C. KEITH GRISHAM, M.D. , P.A.
NPI 1871661777
Obstetrics & Gynecology - Obstetrics in Plano, TX

NPI Status: Active since December 01, 2006

Contact Information

3108 MIDWAY RD
SUITE 200
PLANO, TX
ZIP 75093
Phone: (972) 971-1515
Fax: (972) 781-1313

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  • Organization
  • Obstetrics & Gynecology
  • Obstetrics

About C. KEITH GRISHAM, M.D. , P.A.

This page provides the complete NPI Profile along with additional information for C. Keith Grisham, M.d. , P.a., a women's health care provider established in Plano, Texas operating as a Obstetrics & Gynecology, focusing in obstetrics . The healthcare provider is registered in the NPI registry with number 1871661777 assigned on December 2006. The practitioner's primary taxonomy code is 207VX0000X with license number K9791 (TX). The provider is registered as an organization and their NPI record was last updated one year 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 C Keith Grisham M.d. (Physician Owner)

NPI
1871661777
Provider Name
C. KEITH GRISHAM, M.D. , P.A.
Entity Type
Organization
Location Address
3108 MIDWAY RD SUITE 200 PLANO, TX 75093
Location Phone
(972) 971-1515
Location Fax
(972) 781-1313
Mailing Address
3108 MIDWAY RD SUITE 200 PLANO, TX 75093
Mailing Phone
(972) 971-1515
Mailing Fax
(972) 781-1313
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-01-2006
Last Update Date
09-11-2025
Code Navigator

Women's health care providers like C. Keith Grisham, M.d. , P.a. 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 Obstetrics

Taxonomy Code
207VX0000X
Type
Allopathic & Osteopathic Physicians
License No.
K9791
License State
TX
Taxonomy Description
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee

Secondary Taxonomies

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)
1207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

K9791 (TX)
2207VG0400XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology
Gynecology

K9791 (TX)

Group Taxonomy 193400000X MULTIPLE 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.

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

C KEITH GRISHAM M.D.

Authorized Official Title
PHYSICIAN OWNER
Authorized Official Phone
(972) 781-1515

Reviews for C. KEITH GRISHAM, M.D. , P.A.

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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 1871661777, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 7 → 14 → 5 6 → 12 → 3 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 2 + 6 + 2 + 7 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1871661777.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
3108 MIDWAY RD, SUITE 205
PLANO, TX 75093
Family Medicine
3108 MIDWAY RD, SUITE 105
PLANO, TX 75093
Obstetrics & Gynecology
3108 MIDWAY RD, SUITE 100
PLANO, TX 75093
Registered Nurse (Registered Nurse First Assistant)
3108 MIDWAY RD, STE 104
PLANO, TX 75093
Obstetrics & Gynecology (Obstetrics)
3108 MIDWAY RD, SUITE #200
PLANO, TX 75093
Orthopaedic Surgery
3108 MIDWAY RD, SUITE 104
PLANO, TX 75093
Obstetrics & Gynecology
3108 MIDWAY RD, SUITE 202
PLANO, TX 75093
Ophthalmology
3108 MIDWAY RD, SUITE 106
PLANO, TX 75093
Ophthalmology
3108 MIDWAY RD, SUITE106
PLANO, TX 75093
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
3108 MIDWAY RD, SUITE 210 OR 200
PLANO, TX 75093
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
3108 MIDWAY RD, SUITE 210 OR 200
PLANO, TX 75093
Obstetrics & Gynecology
3108 MIDWAY RD, SUITE 100
PLANO, TX 75093
Obstetrics & Gynecology
3108 MIDWAY RD, SUITE 100
PLANO, TX 75093
Obstetrics & Gynecology (Obstetrics)
3108 MIDWAY RD, SUITE 201
PLANO, TX 75093
Plastic Surgery
3108 MIDWAY RD, STE 103
PLANO, TX 75093
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
3108 MIDWAY RD, SUITE 104
PLANO, TX 75093
Specialist
3108 MIDWAY RD, SUITE 205
PLANO, TX 75093
Family Medicine
3108 MIDWAY RD, SUITE 105
PLANO, TX 75093
Plastic Surgery (Surgery of the Hand)
3108 MIDWAY RD, STE 103
PLANO, TX 75093

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871661777, enumerated as an "organization" on December 01, 2006.

The provider is located at 3108 MIDWAY RD SUITE 200 PLANO, TX 75093 and the phone number is (972) 971-1515.

Obstetrics & Gynecology with taxonomy code 207VX0000X and a focus in Obstetrics.