DR. JOSEPH MCCAHON III DO
NPI 1053993675
Orthopaedic Surgery - Foot and Ankle Surgery in Baltimore, MD
NPI Status: Active since April 23, 2021
Contact Information
301 SAINT PAUL PL
BALTIMORE, MD
ZIP 21202
Phone: (410) 332-9000
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Orthopaedic Surgery
- Foot and Ankle Surgery
About JOSEPH MCCAHON
This page provides the complete NPI Profile along with additional information for Joseph Mccahon, a provider established in Baltimore, Maryland with a medical specialization in Orthopaedic Surgery, focusing in foot and ankle surgery . The healthcare provider is registered in the NPI registry with number 1053993675 assigned on April 2021. The practitioner's primary taxonomy code is 207XX0004X with license number H0106944 (MD). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1053993675
- Provider Name
- DR. JOSEPH MCCAHON III DO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 301 SAINT PAUL PL BALTIMORE, MD 21202
- Location Phone
- (410) 332-9000
- Mailing Address
- 301 SAINT PAUL PL BALTIMORE, MD 21202
- Mailing Phone
- (410) 332-9000
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-23-2021
- Last Update Date
- 06-24-2026
- 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 Foot and Ankle Surgery
- Taxonomy Code
- 207XX0004X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- H0106944
- License State
- MD
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.
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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 1053993675, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 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.
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1053993675, enumerated as an "individual" on April 23, 2021.
The provider is located at 301 SAINT PAUL PL BALTIMORE, MD 21202 and the phone number is (410) 332-9000.
Orthopaedic Surgery with taxonomy code 207XX0004X and a focus in Foot and Ankle Surgery.
