MR. SPENCER KNOWLTON CEO
NPI 1649383704
Durable Medical Equipment & Medical Supplies in Camden, ME

NPI Status: Active since August 15, 2006

Contact Information

14 MILL ST
CAMDEN, ME
ZIP 04843
Phone: (207) 236-3006
Fax: (207) 236-1018

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  • Individual
  • Male
  • Durable Medical Equipment & Medical Supp...

About SPENCER KNOWLTON

This page provides the complete NPI Profile along with additional information for Spencer Knowlton, a provider established in Camden, Maine with a medical specialization in Durable Medical Equipment & Medical Supplies. The healthcare provider is registered in the NPI registry with number 1649383704 assigned on August 2006. The practitioner's primary taxonomy code is 332B00000X with license number NOT REQUIRED (ME). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1649383704
Provider Name
MR. SPENCER KNOWLTON CEO
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
14 MILL ST CAMDEN, ME 04843
Location Phone
(207) 236-3006
Location Fax
(207) 236-1018
Mailing Address
PO BOX 951 CAMDEN, ME 04843
Mailing Phone
(207) 236-3006
Mailing Fax
(207) 236-1018
Is Sole Proprietor?
Yes
Enumeration Date
08-15-2006
Last Update Date
09-06-2023
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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

Durable Medical Equipment & Medical Supplies

Taxonomy Code
332B00000X
Type
Suppliers
License No.
NOT REQUIRED
License State
ME
Taxonomy Description
A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time.

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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 1649383704, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
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 4 → 8 3 → 6 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 6 + 8 + 6 + 7 + 0 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1649383704.

Other Providers at the Same Location


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

Durable Medical Equipment & Medical Supplies
14 MILL ST
CAMDEN, ME 04843

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649383704, enumerated as an "individual" on August 15, 2006.

The provider is located at 14 MILL ST CAMDEN, ME 04843 and the phone number is (207) 236-3006.

Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.