Quality Rating: 100 out of 100 score
NPI Status: Active since November 18, 2005
Po Box 540
Upper Sandusky,
Post Code: 43351
Phone: (419) 294-2421
Fax: (419) 294-2499
William Randall Knapp O.d. is a Optometrist, Sports Vision in Upper Sandusky, . William Randall Knapp O.d. practices all healthcare services and medical treatments related to Optometrist, Sports Vision. The NPI Number for William Randall Knapp O.d. is 1437131927. The last update date is 2008-08-21.
William Randall Knapp O.d.'s current location address is Po Box 540, Upper Sandusky, . You can contact this provider via phone number (419) 294-2421 and fax number (419) 294-2499. The mailing address for William Randall Knapp O.d. is Po Box 540, Upper Sandusky, . 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 |
|---|---|---|---|
| 2031661 | MEDICAID (05) | Ohio (OH) |
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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 | 4 | 3 | 7 | 1 | 3 | 1 | 9 | 2 | 7 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 4 | 6 | 7 | 2 | 3 | 2 | 9 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 246723294 | |||||||||
| 2 + 4 + 6 + 7 + 2 + 3 + 2 + 9 + 4 + 24 = 63 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 63 = 7 | 7 | ||||||||
The NPI number 1437131927 is valid because the calculated check digit 7 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 |
|---|---|---|---|
| 1316940364 | GEETHA CONJEEVARAM Individual |
Internal Medicine |
75 HOSPITAL DR ATHENS, Ohio (OH) 740-592-4491 |
| 1346243391 | JAMES BURTON HOOVER Individual |
Physical Medicine & Rehabilitation |
998 S DORSET RD TROY, Ohio (OH) 937-332-8843 |
| 1295738235 | KRISHNA M RAGOTHAMAN Individual |
Family Medicine |
128 N LOCUST ST OAK HARBOR, Ohio (OH) 419-898-8124 |
| 1235132275 | EWA M HANSEN Individual |
Pediatrics |
3740 W SYLVANIA AVE TOLEDO, Ohio (OH) 419-473-6670 |
| 1144223181 | EUGENE R LITTLE Individual |
Podiatrist, Foot & Ankle Surgery |
1013 E SPRING ST ST MARYS, Ohio (OH) 419-394-8664 |