Quality Rating: 100 out of 100 score
NPI Status: Active since February 6, 2006
4855 Encanto Creek Dr
San Antonio,
Post Code: 78247
Phone: (210) 545-7324
Fax: -
Mark Joseph Geslak Pa is a Physician Assistant, Medical in San Antonio, . Mark Joseph Geslak Pa practices all healthcare services and medical treatments related to Physician Assistant, Medical. The NPI Number for Mark Joseph Geslak Pa is 1104898758. The last update date is 2007-07-08.
Mark Joseph Geslak Pa's current location address is 4855 Encanto Creek Dr, San Antonio, . You can contact this provider via phone number (210) 545-7324 and fax number -. The mailing address for Mark Joseph Geslak Pa is 4855 Encanto Creek Dr, San Antonio, . 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 | 1 | 0 | 4 | 8 | 9 | 8 | 7 | 5 | 8 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 0 | 4 | 16 | 9 | 16 | 7 | 10 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 210416916710 | |||||||||
| 2 + 1 + 0 + 4 + 1 + 6 + 9 + 1 + 6 + 7 + 1 + 0 + 24 = 62 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 62 = 8 | 8 | ||||||||
The NPI number 1104898758 is valid because the calculated check digit 8 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 |
|---|---|---|---|
| 1013910058 | WESTHEIMER VISION ASSOCIATES, PC Organization |
Optometrist |
10260 WESTHEIMER RD HOUSTON, Texas (TX) 713-781-3517 |
| 1093718025 | YODORINCMISSIONPLAZAPHARMACY Organization |
Durable Medical Equipment & Medical Supplies |
906 S BRYAN RD MISSION, Texas (TX) 956-581-8833 |
| 1093718033 | TARRANT MEDICAL IMAGING, LLC Organization |
Physiological Laboratory |
1894 GEORGETOWN RD HUDSON, Ohio (OH) 330-653-3968 |
| 1063415008 | ARLINGTON MEDICAL IMAGING LLC Organization |
Physiological Laboratory |
3025 MATLOCK RD ARLINGTON, Texas (TX) 817-467-6099 |
| 1023011210 | MAUREEN STANEK POLAKOWSKI Individual |
Nurse Practitioner |
4835 LBJ FWY STE 900 DALLAS, Texas (TX) 844-941-3087 |