GARTH A MILLER MD PA
NPI 1730159872
Colon & Rectal Surgery in Boothbay Harbor, ME

NPI Status: Active since January 23, 2006

Contact Information

14 ST ANDREWS LN
BOOTHBAY HARBOR, ME
ZIP 04538
Phone: (207) 633-3320
Fax: (207) 633-7030

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  • Organization
  • Colon & Rectal Surgery

About GARTH A MILLER MD PA

This page provides the complete NPI Profile along with additional information for Garth A Miller Md Pa, a provider established in Boothbay Harbor, Maine operating as a Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1730159872 assigned on January 2006. The practitioner's primary taxonomy code is 208C00000X with license number 013198 (ME). The provider is registered as an organization and their NPI record was last updated one year ago. Garth A Miller Md Pa operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Garth Allen Miller Md (President)

NPI
1730159872
Provider Name
GARTH A MILLER MD PA
Entity Type
Organization
Location Address
14 ST ANDREWS LN BOOTHBAY HARBOR, ME 04538
Location Phone
(207) 633-3320
Location Fax
(207) 633-7030
Mailing Address
PO BOX 145 14 ST ANDREWS LANE BOOTHBAY HARBOR, ME 04538
Mailing Phone
(207) 633-3320
Mailing Fax
(207) 633-7030
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-23-2006
Last Update Date
09-11-2025
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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

Colon & Rectal Surgery

Taxonomy Code
208C00000X
Type
Allopathic & Osteopathic Physicians
License No.
013198
License State
ME
Taxonomy Description
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

013198 (ME)
2208600000XAllopathic & Osteopathic Physicians

Surgery

013198 (ME)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

GARTH ALLEN MILLER MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(207) 633-3320

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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 1730159872, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 1 → 2 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 2 + 5 + 1 + 8 + 8 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1730159872.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730159872, enumerated as an "organization" on January 23, 2006.

The provider is located at 14 ST ANDREWS LN BOOTHBAY HARBOR, ME 04538 and the phone number is (207) 633-3320.

Colon & Rectal Surgery with taxonomy code 208C00000X.