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CORNERSTONE OB-GYN PLLC
NPI 1881323855
Obstetrics & Gynecology in Lubbock, TX

Active since June 06, 2022
3715 21ST ST, LUBBOCK, TX 79410(806) 319-5211(806) 416-7977 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 29, 2026, Jun 6, 2022 (2 updates tracked since 2022).

About Cornerstone Ob-gyn Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE OB-GYN PLLC (NPI 1881323855) is a healthcare organization registered as an obstetrics & gynecology in Lubbock, Texas and active in the NPI registry since June 2022. The organization lists Kendra Franklin Bookout, Physician/partner, as its authorized official.

NPPES Registry Identity

NPI1881323855
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameCORNERSTONE OB-GYN PLLC
Location Address3715 21ST STLubbock, TX 79410-1219
Mailing Address3715 21st StLubbock, TX 79410-1219 · (806) 319-5211 · Fax (806) 416-7977
Phone(806) 319-5211
Fax(806) 416-7977
Organization SubpartNo
Authorized OfficialKendra Franklin BookoutPhysician/partner · (979) 575-7945
Enumeration DateJune 6, 2022
Last NPPES UpdateMay 29, 20262 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1881323855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
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.
3715 21ST ST, Lubbock, TX 79410
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cornerstone Ob-gyn Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Cornerstone Ob-Gyn PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Kendra Bookout, M.D.
Obstetrics/Gynecology
NPI 1629338595
3715 21ST ST
Lubbock, TX 79410
(806) 319-5211
✔ PECOS✔ Accepts MedicareSame address
Madeleine Cain, CNM, FNP-C
Nurse Practitioner
NPI 1952050502
2102 OXFORD AVE STE A
Lubbock, TX 79410
(806) 725-6963
✔ PECOS✔ Accepts Medicare0.3 mi
Alita Loveless, M.D.
Obstetrics/Gynecology
NPI 1316138985
4102 24TH ST
Lubbock, TX 79410
(806) 725-7170
✔ PECOS✔ Accepts Medicare0.4 mi
Bridget Winn, NP-C
Nurse Practitioner
NPI 1912485590
4102 24TH ST STE 101
Lubbock, TX 79410
(806) 725-7878
✔ PECOS✔ Accepts Medicare0.4 mi
Lauren Schaub, M.D.
Obstetrics/Gynecology
NPI 1982998365
3410 KNOXVILLE AVE
Lubbock, TX 79413
(806) 319-5211
✔ PECOS✔ Accepts Medicare0.9 mi
Melissa Winn, MD
Obstetrics/Gynecology
NPI 1053341495
2911 MEDICAL ARTS ST BUILDING 3
Austin, TX 78705
(512) 391-0175
✔ PECOS✔ Accepts Medicare334 mi
Megan Brown, M.D.
Obstetrics/Gynecology
NPI 1730522558
2411 HOLMES ST
Kansas City, MO 64108
(816) 235-6627
✔ PECOS557 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cornerstone Ob-Gyn PLLC's NPI number?

The NPI number for Cornerstone Ob-Gyn PLLC is 1881323855. It was assigned to this organization in the NPPES registry on June 6, 2022.

Where is Cornerstone Ob-Gyn PLLC located?

Cornerstone Ob-Gyn PLLC is located at 3715 21st St, Lubbock, TX 79410. The listed phone number is (806) 319-5211.

What is Cornerstone Ob-Gyn PLLC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Cornerstone Ob-Gyn PLLC enrolled in Medicare?

Yes. Cornerstone Ob-Gyn PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cornerstone Ob-Gyn PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Cornerstone Ob-Gyn PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Obstetrics/Gynecology (5) and Nurse Practitioner (2). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cornerstone Ob-Gyn PLLC accept?

Health plans from WellPoint list Cornerstone Ob-Gyn PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cornerstone Ob-Gyn PLLC was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.