STEPHEN E. GUILLIAMS, MD PA
NPI 1003102351
Obstetrics & Gynecology in Houston, TX

NPI Status: Active since June 24, 2011

Contact Information

12121 RICHMOND AVE
SUITE 203
HOUSTON, TX
ZIP 77082
Phone: (281) 558-5855
Fax: (281) 558-5828

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  • Organization
  • Obstetrics & Gynecology

About STEPHEN E. GUILLIAMS, MD PA

This page provides the complete NPI Profile along with additional information for Stephen E. Guilliams, Md Pa, a women's health care provider established in Houston, Texas operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1003102351 assigned on June 2011. The practitioner's primary taxonomy code is 207V00000X with license number E2591 (TX). The provider is registered as an organization and their NPI record was last updated 15 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. Stephen E. Guilliams M.d. (Physician)

NPI
1003102351
Provider Name
STEPHEN E. GUILLIAMS, MD PA
Entity Type
Organization
Location Address
12121 RICHMOND AVE SUITE 203 HOUSTON, TX 77082
Location Phone
(281) 558-5855
Location Fax
(281) 558-5828
Mailing Address
12121 RICHMOND AVE SUITE 203 HOUSTON, TX 77082
Mailing Phone
(281) 558-5855
Mailing Fax
(281) 558-5828
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-24-2011
Last Update Date
06-24-2011
Code Navigator

Women's health care providers like Stephen E. Guilliams, Md Pa treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
E2591
License State
TX
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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.

*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. STEPHEN E. GUILLIAMS M.D.

Authorized Official Title
PHYSICIAN
Authorized Official Phone
(281) 558-5855

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
B23180MEDICARE UPIN (02)TX 
098418901MEDICAID (05)TX 
00FT83MEDICARE PIN (08)TX 

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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 1003102351, we treat the final digit (1) 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 39. The final step is to find the difference between that total and the next multiple of ten (40 - 39 = 1).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 1 → 2 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 2 + 0 + 4 + 3 + 1 + 0 + 24 = 39

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

The next multiple of ten after 39 is 40. The difference is the calculated check digit.

40 - 39 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1003102351.

Other Providers at the Same Location


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

Internal Medicine (Gastroenterology)
12121 RICHMOND AVE, #424
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, SUITE 321
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, STE 121
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, STE 121
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, STE 121
HOUSTON, TX 77082
Specialist
12121 RICHMOND AVE, #100
HOUSTON, TX 77082
Internal Medicine (Cardiovascular Disease)
12121 RICHMOND AVE, STE 309
HOUSTON, TX 77082
Podiatrist (Foot & Ankle Surgery)
12121 RICHMOND AVE, STE 415
HOUSTON, TX 77082
Internal Medicine
12121 RICHMOND AVE, SUITE 413
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, STE 325
HOUSTON, TX 77082
Internal Medicine
12121 RICHMOND AVE, SUITE 110
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, STE. 301
HOUSTON, TX 77082
Family Medicine
12121 RICHMOND AVE, SUITE 110
HOUSTON, TX 77082
Obstetrics & Gynecology
12121 RICHMOND AVE, SUITE 317
HOUGTON, TX 77082
Nurse Practitioner (Family)
12121 RICHMOND AVE, STE. 212
HOUSTON, TX 77082
Otolaryngology
12121 RICHMOND AVE, SUITE #304
HOUSTON, TX 77082
Nurse Practitioner (Gerontology)
12121 RICHMOND AVE, SUITE 212
HOUSTON, TX 77082
Physician Assistant (Medical)
12121 RICHMOND AVE, SUITE 211
HOUSTON, TX 77082
Dentist (General Practice)
12121 RICHMOND AVE, SUITE 314
HOUSTON, TX 77082
Internal Medicine
12121 RICHMOND AVE, SUITE 106
HOUSTON, TX 77082

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003102351, enumerated as an "organization" on June 24, 2011.

The provider is located at 12121 RICHMOND AVE SUITE 203 HOUSTON, TX 77082 and the phone number is (281) 558-5855.

Obstetrics & Gynecology with taxonomy code 207V00000X.

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