WILLIAM K DAHL DPM
NPI 1821141326
Podiatrist - Primary Podiatric Medicine in Bangor, ME

NPI Status: Active since January 19, 2007

Contact Information

205 FRENCH ST
BANGOR, ME
ZIP 04401
Phone: (207) 945-5554
Fax: (207) 945-5196

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  • Individual
  • Male
  • Podiatrist
  • Primary Podiatric Medicine

About WILLIAM DAHL

This page provides the complete NPI Profile along with additional information for William Dahl, a provider established in Bangor, Maine with a medical specialization in Podiatrist, focusing in primary podiatric medicine . The healthcare provider is registered in the NPI registry with number 1821141326 assigned on January 2007. The practitioner's primary taxonomy code is 213EP1101X with license number POD200 (ME). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1821141326
Provider Name
WILLIAM K DAHL DPM
Gender
Male
Entity Type
Individual
Location Address
205 FRENCH ST BANGOR, ME 04401
Location Phone
(207) 945-5554
Location Fax
(207) 945-5196
Mailing Address
205 FRENCH ST BANGOR, ME 04401
Mailing Phone
(207) 945-5554
Mailing Fax
(207) 945-5196
Is Sole Proprietor?
Yes
Enumeration Date
01-19-2007
Last Update Date
05-21-2009
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A podiatrist like William Dahl provides medical and surgical care for people with foot, ankle, and lower leg issues. Podiatrists treat foot and ankle ailments like calluses, ingrown toenails, heel spurs, arthritis, congenital foot deformities, foot problems associated with diabetes and arch problems.

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

Podiatrist Primary Podiatric Medicine

Taxonomy Code
213EP1101X
Type
Podiatric Medicine & Surgery Service Providers
License No.
POD200
License State
ME

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
MM2240MEDICARE ID-TYPE UNSPECIFIED (04)ME 
220000000MEDICAID (05)ME 
T79477MEDICARE UPIN (02)ME 
010476684OTHER (01)MEFED I D NUMBER

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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 1821141326, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 1 → 2 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 2 + 4 + 2 + 3 + 4 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1821141326.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Podiatrist (Primary Podiatric Medicine)
205 FRENCH ST
BANGOR, ME 04401
Podiatrist
205 FRENCH ST
BANGOR, ME 04401
Podiatrist (Foot & Ankle Surgery)
205 FRENCH ST
BANGOR, ME 04401
Podiatrist (Primary Podiatric Medicine)
205 FRENCH ST
BANGOR, ME 04401
Internal Medicine
205 FRENCH ST
BANGOR, ME 04401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821141326, enumerated as an "individual" on January 19, 2007.

The provider is located at 205 FRENCH ST BANGOR, ME 04401 and the phone number is (207) 945-5554.

Podiatrist with taxonomy code 213EP1101X and a focus in Primary Podiatric Medicine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.