DR. CHRISTOPHER PAUL NIELSON MD
NPI 1770506214
Internal Medicine - Critical Care Medicine in Reno, NV
NPI Status: Active since July 25, 2006
Contact Information
1000 LOCUST ST
RENO, NV
ZIP 89502
Phone: (775) 786-7200
Fax: (775) 337-2271
- Individual
- Male
- Internal Medicine
- Critical Care Medicine
About CHRISTOPHER NIELSON
This page provides the complete NPI Profile along with additional information for Christopher Nielson, an internist established in Reno, Nevada with a medical specialization in Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1770506214 assigned on July 2006. The practitioner's primary taxonomy code is 207RC0200X with license number 10798 (NV). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1770506214
- Provider Name
- DR. CHRISTOPHER PAUL NIELSON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1000 LOCUST ST RENO, NV 89502
- Location Phone
- (775) 786-7200
- Location Fax
- (775) 337-2271
- Mailing Address
- 908 EDGECLIFF DR RENO, NV 89523
- Mailing Phone
- (775) 240-6990
- Mailing Fax
- (775) 337-2271
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-25-2006
- Last Update Date
- 06-14-2026
- Code Navigator
An internist like Christopher Nielson is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Critical Care Medicine
- Taxonomy Code
- 207RC0200X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 10798
- License State
- NV
- Taxonomy Description
- An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
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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 1770506214, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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 46 is 50. 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.
RENO, NV 89502
RENO, NV 89502
RENO, NV 89502
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770506214, enumerated as an "individual" on July 25, 2006.
The provider is located at 1000 LOCUST ST RENO, NV 89502 and the phone number is (775) 786-7200.
Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.
