DR. DAN FREDERICK MADSEN MD
NPI 1194789883
Otolaryngology in Wharton, TX

NPI Status: Active since April 12, 2006

Contact Information

2100 REGIONAL MEDICAL DR
WHARTON, TX
ZIP 77488
Phone: (979) 532-1700
Fax: (979) 532-6796

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  • Individual
  • Male
  • Otolaryngology

About DAN MADSEN

This page provides the complete NPI Profile along with additional information for Dan Madsen, a provider established in Wharton, Texas with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1194789883 assigned on April 2006. The practitioner's primary taxonomy code is 207Y00000X with license number F6897 (TX). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1194789883
Provider Name
DR. DAN FREDERICK MADSEN MD
Gender
Male
Entity Type
Individual
Location Address
2100 REGIONAL MEDICAL DR WHARTON, TX 77488
Location Phone
(979) 532-1700
Location Fax
(979) 532-6796
Mailing Address
2100 REGIONAL MEDICAL DR WHARTON, TX 77488
Mailing Phone
(979) 532-1700
Mailing Fax
(979) 532-6796
Is Sole Proprietor?
No
Enumeration Date
04-12-2006
Last Update Date
12-05-2012
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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.
F6897
License State
TX
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.

*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
MDF6897TXOTHER (01)TXWORKERS COMPENSATION
TXB150974MEDICARE PIN (08)TX 
887915OTHER (01)TXBC/BS TX#
C18674MEDICARE UPIN (02)TX 
040006014OTHER (01)TXRAILROAD GBA - RAILROAD MEDICARE
119168603MEDICAID (05)TX 
887915MEDICARE ID-TYPE UNSPECIFIED (04)TX 
119168606MEDICAID (05)TX 
8DE536OTHER (01)TXBC/BS #
P01090504OTHER (01)TXRAILROAD MEDICARE PTAN

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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 1194789883, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 4 + 8 + 1 + 8 + 8 + 1 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1194789883.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Urology
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Internal Medicine (Gastroenterology)
2100 REGIONAL MEDICAL DR
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Obstetrics & Gynecology
2100 REGIONAL MEDICAL DR
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Pediatrics
2100 REGIONAL MEDICAL DR
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Surgery
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General Practice
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General Practice
2100 REGIONAL MEDICAL DR
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General Practice
2100 REGIONAL MEDICAL DR
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Physical Therapy Assistant
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Pediatrics
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Clinic/Center (Physical Therapy)
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Pediatrics
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WHARTON, TX 77488
Pediatrics
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Pharmacy (Community/Retail Pharmacy)
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Obstetrics & Gynecology
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Internal Medicine (Hematology & Oncology)
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Physician Assistant
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Family Medicine
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Nurse Practitioner
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488
Physician Assistant
2100 REGIONAL MEDICAL DR
WHARTON, TX 77488

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194789883, enumerated as an "individual" on April 12, 2006.

The provider is located at 2100 REGIONAL MEDICAL DR WHARTON, TX 77488 and the phone number is (979) 532-1700.

Otolaryngology with taxonomy code 207Y00000X.

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