CITY MEDICAL OF UPPER EAST SIDE, PLLC
NPI 1578378469
Clinic/Center - Urgent Care in Fairfield, CT

NPI Status: Active since February 10, 2025

Contact Information

320 KINGS HWY E
FAIRFIELD, CT
ZIP 06825
Phone: (203) 706-4171

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  • Organization
  • Clinic/Center
  • Urgent Care

About CITY MEDICAL OF UPPER EAST SIDE, PLLC

This page provides the complete NPI Profile along with additional information for City Medical Of Upper East Side, Pllc, a provider established in Fairfield, Connecticut operating as a Clinic/center, focusing in urgent care . The healthcare provider is registered in the NPI registry with number 1578378469 assigned on February 2025. The practitioner's primary taxonomy code is 261QU0200X. 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 Jeffrey D Lebenger (Ceo)

NPI
1578378469
Provider Name
CITY MEDICAL OF UPPER EAST SIDE, PLLC
Entity Type
Organization
Location Address
320 KINGS HWY E FAIRFIELD, CT 06825
Location Phone
(203) 706-4171
Mailing Address
1345 AVENUE OF THE AMERICAS NEW YORK, NY 10105
Mailing Phone
(908) 588-3635
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
02-10-2025
Last Update Date
02-10-2025
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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 Urgent Care

Taxonomy Code
261QU0200X
Type
Ambulatory Health Care Facilities

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

JEFFREY D LEBENGER

Authorized Official Title
CEO
Authorized Official Phone
(908) 790-6567

Reviews for CITY MEDICAL OF UPPER EAST SIDE, PLLC

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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 1578378469, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 7 → 14 → 5 3 → 6 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 4 + 8 + 6 + 7 + 1 + 6 + 4 + 1 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1578378469.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Dentist
320 KINGS HWY E
FAIRFIELD, CT 06825
Dentist
320 KINGS HWY E
FAIRFIELD, CT 06825
Dentist (General Practice)
320 KINGS HWY E
FAIRFIELD, CT 06825
Dentist
320 KINGS HWY E
FAIRFIELD, CT 06825

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578378469, enumerated as an "organization" on February 10, 2025.

The provider is located at 320 KINGS HWY E FAIRFIELD, CT 06825 and the phone number is (203) 706-4171.

Clinic/Center with taxonomy code 261QU0200X and a focus in Urgent Care.