Quality Rating: 100 out of 100 score
NPI Status: Active since February 10, 2006
2024 Georgia Avenue, Nw
Washington,
Post Code: 20001
Phone: (202) 865-4403
Fax: (202) 865-3212
Robert Henry Williams Md is a Family Medicine, Geriatric Medicine in Washington, . Robert Henry Williams Md practices all healthcare services and medical treatments related to Family Medicine, Geriatric Medicine. The NPI Number for Robert Henry Williams Md is 1699748483. The last update date is 2010-12-01.
Robert Henry Williams Md's current location address is 2024 Georgia Avenue, Nw, Washington, . You can contact this provider via phone number (202) 865-4403 and fax number (202) 865-3212. The mailing address for Robert Henry Williams Md is 2024 Georgia Avenue, Nw, Washington, . 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 |
|---|---|---|---|
| 011707100 | MEDICAID (05) | District Of Columbia (DC) | |
| 9694 | Other (non-Medicare) (01) | District Of Columbia (DC) | Carefirst BCBS |
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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 | 4 | 8 | 4 | 8 | 3 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 18 | 9 | 14 | 4 | 16 | 4 | 16 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 2618914416416 | |||||||||
| 2 + 6 + 1 + 8 + 9 + 1 + 4 + 4 + 1 + 6 + 4 + 1 + 6 + 24 = 77 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 80 - 77 = 3 | 3 | ||||||||
The NPI number 1699748483 is valid because the calculated check digit 3 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 |
|---|---|---|---|
| 1265435291 | HOWARD ANTHONY GILMER Individual |
Physical Medicine & Rehabilitation |
5933 SERENITY LN DERWOOD, Maryland (MD) 301-294-6852 |
| 1386647386 | ANDREW MARC LASKY Individual |
Dentist |
1325 18TH ST NW WASHINGTON, District Of Columbia (DC) 202-463-6148 |
| 1275536278 | ROBERT NEIL SMYTH Individual |
- |
4848 ROCKWOOD PKWY NW WASHINGTON, District Of Columbia (DC) 202-966-4543 |
| 1346243417 | DARCY JEAN HANSEN Individual |
Internal Medicine |
1145 19TH ST NW WASHINGTON, District Of Columbia (DC) 202-223-6199 |
| 1487657300 | DIANE CAROLE SEIBERT Individual |
Nurse Practitioner, Women's Health |
4704 BLAGDEN TER NW WASHINGTON, District Of Columbia (DC) 202-722-0826 |