GYN SURGICENTER ROCKVILLE PC
NPI 1427428440
Clinic/Center - Ambulatory Surgical in Rockville, MD

NPI Status: Active since October 02, 2015

Contact Information

3206 TOWER OAKS BLVD
SUITE 100
ROCKVILLE, MD
ZIP 20852
Phone: (240) 669-3134
Fax: (240) 669-3053

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • CLIA Number: 21D2076422
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 04-17-2026

About GYN SURGICENTER ROCKVILLE PC

This page provides the complete NPI Profile along with additional information for Gyn Surgicenter Rockville Pc, a provider established in Rockville, Maryland operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1427428440 assigned on October 2015. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Mr. Evan Charles Hammerman (General Counsel)

NPI
1427428440
Provider Legal Name
GYN SURGICENTER ROCKVILLE PC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
3206 TOWER OAKS BLVD SUITE 100 ROCKVILLE, MD 20852
Location Phone
(240) 669-3134
Location Fax
(240) 669-3053
Mailing Address
3206 TOWER OAKS BLVD STE 100 ROCKVILLE, MD 20852
Mailing Phone
(240) 669-3134
Mailing Fax
(240) 669-3053
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-02-2015
Last Update Date
11-20-2025
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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

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities
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

MR. EVAN CHARLES HAMMERMAN

Authorized Official Title
GENERAL COUNSEL
Authorized Official Phone
(240) 833-3620

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
21D2076422
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
April 18, 2024
Certificate Expiration Date
April 17, 2026
Laboratory Director
NATALYA DANILYANTS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Gyn Surgicenter Rockville Pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1427428440, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
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 2 → 4 4 → 8 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 8 + 2 + 1 + 6 + 4 + 8 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1427428440.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Chiropractor
3206 TOWER OAKS BLVD, SUITE 150
ROCKVILLE, MD 20852
Pharmacist
3206 TOWER OAKS BLVD, SUITE 310
ROCKVILLE, MD 20852
Clinic/Center (Ambulatory Surgical)
3206 TOWER OAKS BLVD, SUITE 100
ROCKVILLE, MD 20852

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427428440, enumerated as an "organization" on October 02, 2015.

The provider is located at 3206 TOWER OAKS BLVD SUITE 100 ROCKVILLE, MD 20852 and the phone number is (240) 669-3134.

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