DR. JOHN F.M. O'LEARY MD
NPI 1578573895
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Columbus, OH
NPI Status: Active since August 09, 2006
Contact Information
2438 BILLITON CT
COLUMBUS, OH
ZIP 43220
Phone: (614) 306-0023
NPPES record last updated: December 29, 2010. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Orthopaedic Surgery
- Adult Reconstructive Orthopaedic Surgery
About JOHN O'LEARY
This page provides the complete NPI Profile along with additional information for John O'leary, a provider established in Columbus, Ohio with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1578573895 assigned on August 2006. The practitioner's primary taxonomy code is 207XS0114X with license number 35-046958 (OH). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1578573895
- Provider Name
- DR. JOHN F.M. O'LEARY MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2438 BILLITON CT COLUMBUS, OH 43220
- Location Phone
- (614) 306-0023
- Mailing Address
- 2438 BILLITON CT COLUMBUS, OH 43220
- Mailing Phone
- (614) 306-0023
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-09-2006
- Last Update Date
- 12-29-2010
- 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.
- 35-046958
- License State
- OH
- 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.
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 |
|---|---|---|---|
| 0366640001 | MEDICARE NSC (07) | OH | |
| 0507087 | MEDICARE PIN (08) | OH | |
| E07120 | MEDICARE UPIN (02) | OH | |
| 0508356 | MEDICAID (05) | OH |
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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 1578573895, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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 75 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1578573895, enumerated as an "individual" on August 09, 2006.
The provider is located at 2438 BILLITON CT COLUMBUS, OH 43220 and the phone number is (614) 306-0023.
Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
