COLLEEN GERG, MA, RDN
NPI 1639620420
Point of Service in Bryn Mawr, PA

NPI Status: Active since October 17, 2016

Contact Information

800 LAFAYETTE RD
BRYN MAWR, PA
ZIP 19010
Phone: (202) 497-4202

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  • Organization
  • Point of Service

About COLLEEN GERG, MA, RDN

This page provides the complete NPI Profile along with additional information for Colleen Gerg, Ma, Rdn, a provider established in Bryn Mawr, Pennsylvania operating as a Point Of Service. The healthcare provider is registered in the NPI registry with number 1639620420 assigned on October 2016. The practitioner's primary taxonomy code is 305S00000X with license number DN004713 (PA). The provider is registered as an organization and their NPI record was last updated 10 years ago. The authorized official of this NPI record is Colleen Gerg Ma, Rdn, Ldn (Owner)

NPI
1639620420
Provider Name
COLLEEN GERG, MA, RDN
Entity Type
Organization
Location Address
800 LAFAYETTE RD BRYN MAWR, PA 19010
Location Phone
(202) 497-4202
Mailing Address
800 LAFAYETTE RD BRYN MAWR, PA 19010
Mailing Phone
(202) 497-4202
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-17-2016
Last Update Date
10-17-2016
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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

Point of Service

Taxonomy Code
305S00000X
Type
Managed Care Organizations
License No.
DN004713
License State
PA
Taxonomy Description
This product may also be called an open-ended HMO and offers a transition product incorporating features of both HMOs and PPOs. Beneficiaries are enrolled in an HMO but have the option to go outside the networks for an additional cost.

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

COLLEEN GERG MA, RDN, LDN

Authorized Official Title
OWNER
Authorized Official Phone
(202) 497-4202

Reviews for COLLEEN GERG, MA, RDN

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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 1639620420, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
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 3 → 6 6 → 12 → 3 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 2 + 2 + 0 + 4 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1639620420.

Other Providers at the Same Location


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

Dietitian, Registered
800 LAFAYETTE RD
BRYN MAWR, PA 19010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639620420, enumerated as an "organization" on October 17, 2016.

The provider is located at 800 LAFAYETTE RD BRYN MAWR, PA 19010 and the phone number is (202) 497-4202.

Point of Service with taxonomy code 305S00000X.