Quality Rating: 100 out of 100 score
NPI Status: Active since May 23, 2005
7900 Fannin St Ste 4000
Houston,
Post Code: 77054
Phone: (713) 512-7500
Fax: (713) 512-7676
John F Irwin M.d. is a Obstetrics & Gynecology in Houston, . John F Irwin M.d. practices all healthcare services and medical treatments related to Obstetrics & Gynecology. The NPI Number for John F Irwin M.d. is 1518960566. The last update date is 2019-07-09.
John F Irwin M.d.'s current location address is 7900 Fannin St Ste 4000, Houston, . You can contact this provider via phone number (713) 512-7500 and fax number (713) 512-7676. The mailing address for John F Irwin M.d. is 7900 Fannin St Ste 4000, Houston, . 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 provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207V00000X | Obstetrics & Gynecology Physician |
Obstetrics & Gynecology |
D9508 (Texas) |
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 |
|---|---|---|---|
| 1170920-03 | MEDICAID (05) | Texas (TX) | |
| 83050G | Other (non-Medicare) (01) | Texas (TX) | Blue Cross & Blue Shield |
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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 | 5 | 1 | 8 | 9 | 6 | 0 | 5 | 6 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 5 | 2 | 8 | 18 | 6 | 0 | 5 | 12 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. 25281860512 | |||||||||
| 2 + 5 + 2 + 8 + 1 + 8 + 6 + 0 + 5 + 1 + 2 + 24 = 64 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 64 = 6 | 6 | ||||||||
The NPI number 1518960566 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 |
|---|---|---|---|
| 1215930367 | LAURENT GRESSOT Individual |
Specialist |
17323 RED OAK DR HOUSTON, Texas (TX) 281-440-5006 |
| 1396748349 | GEORGE M GRUNERT Individual |
Obstetrics & Gynecology, Reproductive Endocrinology |
7900 FANNIN ST STE 4000 HOUSTON, Texas (TX) 713-512-7900 |
| 1205839230 | MERCY EMS, LLC MERCY EMS Organization |
Ambulance, Land Transport |
15401 ADDISON RD ADDISON, Texas (TX) 972-788-9401 |
| 1164425195 | MARIE DENISE JARBATH Individual |
Physician Assistant |
17448 HIGHWAY 3 WEBSTER, Texas (TX) 281-338-4443 |
| 1457354409 | LIN-LIN LIU Individual |
Specialist |
PO BOX 1320 HOUSTON, Texas (TX) 832-403-2219 |