VAUGHN C DEFOREST M.D.
NPI 1659389856
Hospitalist in Brunswick, ME

NPI Status: Active since August 03, 2006

Contact Information

MID COAST HOSPITAL
123 MEDICAL CENTER DR.
BRUNSWICK, ME
ZIP 04011
Phone: (207) 373-6086
Fax: (207) 373-6080

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  • Individual
  • Male
  • Hospitalist

About VAUGHN DEFOREST

This page provides the complete NPI Profile along with additional information for Vaughn Deforest, a provider established in Brunswick, Maine with a medical specialization in Hospitalist. The healthcare provider is registered in the NPI registry with number 1659389856 assigned on August 2006. The practitioner's primary taxonomy code is 208M00000X with license number 061028 (ME). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1659389856
Provider Name
VAUGHN C DEFOREST M.D.
Gender
Male
Entity Type
Individual
Location Address
MID COAST HOSPITAL 123 MEDICAL CENTER DR. BRUNSWICK, ME 04011
Location Phone
(207) 373-6086
Location Fax
(207) 373-6080
Mailing Address
MID COAST HOSPITAL 123 MEDICAL CENTER DR. BRUNSWICK, ME 04011
Mailing Phone
(207) 373-6086
Mailing Fax
(207) 373-6080
Is Sole Proprietor?
No
Enumeration Date
08-03-2006
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

Hospitalist

Taxonomy Code
208M00000X
Type
Allopathic & Osteopathic Physicians
License No.
061028
License State
ME
Taxonomy Description
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

061028 (ME)

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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 1659389856, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 5 → 10 → 1 3 → 6 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 6 + 8 + 1 + 8 + 8 + 1 + 0 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1659389856.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659389856, enumerated as an "individual" on August 03, 2006.

The provider is located at MID COAST HOSPITAL 123 MEDICAL CENTER DR. BRUNSWICK, ME 04011 and the phone number is (207) 373-6086.

Hospitalist with taxonomy code 208M00000X.