MR. NATHAN MICHAEL LEFEBRE MA
NPI 1649060716
Psychologist - Clinical in Detroit, MI
NPI Status: Active since May 10, 2025
Contact Information
4646 JOHN R ST
DETROIT, MI
ZIP 48201
Phone: (313) 576-1000
- Individual
- Male
- Psychologist
- Clinical
About NATHAN LEFEBRE
This page provides the complete NPI Profile along with additional information for Nathan Lefebre, a provider established in Detroit, Michigan with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1649060716 assigned on May 2025. The practitioner's primary taxonomy code is 103TC0700X with license number PSB94027254 (CA). The provider is registered as an individual and his NPI record was last updated December 2025.
- NPI
- 1649060716
- Provider Name
- MR. NATHAN MICHAEL LEFEBRE MA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4646 JOHN R ST DETROIT, MI 48201
- Location Phone
- (313) 576-1000
- Mailing Address
- 4646 JOHN R ST DETROIT, MI 48201
- Mailing Phone
- (313) 576-1000
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-10-2025
- Last Update Date
- 12-22-2025
- Code Navigator
A clinical psychologist like Nathan Lefebre assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.
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
Psychologist Clinical
- Taxonomy Code
- 103TC0700X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PSB94027254
- License State
- CA
- Taxonomy Description
- A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 103TR0400X | Behavioral Health & Social Service Providers | Psychologist |
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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 1649060716, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 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.
DETROIT, MI 48201
DETROIT, MI 48201
DETROIT, MI 48201
DETROIT, MI 48201
DETROIT, MI 48201
DETROIT, MI 48201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649060716, enumerated as an "individual" on May 10, 2025.
The provider is located at 4646 JOHN R ST DETROIT, MI 48201 and the phone number is (313) 576-1000.
Psychologist with taxonomy code 103TC0700X and a focus in Clinical.
