Quality Rating: 100 out of 100 score
NPI Status: Active since January 8, 2006
1314 Vincent Pl
Mc Lean,
Post Code: 22101
Phone: (703) 821-8128
Fax: (703) 821-5076
David Alan Block M.d. is a Psychiatry & Neurology, Child & Adolescent Psychiatry in Mc Lean, . David Alan Block M.d. practices all healthcare services and medical treatments related to Psychiatry & Neurology, Child & Adolescent Psychiatry. The NPI Number for David Alan Block M.d. is 1699753756. The last update date is 2010-07-09.
David Alan Block M.d.'s current location address is 1314 Vincent Pl, Mc Lean, . You can contact this provider via phone number (703) 821-8128 and fax number (703) 821-5076. The mailing address for David Alan Block M.d. is 1314 Vincent Pl, Mc Lean, . 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 |
|---|
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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 | 6 | 9 | 9 | 7 | 5 | 3 | 7 | 5 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 18 | 9 | 14 | 5 | 6 | 7 | 10 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 261891456710 | |||||||||
| 2 + 6 + 1 + 8 + 9 + 1 + 4 + 5 + 6 + 7 + 1 + 0 + 24 = 74 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 80 - 74 = 6 | 6 | ||||||||
The NPI number 1699753756 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 |
|---|---|---|---|
| 1215930243 | ANDREW LLOYD VINCENT Individual |
Podiatrist, Foot & Ankle Surgery |
650 CEDAR CREEK GRADE STE 108 WINCHESTER, Virginia (VA) 540-667-3338 |
| 1225031263 | WILLIAM MICHAEL LYTH Individual |
Anesthesiology |
856 J CLYDE MORRIS BLVD NEWPORT NEWS, Virginia (VA) 757-594-4006 |
| 1134122161 | RODRIGO C HURTADO Individual |
Allergy & Immunology |
3450 N BEAUREGARD ST ALEXANDRIA, Virginia (VA) 703-820-7000 |
| 1265435283 | PETER EDWARD WILCOX Individual |
Optometrist |
2652 GEORGE WASHINGTON MEMORIAL HWY HAYES, Virginia (VA) 804-642-9800 |
| 1205839438 | SCOTT A TRAPP Individual |
Dentist, General Practice |
3832 HOUNDSTOOTH CT RICHMOND, Virginia (VA) 804-387-3603 |