DONNA J HAGBERG, MD., LLC
NPI 1336328384
Specialist in Greenwich, CT

NPI Status: Active since October 26, 2007

Contact Information

1 PERRYRIDGE RD
GREENWICH, CT
ZIP 06830
Phone: (203) 869-8353
Fax: (203) 869-4004

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  • Organization
  • Specialist

About DONNA J HAGBERG, MD., LLC

This page provides the complete NPI Profile along with additional information for Donna J Hagberg, Md., Llc, a provider established in Greenwich, Connecticut operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1336328384 assigned on October 2007. The practitioner's primary taxonomy code is 174400000X with license number 032695 (CT). The provider is registered as an organization and their NPI record was last updated 19 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Donna J Hagberg M.d. (Owner)

NPI
1336328384
Provider Name
DONNA J HAGBERG, MD., LLC
Entity Type
Organization
Location Address
1 PERRYRIDGE RD GREENWICH, CT 06830
Location Phone
(203) 869-8353
Location Fax
(203) 869-4004
Mailing Address
1 PERRYRIDGE RD GREENWICH, CT 06830
Mailing Phone
(203) 869-8353
Mailing Fax
(203) 869-4004
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-26-2007
Last Update Date
10-26-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
032695
License State
CT
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

DR. DONNA J HAGBERG M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(203) 869-8353

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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 1336328384, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 3 → 6 3 → 6 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 6 + 2 + 1 + 6 + 3 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1336328384.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Specialist
1 PERRYRIDGE RD
GREENWICH, CT 06830
Obstetrics & Gynecology (Gynecology)
1 PERRYRIDGE RD
GREENWICH, CT 06830
Obstetrics & Gynecology (Gynecology)
1 PERRYRIDGE RD
GREENWICH, CT 06830
Dermatology
1 PERRYRIDGE RD, SUITE 2
GREENWICH, CT 06830
Dermatology
1 PERRYRIDGE RD, SUITE 2
GREENWICH, CT 06830

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336328384, enumerated as an "organization" on October 26, 2007.

The provider is located at 1 PERRYRIDGE RD GREENWICH, CT 06830 and the phone number is (203) 869-8353.

Specialist with taxonomy code 174400000X.