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DR. CHRISTINA WILLIAMS M.D.
NPI 1396159679
Psychiatry & Neurology - Psychiatry in Houston, TX

Active since June 16, 2014PECOS EnrolledAccepts Medicare Assignment
5901 LONG DR, HOUSTON, TX 77087(713) 970-7000 Get Directions Write a Review

NPPES record last updated: November 16, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 16, 2023, Jul 23, 2019, Apr 19, 2019 and 2 more (5 updates tracked since 2018).

About Dr. Christina Williams M.d. NPPES

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

DR. CHRISTINA WILLIAMS M.D. (NPI 1396159679) is an individual psychiatry provider in Houston, Texas, licensed in Texas (R2920) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Medical Branch At Galveston (2014).

NPPES Registry Identity

NPI1396159679
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CHRISTINA WILLIAMSCredential: M.D.
Location Address5901 LONG DRHouston, TX 77087-1003
Mailing Address9212 Fry Rd Ste 105Cypress, TX 77433-5487 · (281) 908-0022
Phone(713) 970-7000
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2014
Enumeration DateJune 16, 2014
Last NPPES UpdateNovember 16, 20235 updates tracked since enumeration
NPPES CertifiedNovember 16, 2023
✔ NPI 1396159679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in TX · R2920
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedSpecialistTaxonomy 174400000X · License BP10050691 (TX)
5901 LONG DR, Houston, TX 77087
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1301 University BlvdGalveston, TX 77555-0193 · Phone (409) 772-0770 · Fax (409) 747-4010
Location 22950 North Loop W Ste 500Houston, TX 77092 · Phone (281) 979-2242

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, UnitedHealthcare.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. Christina Williams M.d. 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 ID648523282
PECOS Enrollment IDI20241212004063
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 Reassignments

6

Medicare enrollment records show Christina Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Gulf Coast Center
18 mi
Psychiatry
4444 W MAIN ST
League City, TX 77573
  • Reassigned Medicare billing, Texas enrollment
  • 115 clinicians in this Medicare group
NPI 1245285899 (409) 763-2373
Tri-County Behavioral Healthcare
43 mi
Multi-Specialty
233 SGT ED HOLCOMB BLVD S
Conroe, TX 77304
  • Reassigned Medicare billing, Texas enrollment
  • 84 clinicians in this Medicare group
NPI 1851333074 (936) 521-6100
Burke Center
118 mi
Psychiatry
2001 S MEDFORD DR
Lufkin, TX 75901
  • Reassigned Medicare billing, Texas enrollment
  • 150 clinicians in this Medicare group
NPI 1396792420 (936) 633-5650
Bluebonnet Trails Community Mhmr Center
151 mi
Mental Health (Including Community Mental Health Center)
1009 N GEORGETOWN ST
Round Rock, TX 78664
  • Reassigned Medicare billing, Texas enrollment
  • 216 clinicians in this Medicare group
NPI 1730135864 (512) 255-1720
Camino Real Community Mhmr Center
212 mi
Case Management
19965 FM 3175
Lytle, TX 78052
  • Reassigned Medicare billing, Texas enrollment
  • 152 clinicians in this Medicare group
NPI 1154411262 (210) 357-0300
County Of Sonoma
1,660 mi
Mental Health (Including Community Mental Health Center)
19080 LOMITA AVE
Sonoma, CA 95476
  • Reassigned Medicare billing, California enrollment
  • 64 clinicians in this Medicare group
NPI 1598979031 (707) 565-4950

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77087 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
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 20

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

MR. BENJAMIN ROSS LEWIS LPC
Counselor (Mental Health)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-4300
HEATHER ROZEA COOPER PHARMD
Pharmacist (Psychiatric)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-7000
MATTHEW F TRITICO
Counselor (Professional)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-4300
JACQUELIN SHAHENE LEWIS PULLIAM
Counselor (Mental Health)
5901 LONG DR
HOUSTON, TX 77087
Harris County (832) 962-1868
MS. MARY LOCKE LCSW
Social Worker (Clinical)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-4300
ASHLEY J. CHOWDHURY LPC
Counselor (Professional)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-7000
HEATHER LEIGH BARR LCSW
Social Worker (Clinical)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-7000
KAYLA NICOLE LUEDKE LCSW
Social Worker (Clinical)
5901 LONG DR
HOUSTON, TX 77087
Harris County (713) 970-7000

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 Christina Williams's NPI number?

The NPI number for Christina Williams is 1396159679. It was assigned to this individual provider in the NPPES registry on June 16, 2014.

Where is Christina Williams located?

Christina Williams practices at 5901 Long Dr, Houston, TX 77087. The listed phone number is (713) 970-7000.

What is Christina Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Christina Williams enrolled in Medicare?

Yes. Christina Williams 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 Christina Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Williams reassigns Medicare benefits to 6 organizations: The Gulf Coast Center (League City, TX), Tri-County Behavioral Healthcare (Conroe, TX), Burke Center (Lufkin, TX), Bluebonnet Trails Community Mhmr Center (Round Rock, TX), Camino Real Community Mhmr Center (Lytle, TX) and 1 more organization, listed in the Medicare section above. 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 Christina Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christina Williams accept?

Health plans from Oscar Insurance Company and UnitedHealthcare list Christina Williams 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 Christina Williams was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.