PEGGY SUE RENZI
NPI 1124815964
Nurse Practitioner - Family in Baltimore, MD

NPI Status: Active since April 24, 2025

Contact Information

22 S GREENE ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-8667

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About PEGGY RENZI

This page provides the complete NPI Profile along with additional information for Peggy Renzi, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1124815964 assigned on April 2025. The practitioner's primary taxonomy code is 363LF0000X with license number R172108 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1124815964
Provider Name
PEGGY SUE RENZI
Gender
Female
Entity Type
Individual
Location Address
22 S GREENE ST BALTIMORE, MD 21201
Location Phone
(410) 328-8667
Mailing Address
1019 MAGOTHY PARK LN ANNAPOLIS, MD 21409
Mailing Phone
(410) 746-8977
Is Sole Proprietor?
Yes
Enumeration Date
04-24-2025
Last Update Date
04-24-2025
Code Navigator

A nurse practitioner (NP) like Peggy Renzi is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Secondary Locations

  • 1019 Magothy Park Ln
    Annapolis, MD 21409
    (410) 746-8977

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R172108
License State
MD

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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 1124815964, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 8 → 16 → 7 5 → 10 → 1 6 → 12 → 3

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 + 6 + 1 + 1 + 0 + 9 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1124815964.

Other Providers at the Same Location


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

Nurse Practitioner (Pediatrics)
22 S GREENE ST, RM N6W84
BALTIMORE, MD 21201
Internal Medicine (Hematology & Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Specialist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, DEPT. OF RADIOLOGY
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, ROOM N2E23
BALTIMORE, MD 21201
Nurse Practitioner
22 S GREENE ST, NEONATOLOGY DEPARTMENT
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Anesthetist, Certified Registered
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Trauma Surgery)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Hospitalist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Vascular Surgery)
22 S GREENE ST, S10B00
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Pulmonary Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Gastroenterology)
22 S GREENE ST
BALTIMORE, MD 21201
Emergency Medicine (Emergency Medical Services)
22 S GREENE ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124815964, enumerated as an "individual" on April 24, 2025.

The provider is located at 22 S GREENE ST BALTIMORE, MD 21201 and the phone number is (410) 328-8667.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.