Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CATHY LITTY M.D.
NPI 1275583080
Pathology - Blood Banking & Transfusion Medicine in Philadelphia, PA

Active since May 11, 2006
3601 A ST, PHILADELPHIA, PA 19134(215) 427-5324 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Pathology
  • Blood Banking & Transfusion Medicine

About CATHY LITTY

This page provides the complete NPI Profile along with additional information for Cathy Litty, a provider established in Philadelphia, Pennsylvania with a medical specialization in Pathology, focusing in blood banking & transfusion medicine . The healthcare provider is registered in the NPI registry with number 1275583080 assigned on May 2006. The practitioner's primary taxonomy code is 207ZB0001X with license number MD044794L (PA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1275583080
Provider Name
CATHY LITTY M.D.
Gender
Female
Entity Type
Individual
Location Address
3601 A ST PHILADELPHIA, PA 19134
Location Phone
(215) 427-5324
Mailing Address
3601 A ST PHILADELPHIA, PA 19134
Mailing Phone
(215) 427-5324
Is Sole Proprietor?
No
Enumeration Date
05-11-2006
Last Update Date
07-13-2026
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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 Blood Banking & Transfusion Medicine

Taxonomy Code
207ZB0001X
Type
Allopathic & Osteopathic Physicians
License No.
MD044794L
License State
PA
Taxonomy Description
A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

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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 1275583080, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
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 7 → 14 → 5 5 → 10 → 1 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 0 + 8 + 6 + 0 + 1 + 6 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1275583080.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3601 A ST
PHILADELPHIA, PA 19134
Neurological Surgery
3601 A ST
PHILADELPHIA, PA 19134
Medical Genetics (Clinical Genetics (M.D.))
3601 A ST, CLINICAL GENETICS/SCHC
PHILADELPHIA, PA 19134
Pediatrics (Developmental - Behavioral Pediatrics)
3601 A ST, ST. CHRISTOPHER'S HOSPITAL FOR CHILDREN
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
Nurse Anesthetist, Certified Registered
3601 A ST, DEPARTMENT OF ANESTHESIA
PHILADELPHIA, PA 19134
Anesthesiology
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics (Pediatric Infectious Diseases)
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics (Pediatric Nephrology)
3601 A ST
PHILADELPHIA, PA 19134
Anesthesiology
3601 A ST, DEPT. ANESTHESIOLOGY, ST. CHRISTOPHER'S HOSPITAL
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics (Pediatric Endocrinology)
3601 A ST, SECTION OF ENDOCRINOLOGY
PHILADELPHIA, PA 19134
Pediatrics (Pediatric Cardiology)
3601 A ST
PHILADELPHIA, PA 19134
Clinic/Center (Developmental Disabilities)
3601 A ST
PHILADELPHIA, PA 19134
Pediatrics
3601 A ST
PHILADELPHIA, PA 19134
General Acute Care Hospital (Children)
3601 A ST
PHILADELPHIA, PA 19134
Radiology (Diagnostic Radiology)
3601 A ST
PHILADELPHIA, PA 19134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275583080, enumerated as an "individual" on May 11, 2006.

The provider is located at 3601 A ST PHILADELPHIA, PA 19134 and the phone number is (215) 427-5324.

Pathology with taxonomy code 207ZB0001X and a focus in Blood Banking & Transfusion Medicine.