DR. DARREL BRENT KEYSER MD
NPI 1346292539
Surgery - Surgery of the Hand in Hayward, CA
NPI Status: Active since May 16, 2006
Contact Information
27206 CALAROGA AVE
SUITE 115
HAYWARD, CA
ZIP 94545
Phone: (510) 259-1201
Fax: (510) 259-1203
- Individual
- Male
- Surgery
- Surgery of the Hand
About DARREL KEYSER
This page provides the complete NPI Profile along with additional information for Darrel Keyser, a provider established in Hayward, California with a medical specialization in Surgery, focusing in surgery of the hand . The healthcare provider is registered in the NPI registry with number 1346292539 assigned on May 2006. The practitioner's primary taxonomy code is 2086S0105X with license number G54893 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1346292539
- Provider Name
- DR. DARREL BRENT KEYSER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 27206 CALAROGA AVE SUITE 115 HAYWARD, CA 94545
- Location Phone
- (510) 259-1201
- Location Fax
- (510) 259-1203
- Mailing Address
- 27206 CALAROGA AVE SUITE 115 HAYWARD, CA 94545
- Mailing Phone
- (510) 259-1201
- Mailing Fax
- (510) 259-1203
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-16-2006
- Last Update Date
- 07-08-2007
- 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
Surgery Surgery of the Hand
- Taxonomy Code
- 2086S0105X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G54893
- License State
- CA
- Taxonomy Description
- A surgeon with expertise in the investigation, preservation and restoration by medical, surgical and rehabilitative means, of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| E64878 | MEDICARE UPIN (02) | CA |
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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 1346292539, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. 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.
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
HAYWARD, CA 94545
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1346292539, enumerated as an "individual" on May 16, 2006.
The provider is located at 27206 CALAROGA AVE SUITE 115 HAYWARD, CA 94545 and the phone number is (510) 259-1201.
Surgery with taxonomy code 2086S0105X and a focus in Surgery of the Hand.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
