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DR. ALEXANDRA CORRINE CHRISTIE D.O.
NPI 1700237864
Obstetrics & Gynecology in Houston, TX

Active since June 29, 2016PECOS EnrolledAccepts Medicare Assignment
7789 SOUTHWEST FWY STE 400, HOUSTON, TX 77074(832) 649-4273(832) 767-6151 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 15, 2023, May 16, 2021, Aug 31, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Alexandra Corrine Christie D.o. NPPES

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

DR. ALEXANDRA CORRINE CHRISTIE D.O. (NPI 1700237864) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (S7408) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2016).

NPPES Registry Identity

NPI1700237864
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ALEXANDRA CORRINE CHRISTIECredential: D.O.
Location Address7789 SOUTHWEST FWY STE 400Houston, TX 77074-1836
Mailing Address7789 Southwest Fwy Ste 400Houston, TX 77074-1836 · (832) 649-4273 · Fax (832) 767-6151
Phone(832) 649-4273
Fax(832) 767-6151
Sole ProprietorYes
Medical School CMSUniversity Of North Texas Hsc, College Of Osteopathic MedGraduated 2016
Enumeration DateJune 29, 2016
Last NPPES UpdateJanuary 23, 20254 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2025
✔ NPI 1700237864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · S7408
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.
7789 SOUTHWEST FWY STE 400, Houston, TX 77074
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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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. Alexandra Corrine Christie D.o. 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.

PECOS PAC ID6901224831
PECOS Enrollment IDI20200909002601
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexandra Christie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southwest Womancare Obgyn PLLC
Same address
Obstetrics & Gynecology
7789 SOUTHWEST FWY, SUITE 400
Houston, TX 77074
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1346784485 (832) 649-4273

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CINDY-THANHHOA HUYNH BUI M.D
Obstetrics & Gynecology
7789 SOUTHWEST FWY STE 400
HOUSTON, TX 77074
Harris County (832) 649-4273

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 Alexandra Christie's NPI number?

The NPI number for Alexandra Christie is 1700237864. It was assigned to this individual provider in the NPPES registry on June 29, 2016.

Where is Alexandra Christie located?

Alexandra Christie practices at 7789 Southwest Fwy Ste 400, Houston, TX 77074. The listed phone number is (832) 649-4273.

What is Alexandra Christie's specialty?

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

Is Alexandra Christie enrolled in Medicare?

Yes. Alexandra Christie 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 organization bills Medicare for Alexandra Christie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Christie reassigns Medicare benefits to Southwest Womancare Obgyn PLLC (Houston, 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 Alexandra Christie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Christie accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Alexandra Christie 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 Alexandra Christie affiliated with any hospitals?

According to CMS data, Alexandra Christie is affiliated with Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for Alexandra Christie was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.