RETINA CENTER OF MAINE, LLC PA
NPI 1801077128
Ophthalmology - Retina Specialist in Portland, ME

NPI Status: Active since November 15, 2007

Contact Information

195 FORE RIVER PKWY STE 480
PORTLAND, ME
ZIP 04102
Phone: (207) 773-3937
Fax: (207) 773-0801

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  • Organization
  • Ophthalmology
  • Retina Specialist

About RETINA CENTER OF MAINE, LLC PA

This page provides the complete NPI Profile along with additional information for Retina Center Of Maine, Llc Pa, a provider established in Portland, Maine operating as a Ophthalmology, focusing in retina specialist . The healthcare provider is registered in the NPI registry with number 1801077128 assigned on November 2007. The practitioner's primary taxonomy code is 207WX0107X with license number MD14047 (ME). The provider is registered as an organization and their NPI record was last updated 9 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. Mark Wilson Balles Md (Md / Practice Owner)

NPI
1801077128
Provider Name
RETINA CENTER OF MAINE, LLC PA
Entity Type
Organization
Location Address
195 FORE RIVER PKWY STE 480 PORTLAND, ME 04102
Location Phone
(207) 773-3937
Location Fax
(207) 773-0801
Mailing Address
195 FORE RIVER PKWY STE 480 PORTLAND, ME 04102
Mailing Phone
(207) 773-3937
Mailing Fax
(207) 773-0801
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-15-2007
Last Update Date
04-18-2017
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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

Ophthalmology Retina Specialist

Taxonomy Code
207WX0107X
Type
Allopathic & Osteopathic Physicians
License No.
MD14047
License State
ME
Taxonomy Description
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

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. MARK WILSON BALLES MD

Authorized Official Title
MD / PRACTICE OWNER
Authorized Official Phone
(207) 773-3937

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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 1801077128, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
8
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 0 → 0 0 → 0 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 0 + 7 + 1 + 4 + 1 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1801077128.

Other Providers at the Same Location


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

Ophthalmology
195 FORE RIVER PKWY STE 480
PORTLAND, ME 04102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801077128, enumerated as an "organization" on November 15, 2007.

The provider is located at 195 FORE RIVER PKWY STE 480 PORTLAND, ME 04102 and the phone number is (207) 773-3937.

Ophthalmology with taxonomy code 207WX0107X and a focus in Retina Specialist.