CHARLES J. LEIDNER MD
NPI 1003889866
Otolaryngology in Salem, MA

NPI Status: Active since February 10, 2006

Contact Information

55 HIGHLAND AVUENE
SUITE 201
SALEM, MA
ZIP 01970
Phone: (978) 745-6601
Fax: (978) 744-4872

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  • Individual
  • Male
  • Otolaryngology

About CHARLES LEIDNER

This page provides the complete NPI Profile along with additional information for Charles Leidner, a provider established in Salem, Massachusetts with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1003889866 assigned on February 2006. The practitioner's primary taxonomy code is 207Y00000X with license number 41165 (MA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1003889866
Provider Name
CHARLES J. LEIDNER MD
Gender
Male
Entity Type
Individual
Location Address
55 HIGHLAND AVUENE SUITE 201 SALEM, MA 01970
Location Phone
(978) 745-6601
Location Fax
(978) 744-4872
Mailing Address
12 PHILLIPS BEACH AVENUE SWAMPSCOTT, MA 01907
Mailing Phone
(781) 599-1915
Is Sole Proprietor?
No
Enumeration Date
02-10-2006
Last Update Date
08-01-2008
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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

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
41165
License State
MA
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

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.

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.

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
041165OTHER (01)MATUFTS
0012295OTHER (01)MANEIGHBORHOOD HEALTH
19337OTHER (01)MAHARVARD PILGRIM
2084278OTHER (01)MAAETNA
D25068MEDICARE ID-TYPE UNSPECIFIED (04)MAMEDICARE NUMBER
1000022OTHER (01)MAUNITED HEALTH CARE
D25068OTHER (01)MABLUE SHIELD
36228OTHER (01)MAFALLON
A54210MEDICARE UPIN (02)MA 
2054434MEDICAID (05)MA 

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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 1003889866, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 0 → 0 8 → 16 → 7 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 6 + 8 + 1 + 8 + 8 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1003889866.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003889866, enumerated as an "individual" on February 10, 2006.

The provider is located at 55 HIGHLAND AVUENE SUITE 201 SALEM, MA 01970 and the phone number is (978) 745-6601.

Otolaryngology with taxonomy code 207Y00000X.

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