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

GEMMA G ROZMUS MD
NPI 1841292398
Internal Medicine in Meadowbrook, PA

Active since August 15, 2005
1648 HUNTINGDON PIKE, MEADOWBROOK, PA 19046(215) 938-2119(215) 938-2112 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
  • Internal Medicine

About GEMMA ROZMUS

This page provides the complete NPI Profile along with additional information for Gemma Rozmus, an internist established in Meadowbrook, Pennsylvania with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1841292398 assigned on August 2005. The practitioner's primary taxonomy code is 207R00000X with license number MD059829L (PA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1841292398
Provider Name
GEMMA G ROZMUS MD
Gender
Female
Entity Type
Individual
Location Address
1648 HUNTINGDON PIKE MEADOWBROOK, PA 19046
Location Phone
(215) 938-2119
Location Fax
(215) 938-2112
Mailing Address
12265 TOWNSEND RD STE 500 PHILADELPHIA, PA 19154
Mailing Phone
(215) 856-1014
Mailing Fax
(215) 856-1020
Is Sole Proprietor?
No
Enumeration Date
08-15-2005
Last Update Date
07-13-2026
Code Navigator

An internist like Gemma Rozmus 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

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.
MD059829L
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.

Reviews for GEMMA G ROZMUS MD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1841292398, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 4 → 8 2 → 4 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 4 + 9 + 4 + 3 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1841292398.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Emergency Medicine
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Obstetrics & Gynecology
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Pediatrics
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Radiology (Diagnostic Radiology)
1648 HUNTINGDON PIKE, RADIOLOGY DEPARTMENT
MEADOWBROOK, PA 19046
Clinic/Center (Radiology)
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Emergency Medicine
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Anesthesiology
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Physical Medicine & Rehabilitation
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Anesthesiology
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Anesthesiology
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Nurse Anesthetist, Certified Registered
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Pediatrics
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Obstetrics & Gynecology
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Pharmacist
1648 HUNTINGDON PIKE, HOLY REDEEMER HOSPITAL
MEADOWBROOK, PA 19046
Nurse Practitioner (Neonatal, Critical Care)
1648 HUNTINGDON PIKE, HOLY REDEEMER HOSPITAL
MEADOWBROOK, PA 19046
Nurse Anesthetist, Certified Registered
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046
Nurse Practitioner (Neonatal)
1648 HUNTINGDON PIKE
MEAOWBROOK, PA 19046
Emergency Medicine
1648 HUNTINGDON PIKE
MEADOWBROOK, PA 19046

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841292398, enumerated as an "individual" on August 15, 2005.

The provider is located at 1648 HUNTINGDON PIKE MEADOWBROOK, PA 19046 and the phone number is (215) 938-2119.

Internal Medicine with taxonomy code 207R00000X.