CHRISTOPHER NORMAN KNOWLES
NPI 1548110091
Nurse Practitioner - Family in Pittsfield, ME

NPI Status: Active since February 02, 2026

Contact Information

447 N MAIN ST
PITTSFIELD, ME
ZIP 04967
Phone: (207) 446-8480

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  • Individual
  • Male
  • Nurse Practitioner
  • Family

About CHRISTOPHER KNOWLES

This page provides the complete NPI Profile along with additional information for Christopher Knowles, a provider established in Pittsfield, Maine with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1548110091 assigned on February 2026. The practitioner's primary taxonomy code is 363LF0000X with license number CNP251872 (ME). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1548110091
Provider Name
CHRISTOPHER NORMAN KNOWLES
Gender
Male
Entity Type
Individual
Location Address
447 N MAIN ST PITTSFIELD, ME 04967
Location Phone
(207) 446-8480
Mailing Address
24 SELDEN LN OAKLAND, ME 04963
Mailing Phone
(207) 446-8480
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
02-02-2026
Last Update Date
02-02-2026
Code Navigator

A nurse practitioner (NP) like Christopher Knowles is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
CNP251872
License State
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 1548110091, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 2 + 1 + 0 + 0 + 1 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1548110091.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

General Acute Care Hospital (Critical Access)
447 N MAIN ST
PITTSFIELD, ME 04967
Occupational Therapy Assistant
447 N MAIN ST
PITTSFIELD, ME 04967
Occupational Therapist
447 N MAIN ST
PITTSFIELD, ME 04967
Occupational Therapist
447 N MAIN ST
PITTSFIELD, ME 04967
Dietitian, Registered
447 N MAIN ST
PITTSFIELD, ME 04967
Dietitian, Registered
447 N MAIN ST, DIABETES AND NUTRITION CLINIC
PITTSFIELD, ME 04967
Podiatrist (Foot & Ankle Surgery)
447 N MAIN ST
PITTSFIELD, ME 04967
Physical Therapist
447 N MAIN ST
PITTSFIELD, ME 04967
General Acute Care Hospital (Critical Access)
447 N MAIN ST
PITTSFIELD, ME 04967
General Acute Care Hospital (Critical Access)
447 N MAIN ST
PITTSFIELD, ME 04967
Pharmacist (Ambulatory Care)
447 N MAIN ST
PITTSFIELD, ME 04967
Radiology (Diagnostic Radiology)
447 N MAIN ST
PITTSFIELD, ME 04967
Orthopaedic Surgery
447 N MAIN ST
PITTSFIELD, ME 04967
Radiology (Diagnostic Radiology)
447 N MAIN ST
PITTSFIELD, ME 04967
Emergency Medicine
447 N MAIN ST
PITTSFIELD, ME 04967
Emergency Medicine
447 N MAIN ST
PITTSFIELD, ME 04967
Family Medicine
447 N MAIN ST
PITTSFIELD, ME 04967
Registered Nurse (Medical-Surgical)
447 N MAIN ST
PITTSFIELD, ME 04967
Emergency Medicine
447 N MAIN ST
PITTSFIELD, ME 04967

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548110091, enumerated as an "individual" on February 02, 2026.

The provider is located at 447 N MAIN ST PITTSFIELD, ME 04967 and the phone number is (207) 446-8480.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.