DR. MARY S LEFFELL PH.D.,ABMLI,ABHI
NPI 1013053867
Specialist in Baltimore, MD

NPI Status: Active since January 29, 2007

Contact Information

2041 E MONUMENT ST
BALTIMORE, MD
ZIP 21205
Phone: (410) 955-3600
Fax: (410) 955-0431

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  • Individual
  • Female
  • Specialist

About MARY LEFFELL

This page provides the complete NPI Profile along with additional information for Mary Leffell, a provider established in Baltimore, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1013053867 assigned on January 2007. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1013053867
Provider Name
DR. MARY S LEFFELL PH.D.,ABMLI,ABHI
Gender
Female
Entity Type
Individual
Location Address
2041 E MONUMENT ST BALTIMORE, MD 21205
Location Phone
(410) 955-3600
Location Fax
(410) 955-0431
Mailing Address
2041 E MONUMENT ST BALTIMORE, MD 21205
Mailing Phone
(410) 955-3600
Mailing Fax
(410) 955-0431
Is Sole Proprietor?
No
Enumeration Date
01-29-2007
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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1013053867, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 0 + 5 + 6 + 8 + 1 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1013053867.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Specialist
2041 E MONUMENT ST, IMMUNOGENETICS LABORATORY
BALTIMORE, MD 21205
Specialist
2041 E MONUMENT ST
BALTIMORE, MD 21205
Specialist
2041 E MONUMENT ST
BALTIMORE, MD 21205
Pathology (Immunopathology)
2041 E MONUMENT ST
BALTIMORE, MD 21205

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013053867, enumerated as an "individual" on January 29, 2007.

The provider is located at 2041 E MONUMENT ST BALTIMORE, MD 21205 and the phone number is (410) 955-3600.

Specialist with taxonomy code 174400000X.