KATARZYNA BARBARA PERKOWSKA
NPI 1124703475
Internal Medicine in Norristown, PA

NPI Status: Active since June 15, 2023

Contact Information

559 W GERMANTOWN PIKE
NORRISTOWN, PA
ZIP 19403
Phone: (484) 622-1000

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  • Individual
  • Female
  • Internal Medicine

About KATARZYNA PERKOWSKA

This page provides the complete NPI Profile along with additional information for Katarzyna Perkowska, an internist established in Norristown, Pennsylvania with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1124703475 assigned on June 2023. The practitioner's primary taxonomy code is 207R00000X with license number MD495084 (PA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1124703475
Provider Name
KATARZYNA BARBARA PERKOWSKA
Gender
Female
Entity Type
Individual
Location Address
559 W GERMANTOWN PIKE NORRISTOWN, PA 19403
Location Phone
(484) 622-1000
Mailing Address
5501 OLD YORK RD PHILADELPHIA, PA 19141
Mailing Phone
(484) 622-1199
Is Sole Proprietor?
No
Enumeration Date
06-15-2023
Last Update Date
06-18-2026
Code Navigator

An internist like Katarzyna Perkowska is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 1 Cooper Plz
    Camden, NJ 08103
    (856) 342-2000
  • 700 Mullica Hill Rd
    Mullica Hill, NJ 08062
    (856) 508-1000
  • 1505 W Sherman Ave
    Vineland, NJ 08360
    (856) 641-8000

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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD495084
License State
PA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

25MA13082200 (NJ)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

MT228980 (PA)

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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 1124703475, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 2 → 4 7 → 14 → 5 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 4 + 0 + 6 + 4 + 1 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1124703475.

Other Providers at the Same Location


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

Pediatrics (Neonatal-Perinatal Medicine)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Anesthesiology
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Pathology (Anatomic Pathology & Clinical Pathology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Radiology (Diagnostic Radiology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Radiology (Diagnostic Radiology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Radiology (Neuroradiology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Internal Medicine
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Physician Assistant (Medical)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Nurse Practitioner (Adult Health)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Radiology (Diagnostic Radiology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Nurse Anesthetist, Certified Registered
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
General Acute Care Hospital
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Nurse Anesthetist, Certified Registered
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Nurse Anesthetist, Certified Registered
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Nurse Anesthetist, Certified Registered
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Emergency Medicine
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Internal Medicine
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Obstetrics & Gynecology
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403
Pediatrics
559 W GERMANTOWN PIKE, ROOM 2242
EAST NORRITON, PA 19403
Radiology (Diagnostic Radiology)
559 W GERMANTOWN PIKE
EAST NORRITON, PA 19403

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124703475, enumerated as an "individual" on June 15, 2023.

The provider is located at 559 W GERMANTOWN PIKE NORRISTOWN, PA 19403 and the phone number is (484) 622-1000.

Internal Medicine with taxonomy code 207R00000X.