Quality Rating: 100 out of 100 score
NPI Status: Active since October 14, 2005
530 N Hough St Ste 140
Barrington,
Post Code: 60010
Phone: (847) 382-2020
Fax: (847) 382-1241
David J. Tabak O.d. is a Optometrist in Barrington, . David J. Tabak O.d. practices all healthcare services and medical treatments related to Optometrist. The NPI Number for David J. Tabak O.d. is 1013906916. The last update date is 2014-11-25.
David J. Tabak O.d.'s current location address is 530 N Hough St Ste 140, Barrington, . You can contact this provider via phone number (847) 382-2020 and fax number (847) 382-1241. The mailing address for David J. Tabak O.d. is 530 N Hough St Ste 140, Barrington, . 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 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 |
|---|---|---|---|
| 046007705 | MEDICAID (05) | Illinois (IL) |
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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 | 0 | 1 | 3 | 9 | 0 | 6 | 9 | 1 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 2 | 3 | 18 | 0 | 12 | 9 | 2 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 20231801292 | |||||||||
| 2 + 0 + 2 + 3 + 1 + 8 + 0 + 1 + 2 + 9 + 2 + 24 = 54 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 54 = 6 | 6 | ||||||||
The NPI number 1013906916 is valid because the calculated check digit 6 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 |
|---|---|---|---|
| 1013906726 | DEAN LEE HERRIN Individual |
Chiropractor |
PO BOX 22 ALEDO, Illinois (IL) 309-582-3326 |
| 1013906668 | SARA STRACK HALBACH Individual |
Genetic Counselor, MS |
5841 S MARYLAND AVE # MC0077 CHICAGO, Illinois (IL) 773-702-2079 |
| 1013906460 | HELEN L MOOSE Individual |
Advanced Practice Midwife |
520 N 4TH ST SPRINGFIELD, Illinois (IL) 217-545-8000 |
| 1013906411 | JOHN M SHAW Individual |
Internal Medicine, Medical Oncology |
676 N SAINT CLAIR ST CHICAGO, Illinois (IL) 312-664-5400 |
| 1013906213 | JEROME L KOLAVO Individual |
Orthopaedic Surgery, Orthopaedic Surgery of the Spine |
27650 FERRY RD WARRENVILLE, Illinois (IL) 630-225-2663 |