DR. JOHN ADAM GERLACH PH.D.
NPI 1285703538
Specialist/Technologist, Other - Geneticist, Medical (PhD) in East Lansing, MI
NPI Status: Active since November 08, 2006
Contact Information
B228 LIFE SCIENCE
EAST LANSING, MI
ZIP 48824
Phone: (517) 432-3467
Fax: (517) 353-5436
- Individual
- Male
- Specialist/Technologist, Other
- Geneticist, Medical (PhD)
About JOHN GERLACH
This page provides the complete NPI Profile along with additional information for John Gerlach, a provider established in East Lansing, Michigan with a medical specialization in Specialist/technologist, Other, focusing in geneticist, medical (phd) . The healthcare provider is registered in the NPI registry with number 1285703538 assigned on November 2006. The practitioner's primary taxonomy code is 246ZG1000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1285703538
- Provider Name
- DR. JOHN ADAM GERLACH PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- B228 LIFE SCIENCE EAST LANSING, MI 48824
- Location Phone
- (517) 432-3467
- Location Fax
- (517) 353-5436
- Mailing Address
- B228 LIFE SCIENCE EAST LANSING, MI 48824
- Mailing Phone
- (517) 432-3467
- Mailing Fax
- (517) 353-5436
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-08-2006
- Last Update Date
- 09-11-2025
- 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
Specialist/Technologist, Other Geneticist, Medical (PhD)
- Taxonomy Code
- 246ZG1000X
- Type
- Technologists, Technicians & Other Technical Service Providers
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 | 246Z00000X | Technologists, Technicians & Other Technical Service Providers | Specialist/Technologist, Other |
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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 1285703538, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1285703538, enumerated as an "individual" on November 08, 2006.
The provider is located at B228 LIFE SCIENCE EAST LANSING, MI 48824 and the phone number is (517) 432-3467.
Specialist/Technologist, Other with taxonomy code 246ZG1000X and a focus in Geneticist, Medical (PhD).
