Quality Rating: 100 out of 100 score
NPI Status: Active since May 24, 2005
7777 Forest Ln
Dallas,
Post Code: 75230
Phone: (972) 566-3939
Fax: (972) 566-3999
Frederick J Duffy M.d. is a Plastic Surgery, Plastic Surgery Within the Head and Neck in Dallas, . Frederick J Duffy M.d. practices all healthcare services and medical treatments related to Plastic Surgery, Plastic Surgery Within the Head and Neck. The NPI Number for Frederick J Duffy M.d. is 1376546101. The last update date is 2018-07-26.
Frederick J Duffy M.d.'s current location address is 7777 Forest Ln, Dallas, . You can contact this provider via phone number (972) 566-3939 and fax number (972) 566-3999. The mailing address for Frederick J Duffy M.d. is 7777 Forest Ln, Dallas, . To know further, please read the information below!
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.
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 2082S0099X | Plastic Surgery Within the Head and Neck (Plastic Surgery) Physician |
Plastic Surgery, Plastic Surgery Within the Head and Neck |
k2452 (Texas) |
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 |
|---|---|---|---|
| 120616104 | MEDICAID (05) | Texas (TX) | |
| 250010502 | Other (non-Medicare) (01) | Texas (TX) | MEDICARE RAILROAD - INDIVIDUAL |
| DG1038 | Other (non-Medicare) (01) | Texas (TX) | MEDICARE RAILROAD GROUP |
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The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 3 | 7 | 6 | 5 | 4 | 6 | 1 | 0 | 1 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 3 | 14 | 6 | 10 | 4 | 12 | 1 | 0 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 231461041210 | |||||||||
| 2 + 3 + 1 + 4 + 6 + 1 + 0 + 4 + 1 + 2 + 1 + 0 + 24 = 49 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 50 - 49 = 1 | 1 | ||||||||
The NPI number 1376546101 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.
The following 5 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1376546051 | DAVID SAMUEL WOLF Individual |
Podiatrist, Foot & Ankle Surgery |
11515 CHIMNEY ROCK RD HOUSTON, Texas (TX) 713-728-3117 |
| 1376545954 | JOHN RICHARD HENNER Individual |
Emergency Medicine |
3100 N TENAYA WAY LAS VEGAS, Nevada (NV) 972-915-3600 |
| 1376545830 | CONSTANCE MARIE RAFAILEDES Individual |
Counselor, Mental Health |
1011 GRANBURY ST CLEBURNE, Texas (TX) 817-645-3328 |
| 1376545822 | DAVID DOWNS Individual |
Pharmacist |
11208 DEADOAK LN AUSTIN, Texas (TX) 512-913-9102 |
| 1376545731 | JENNIFER TROTTER Individual |
Pediatrics |
21216 NORTHWEST FREEWAY CYPRESS, Texas (TX) 281-890-6514 |