Quality Rating: 100 out of 100 score
NPI Status: Active since August 16, 2005
2010 E 1st St
Santa Ana,
Post Code: 92705
Phone: (714) 542-6606
Fax: (714) 542-6652
William F Davis Md is a Specialist in Santa Ana, . William F Davis Md practices all healthcare services and medical treatments related to Specialist. The NPI Number for William F Davis Md is 1013909225. The last update date is 2009-01-15.
William F Davis Md's current location address is 2010 E 1st St, Santa Ana, . You can contact this provider via phone number (714) 542-6606 and fax number (714) 542-6652. The mailing address for William F Davis Md is 2010 E 1st St, Santa Ana, . 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 | 0 | 1 | 3 | 9 | 0 | 9 | 2 | 2 | 5 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 0 | 2 | 3 | 18 | 0 | 18 | 2 | 4 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 20231801824 | |||||||||
| 2 + 0 + 2 + 3 + 1 + 8 + 0 + 1 + 8 + 2 + 4 + 24 = 55 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 55 = 5 | 5 | ||||||||
The NPI number 1013909225 is valid because the calculated check digit 5 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 |
|---|---|---|---|
| 1013908979 | JAMES DAMIAN KELLY Individual |
Orthopaedic Surgery |
3838 CALIFORNIA ST RM 715 SAN FRANCISCO, California (CA) 415-668-8010 |
| 1013908821 | DARYL W. WESTERBACK Individual |
Psychiatry & Neurology, Psychiatry |
509 MARIN ST THOUSAND OAKS, California (CA) 805-497-1618 |
| 1013908458 | MID WILSHIRE PHARMACY Organization |
Pharmacy |
6317 WILSHIRE BLVD LOS ANGELES, California (CA) 323-653-6080 |
| 1013908433 | EVAN TAYLOR WYTHE Individual |
Emergency Medicine |
4301 NORTHSTAR WAY MODESTO, California (CA) 209-342-2300 |
| 1013908425 | BAY AREA THERAPEUTIC RADIOLOGY & ONCOLOGY ASSOC MED GRP INC Organization |
Radiology, Radiation Oncology |
4301 NORTHSTAR WAY MODESTO, California (CA) 209-342-2300 |