1. Home
  2. Directory
  3. Texas
  4. Dallas
  5. Obstetrics Gynecology
  6. NPI Profile

DALLAS WOMEN'S HEALTHCARE SPECIALISTS, P.L.L.C.
NPI 1659560829
Obstetrics & Gynecology in Dallas, TX

Active since October 23, 2007CLIA 45D0865061 · Microscopy
3611 SWISS AVE, DALLAS, TX 75204(214) 879-8585(214) 879-8583 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dallas Women's Healthcare Specialists, P.l.l.c. NPPES

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

DALLAS WOMEN'S HEALTHCARE SPECIALISTS, P.L.L.C. (NPI 1659560829) is a healthcare organization registered as an obstetrics & gynecology in Dallas, Texas and active in the NPI registry since October 2007. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Alejandro R Singer, Member, as its authorized official.

NPPES Registry Identity

NPI1659560829
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameDALLAS WOMEN'S HEALTHCARE SPECIALISTS, P.L.L.C.
Location Address3611 SWISS AVEDallas, TX 75204-6245
Mailing Address3611 Swiss AveDallas, TX 75204-6245 · (214) 879-8585 · Fax (214) 879-8583
Phone(214) 879-8585
Fax(214) 879-8583
Organization SubpartNo
Authorized OfficialAlejandro R SingerMember · (214) 879-8585
Enumeration DateOctober 23, 2007
Last NPPES UpdateNovember 13, 2024
NPPES CertifiedNovember 13, 2024
✔ NPI 1659560829 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.
3611 SWISS AVE, Dallas, TX 75204
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dallas Women's Healthcare Specialists, P.l.l.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Dallas Women's Healthcare Specialists, P.L.L.C., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Lindsey Haley, M.D.
Obstetrics/Gynecology
NPI 1316263312
3611 SWISS AVE
Dallas, TX 75204
(214) 879-8585
✔ PECOSSame address
Alejandro Singer, M.D.
Obstetrics/Gynecology
NPI 1982656997
3611 SWISS AVE
Dallas, TX 75204
(214) 879-8585
✔ PECOS✔ Accepts MedicareSame address
Brian Welsh, M.D.
Obstetrics/Gynecology
NPI 1891088407
4224 SWISS AVE
Dallas, TX 75204
(214) 821-9938
✔ PECOS✔ Accepts Medicare0.4 mi
Kimberlea Roe, MD
Obstetrics/Gynecology
NPI 1306890694
8160 WALNUT HILL LN STE 304
Dallas, TX 75231
(214) 369-2895
✔ PECOS6.1 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 45D0865061

Dallas Womens Healthcare Specialists · Dallas, TX
Active · expires Aug 31, 2028
CLIA Number45D0865061
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorAlejandro R. Singer
Laboratory Phone(214) 879-8585
Laboratory LocationDallas Womens Healthcare Specialists3611 Swiss Avenue, Dallas, TX 75204
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Dallas Women's Healthcare Specialists, P.L.L.C.'s NPI number?

The NPI number for Dallas Women's Healthcare Specialists, P.L.L.C. is 1659560829. It was assigned to this organization in the NPPES registry on October 23, 2007.

Where is Dallas Women's Healthcare Specialists, P.L.L.C. located?

Dallas Women's Healthcare Specialists, P.L.L.C. is located at 3611 Swiss Ave, Dallas, TX 75204. The listed phone number is (214) 879-8585.

What is Dallas Women's Healthcare Specialists, P.L.L.C.'s specialty?

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

Is Dallas Women's Healthcare Specialists, P.L.L.C. enrolled in Medicare?

Yes. Dallas Women's Healthcare Specialists, P.L.L.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dallas Women's Healthcare Specialists, P.L.L.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Dallas Women's Healthcare Specialists, P.L.L.C.. 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. Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Dallas Women's Healthcare Specialists, P.L.L.C. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0865061) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Dallas Women's Healthcare Specialists, P.L.L.C. was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.