navigator
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 Adult Reconstructive Orthopaedic Surgery
- Taxonomy Code
- 207XS0114X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 19647
- License State
- MN
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
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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 1689644452, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1689644452, enumerated as an "individual" on January 25, 2006.
The provider is located at 200 1ST ST SW ROCHESTER, MN 55905 and the phone number is (507) 284-2511.
Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.
