CHRISTOPHER JAMES LENARZ M.D.
NPI 1982808739
Orthopaedic Surgery in Chesterfield, MO
NPI Status: Active since June 14, 2007
Contact Information
17300 NORTH FORTY ROAD
SUITE 316
CHESTERFIELD, MO
ZIP 63005
Phone: (636) 778-3177
Fax: (314) 309-2551
- Individual
- Male
- Orthopaedic Surgery
- Opted-Out Medicare
About CHRISTOPHER LENARZ
This page provides the complete NPI Profile along with additional information for Christopher Lenarz, a provider established in Chesterfield, Missouri with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1982808739 assigned on June 2007. The practitioner's primary taxonomy code is 207X00000X with license number 2011010502 (MO). The provider is registered as an individual and his NPI record was last updated 9 years ago.
- NPI
- 1982808739
- Provider Name
- CHRISTOPHER JAMES LENARZ M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 17300 NORTH FORTY ROAD SUITE 316 CHESTERFIELD, MO 63005
- Location Phone
- (636) 778-3177
- Location Fax
- (314) 309-2551
- Mailing Address
- 17300 NORTH FORTY ROAD SUITE 316 CHESTERFIELD, MO 63005
- Mailing Phone
- (636) 778-3177
- Mailing Fax
- (314) 309-2551
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-14-2007
- Last Update Date
- 07-24-2017
- Code Navigator
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Christopher Lenarz opted out of Medicare effective on 02-21-2022 until 02-21-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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
- Taxonomy Code
- 207X00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 2011010502
- License State
- MO
- Taxonomy Description
- An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 02-21-2022
Opt-Out End Date: 02-21-2026
Eligible to Order and Refer? No
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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 1982808739, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1982808739, enumerated as an "individual" on June 14, 2007.
The provider is located at 17300 NORTH FORTY ROAD SUITE 316 CHESTERFIELD, MO 63005 and the phone number is (636) 778-3177.
Orthopaedic Surgery with taxonomy code 207X00000X.
