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SEIDENBERG PROTZKO SURGERY CENTER LLC
NPI 1922055235
Clinic/Center - Ambulatory Surgical in Aberdeen, MD

Active since May 30, 2006
1111 BEARDS HILL RD, SUITE 700, ABERDEEN, MD 21001(410) 273-9096(410) 273-9146 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 8, 2025, Aug 27, 2022 (2 updates tracked since 2022).

Table of Contents

  1. NPI Profile Information
  2. Primary Taxonomy
  3. Authorized Official
  4. Areas of Expertise
  5. NPI Validation
  6. Other Providers Same Location
  7. Frequently Asked Questions
  • Organization
  • Clinic/Center
  • Ambulatory Surgical

About SEIDENBERG PROTZKO SURGERY CENTER LLC

This page provides the complete NPI Profile along with additional information for Seidenberg Protzko Surgery Center Llc, a provider established in Aberdeen, Maryland operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1922055235 assigned on May 2006. The practitioner's primary taxonomy code is 261QA1903X with license number A1432 (MD). The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Steven Madreperla Md, Phd (President/ceo)

NPI
1922055235
Provider Name
SEIDENBERG PROTZKO SURGERY CENTER LLC
Other Name Type
(6)
Entity Type
Organization
Location Address
1111 BEARDS HILL RD SUITE 700 ABERDEEN, MD 21001
Location Phone
(410) 273-9096
Location Fax
(410) 273-9146
Mailing Address
420 MOUNTAIN AVE FL 4 NEW PROVIDENCE, NJ 07974
Mailing Phone
(908) 458-8313
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-30-2006
Last Update Date
10-08-2025
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities
License No.
A1432
License State
MD

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

STEVEN MADREPERLA MD, PHD

Authorized Official Title
PRESIDENT/CEO
Authorized Official Phone
(908) 458-8333

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 66 times for 57 patients

Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye

This is a two-part eye procedure. First, a cloudy lens (cataract) is removed from its outer layer and replaced with an artificial lens to improve vision. Second, a drainage device is inserted into the front part of the eye to manage fluid levels, preventing pressure build-up.

This service was performed 34 times for 20 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 1,142 times for 664 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 331 times for 252 patients

Reviews for SEIDENBERG PROTZKO SURGERY CENTER LLC

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 1922055235, 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
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 0 → 0 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 0 + 5 + 1 + 0 + 2 + 6 + 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 1922055235.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

SECURUS ANESTHESIA LLC
Anesthesiology
1111 BEARDS HILL RD, SUITE 700
ABERDEEN, MD 21001
Harford County (410) 273-9096

Frequently Asked Questions

What is SEIDENBERG PROTZKO SURGERY CENTER LLC's NPI number?

The NPI number assigned to this healthcare provider is 1922055235, enumerated as an "organization" on May 30, 2006.

Where is the provider located?

The provider is located at 1111 BEARDS HILL RD SUITE 700 ABERDEEN, MD 21001 and the phone number is (410) 273-9096.

What is the provider's specialty?

Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.