DR. PRESTON C ALEXANDER MD
NPI 1649272394
Obstetrics & Gynecology in Frisco, TX
About Dr. Preston C Alexander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PRESTON C ALEXANDER MD (NPI 1649272394) is an individual obstetrics & gynecology provider in Frisco, Texas, licensed in Texas (G4779) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Methodist Richardson Medical Center, and maintains a secondary practice location in Frisco.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Preston C Alexander Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Preston Alexander reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75230
- Reassigned Medicare billing, Texas enrollment
- 486 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 84 clinicians in this Medicare group
Corpus Christi, TX 78411
- Reassigned Medicare billing, Texas enrollment
- 97 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Richardson Medical Center
Acute Care Hospitals · Richardson, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75035 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.
FRISCO, TX 75035
FRISCO, TX 75035
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 Preston Alexander's NPI number?
The NPI number for Preston Alexander is 1649272394. It was assigned to this individual provider in the NPPES registry on August 12, 2005.
Where is Preston Alexander located?
Preston Alexander practices at 4401 Coit Rd Suite # 205, Frisco, TX 75035. The listed phone number is (972) 377-6553.
What is Preston Alexander's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Preston Alexander enrolled in Medicare?
Yes. Preston Alexander is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Preston Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Preston Alexander reassigns Medicare benefits to 3 organizations: Questcare Hospitalists PLLC (Dallas, TX), Medical City Ob-Gyn, PLLC (Dallas, TX) and Hca Houston Ob Hospitalist, PLLC (Corpus Christi, TX). Each 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 Preston Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Preston Alexander accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare, Molina Healthcare and Oscar Insurance Company and 1 other insurer list Preston Alexander 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 Preston Alexander affiliated with any hospitals?
According to CMS data, Preston Alexander is affiliated with Methodist Richardson Medical Center.
When was this NPI record last updated?
The NPPES record for Preston Alexander was last updated on January 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Preston C Alexander, MD · NPI 1649272394
Obstetrics & Gynecology physician in Frisco, Texas. Individual provider, active in the CMS NPPES registry since August 12, 2005.
## Identity
- **NPI:** 1649272394 (Entity type: Individual)
- **Enumerated:** August 12, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** G4779 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4401 COIT RD, SUITE # 205, Frisco, TX 75035-0500
- **Phone:** (972) 377-6553 · **Fax:** (972) 377-6453
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Questcare Hospitalists PLLC (NPI 1265441620, Dallas, TX); Medical City Ob-Gyn, PLLC (NPI 1295275071, Dallas, TX); Hca Houston Ob Hospitalist, PLLC (NPI 1144081431, Corpus Christi, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 1983
## Record status
- **NPPES last updated:** January 4, 2022
- **Other identifiers:** Medicaid 117299103 (TX); Medicaid 117299104 (TX); Medicaid 117299105 (TX); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1649272394) · Data from the CMS NPPES public registry.