STEPHEN C BLACKLOW M.D.
NPI 1982662805
Pathology - Clinical Pathology/Laboratory Medicine in Boston, MA

NPI Status: Active since May 02, 2006

Contact Information

77 AVENUE LOUIS PASTEUR
BOSTON, MA
ZIP 02115
Phone: (617) 525-4415

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  • Individual
  • Male
  • Pathology
  • Clinical Pathology/Laboratory Medicine

About STEPHEN BLACKLOW

This page provides the complete NPI Profile along with additional information for Stephen Blacklow, a provider established in Boston, Massachusetts with a medical specialization in Pathology, focusing in clinical pathology/laboratory medicine . The healthcare provider is registered in the NPI registry with number 1982662805 assigned on May 2006. The practitioner's primary taxonomy code is 207ZP0105X with license number 81307 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1982662805
Provider Name
STEPHEN C BLACKLOW M.D.
Gender
Male
Entity Type
Individual
Location Address
77 AVENUE LOUIS PASTEUR BOSTON, MA 02115
Location Phone
(617) 525-4415
Mailing Address
16 ASH ST CAMBRIDGE, MA 02138
Mailing Phone
(617) 525-4415
Is Sole Proprietor?
Yes
Enumeration Date
05-02-2006
Last Update Date
07-08-2007
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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

Pathology Clinical Pathology/Laboratory Medicine

Taxonomy Code
207ZP0105X
Type
Allopathic & Osteopathic Physicians
License No.
81307
License State
MA
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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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 1982662805, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
5
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 8 → 16 → 7 6 → 12 → 3 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 6 + 2 + 1 + 2 + 6 + 4 + 8 + 0 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1982662805.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
77 AVENUE LOUIS PASTEUR
BOSTON, MA 02115
Internal Medicine
77 AVENUE LOUIS PASTEUR, NRB 455
BOSTON, MA 02115
Psychiatry & Neurology (Neurology)
77 AVENUE LOUIS PASTEUR
BOSTON, MA 02115
Internal Medicine (Endocrinology, Diabetes & Metabolism)
77 AVENUE LOUIS PASTEUR, HARVARD INSTITUTES OF MEDICINE
BOSTON, MA 02115
Pathology (Anatomic Pathology)
77 AVENUE LOUIS PASTEUR, HNRB 730G
BOSTON, MA 02115
Internal Medicine
77 AVENUE LOUIS PASTEUR, NRB ROOM 1030
BOSTON, MA 02115
Chronic Disease Hospital
77 AVENUE LOUIS PASTEUR, NRB 455
BOSTON, MA 02115
Pediatrics (Pediatric Rheumatology)
77 AVENUE LOUIS PASTEUR, NRB-837
BOSTON, MA 02115
Psychiatry & Neurology (Neurology)
77 AVENUE LOUIS PASTEUR, HIM 730
BOSTON, MA 02115
Internal Medicine (Pulmonary Disease)
77 AVENUE LOUIS PASTEUR, HIM 807
BOSTON, MA 02115
Dermatology
77 AVENUE LOUIS PASTEUR, 671 HIM
BOSTON, MA 02115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982662805, enumerated as an "individual" on May 02, 2006.

The provider is located at 77 AVENUE LOUIS PASTEUR BOSTON, MA 02115 and the phone number is (617) 525-4415.

Pathology with taxonomy code 207ZP0105X and a focus in Clinical Pathology/Laboratory Medicine.