GREGG L. SMALL M.D.
NPI 1356384358
Obstetrics & Gynecology - Gynecology in Dallas, TX
About Gregg L. Small M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGG L. SMALL M.D. (NPI 1356384358) is an individual gynecology provider in Dallas, Texas, licensed in Texas (G5621) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through April 13, 2027, and is affiliated with Texas Health Presbyterian Hospital Dallas.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gregg L. Small M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gregg Small reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
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) 45D1039466
Gregg L Small MD PA · Dallas, TXAreas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Texas Health Presbyterian Hospital Dallas
Acute Care Hospitals · Dallas, TXTexas Health Presbyterian Hospital Plano
Acute Care Hospitals · Plano, TXNorth Central Surgical Center LLP
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75231
DALLAS, TX 75231
DALLAS, TX 75231
DALLAS, TX 75231
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 Gregg Small's NPI number?
The NPI number for Gregg Small is 1356384358. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Gregg Small located?
Gregg Small practices at 9301 N Central Expy Suite 590, Dallas, TX 75231. The listed phone number is (214) 265-6001.
What is Gregg Small's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Gregg Small enrolled in Medicare?
Yes. Gregg Small is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gregg Small's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Small reassigns Medicare benefits to Gregg L. Small, M.D. P.A. (Dallas, TX). The 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 Gregg Small's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Gregg Small hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D1039466) is associated with this NPI, valid through April 13, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Gregg Small accept?
Health plans from Antidote Health of TX and UnitedHealthcare list Gregg Small 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.
Is Gregg Small affiliated with any hospitals?
According to CMS data, Gregg Small is affiliated with Texas Health Presbyterian Hospital Dallas, Texas Health Presbyterian Hospital Plano and North Central Surgical Center LLP.
When was this NPI record last updated?
The NPPES record for Gregg Small was last updated on August 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.