DR. MARC HAMILTON HEDRICK M.D.
NPI 1811430234
Surgery - Plastic and Reconstructive Surgery in San Diego, CA
NPI Status: Active since December 02, 2016
Contact Information
3020 CALLAN RD
SAN DIEGO, CA
ZIP 92121
Phone: (858) 458-0900
NPPES record last updated: December 2, 2016. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Surgery
- Plastic and Reconstructive Surgery
About MARC HEDRICK
This page provides the complete NPI Profile along with additional information for Marc Hedrick, a provider established in San Diego, California with a medical specialization in Surgery, focusing in plastic and reconstructive surgery . The healthcare provider is registered in the NPI registry with number 1811430234 assigned on December 2016. The practitioner's primary taxonomy code is 2086S0122X with license number A49691 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1811430234
- Provider Name
- DR. MARC HAMILTON HEDRICK M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3020 CALLAN RD SAN DIEGO, CA 92121
- Location Phone
- (858) 458-0900
- Mailing Address
- 3020 CALLAN RD SAN DIEGO, CA 92121
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-02-2016
- Last Update Date
- 12-02-2016
- 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 Plastic and Reconstructive Surgery
- Taxonomy Code
- 2086S0122X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A49691
- License State
- CA
- Taxonomy Description
- A surgeon who specializes in plastic and reconstructive surgery.
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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 1811430234, 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.
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 56 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1811430234, enumerated as an "individual" on December 02, 2016.
The provider is located at 3020 CALLAN RD SAN DIEGO, CA 92121 and the phone number is (858) 458-0900.
Surgery with taxonomy code 2086S0122X and a focus in Plastic and Reconstructive Surgery.
