WM GRAHAM GUERRIERO, MD P A FACS
NPI 1205016094
Urology in Houston, TX

NPI Status: Active since November 08, 2007

Contact Information

6560 FANNIN ST
STE 1554
HOUSTON, TX
ZIP 77030
Phone: (713) 796-1500
Fax: (713) 796-1838

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  • Organization
  • Urology

About WM GRAHAM GUERRIERO, MD P A FACS

This page provides the complete NPI Profile along with additional information for Wm Graham Guerriero, Md P A Facs, a provider established in Houston, Texas operating as a Urology. The healthcare provider is registered in the NPI registry with number 1205016094 assigned on November 2007. The practitioner's primary taxonomy code is 208800000X with license number D0897 (TX). The provider is registered as an organization and their NPI record was last updated 17 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. William G Guerriero M.d. (President)

NPI
1205016094
Provider Name
WM GRAHAM GUERRIERO, MD P A FACS
Entity Type
Organization
Location Address
6560 FANNIN ST STE 1554 HOUSTON, TX 77030
Location Phone
(713) 796-1500
Location Fax
(713) 796-1838
Mailing Address
6560 FANNIN ST STE 1554 HOUSTON, TX 77030
Mailing Phone
(713) 796-1500
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-08-2007
Last Update Date
11-05-2009
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Location Map

Specialty - Primary Taxonomy

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.

Classification

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
D0897
License State
TX
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. WILLIAM G GUERRIERO M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(713) 796-1500

Additional Identifiers

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
0A3103MEDICARE PIN (08)TX 
DP4178OTHER (01)MEDICARE RAILROAD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1205016094, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 0 → 0 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 0 + 5 + 0 + 1 + 1 + 2 + 0 + 1 + 8 + 24 = 46

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1205016094.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
6560 FANNIN ST, STE 1616
HOUSTON, TX 77030
Internal Medicine (Nephrology)
6560 FANNIN ST, SUITE 1532
HOUSTON, TX 77030
Internal Medicine (Gastroenterology)
6560 FANNIN ST, STE 2000
HOUSTON, TX 77030
Obstetrics & Gynecology
6560 FANNIN ST, STE 1840
HOUSTON, TX 77030
Orthopaedic Surgery
6560 FANNIN ST, SUITE 1016
HOUSTON, TX 77030
Specialist
6560 FANNIN ST, SUITE 2020
HOUSTON, TX 77030
Physician Assistant (Surgical)
6560 FANNIN ST, STE 1402
HOUSTON, TX 77030
Neurological Surgery
6560 FANNIN ST, 1200
HOUSTON, TX 77030
Neurological Surgery
6560 FANNIN ST, SUITE 1200
HOUSTON, TX 77030
Internal Medicine
6560 FANNIN ST, SUITE 1112
HOUSTON, TX 77030
Neurological Surgery
6560 FANNIN ST, SUITE 1200
HOUSTON, TX 77030
Neurological Surgery
6560 FANNIN ST, SUITE 1200
HOUSTON, TX 77030
Urology
6560 FANNIN ST, SUITE 2030
HOUSTON, TX 77030
Urology
6560 FANNIN ST, STE 1270
HOUSTON, TX 77030
Registered Nurse (Otorhinolaryngology & Head-Neck)
6560 FANNIN ST, STE 704
HOUSTON, TX 77030
Plastic Surgery
6560 FANNIN ST, #1760
HOUSTON, TX 77030
Internal Medicine (Nephrology)
6560 FANNIN ST, SUITE 1532
HOUSTON, TX 77030
Ophthalmology
6560 FANNIN ST, SUITE 2200
HOUSTON, TX 77030
Internal Medicine (Nephrology)
6560 FANNIN ST, SUITE 2204
HOUSTON, TX 77030
Specialist
6560 FANNIN ST, SUITE 1008
HOUSTON, TX 77030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205016094, enumerated as an "organization" on November 08, 2007.

The provider is located at 6560 FANNIN ST STE 1554 HOUSTON, TX 77030 and the phone number is (713) 796-1500.

Urology with taxonomy code 208800000X.

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.