DR. FREDERICK EDWIN KNOWLES III M.D.
NPI 1275631301
Specialist in Cambridge, MD

NPI Status: Active since September 20, 2006

Contact Information

830 CHESAPEAKE DR
CAMBRIDGE, MD
ZIP 21613
Phone: (410) 901-4011
Fax: (410) 901-4070

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  • Individual
  • Male
  • Specialist

About FREDERICK KNOWLES

This page provides the complete NPI Profile along with additional information for Frederick Knowles, a provider established in Cambridge, Maryland with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1275631301 assigned on September 2006. The practitioner's primary taxonomy code is 174400000X with license number D0009054 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1275631301
Provider Name
DR. FREDERICK EDWIN KNOWLES III M.D.
Gender
Male
Entity Type
Individual
Location Address
830 CHESAPEAKE DR CAMBRIDGE, MD 21613
Location Phone
(410) 901-4011
Location Fax
(410) 901-4070
Mailing Address
830 CHESAPEAKE DR. VA CLINIC CAMBRIDGE, MD 21613
Mailing Phone
(410) 901-4011
Mailing Fax
(410) 901-4070
Is Sole Proprietor?
No
Enumeration Date
09-20-2006
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
D0009054
License State
MD
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1275631301, 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
0
Doubled → 0
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 7 → 14 → 5 6 → 12 → 3 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 2 + 3 + 2 + 3 + 0 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1275631301.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Internal Medicine
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Family Medicine
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Internal Medicine
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Podiatrist (Foot & Ankle Surgery)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Family Medicine
830 CHESAPEAKE DR, VA MARYLAND HEALTHCARE SYSTEM
CAMBRIDGE, MD 21613
Family Medicine
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Social Worker (Clinical)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Audiologist
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Pharmacist (Pharmacotherapy)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Optometrist
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Optometrist
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Nurse Practitioner (Adult Health)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Social Worker (Clinical)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Clinic/Center (VA)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Internal Medicine
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Nurse Practitioner (Psychiatric/Mental Health)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Social Worker (Clinical)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613
Psychologist (Cognitive & Behavioral)
830 CHESAPEAKE DR
CAMBRIDGE, MD 21613

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275631301, enumerated as an "individual" on September 20, 2006.

The provider is located at 830 CHESAPEAKE DR CAMBRIDGE, MD 21613 and the phone number is (410) 901-4011.

Specialist with taxonomy code 174400000X.