LAURA MAGILL SACK PHD
NPI 1013884121
Medical Genetics - Clinical Cytogenetics in Boston, MA
NPI Status: Active since October 22, 2025
Contact Information
75 FRANCIS ST
BOSTON, MA
ZIP 02115
Phone: (301) 518-0681
- Individual
- Female
- Medical Genetics
- Clinical Cytogenetics
About LAURA SACK
This page provides the complete NPI Profile along with additional information for Laura Sack, a provider established in Boston, Massachusetts with a medical specialization in Medical Genetics, focusing in clinical cytogenetics . The healthcare provider is registered in the NPI registry with number 1013884121 assigned on October 2025. The practitioner's primary taxonomy code is 207SC0300X with license number NA (MA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1013884121
- Provider Name
- LAURA MAGILL SACK PHD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 75 FRANCIS ST BOSTON, MA 02115
- Location Phone
- (301) 518-0681
- Mailing Address
- 75 FRANCIS ST BOSTON, MA 02115
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-22-2025
- Last Update Date
- 10-22-2025
- 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
Medical Genetics Clinical Cytogenetics
- Taxonomy Code
- 207SC0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- NA
- License State
- MA
- Taxonomy Description
- A clinical cytogeneticist demonstrates competence in providing laboratory diagnostic and clinical interpretive services dealing with cellular components, particularly chromosomes, associated with heredity.
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 | 207SG0203X | Allopathic & Osteopathic Physicians | Medical Genetics | NA (MA) |
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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 1013884121, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 is 60. 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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013884121, enumerated as an "individual" on October 22, 2025.
The provider is located at 75 FRANCIS ST BOSTON, MA 02115 and the phone number is (301) 518-0681.
Medical Genetics with taxonomy code 207SC0300X and a focus in Clinical Cytogenetics.
