NPPES file of Aug 9, 2026

Alexandra A. Sibley, MD

Psychiatry Physician · Stafford, TX

Alexandra A. Sibley, MD is a psychiatry physician with a practice address in Stafford, Texas, and NPI 1538507611, issued on Jun 11, 2013. Check the license (Texas T0626, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538507611
Name
Alexandra A. Sibley
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
T0626 TX
T-3431 MS
Self-reported in NPPES; status is on the state search
Practice location
12540 Sugardale Dr, Stafford, TX 77477
Phone
(601) 815-1368
Enumerated
Jun 11, 2013
Record last updated
Oct 25, 2022
Fax
(601) 984-5885
Medicare enrollment
Enrolled (PECOS I20220916001747); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12540 Sugardale Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wendy Ndionu Frazer, APRN- CNMAdvanced Practice Midwife1790194223

Verify Alexandra A. Sibley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T0626
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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2.8 times the Medicare Part D claims of the average psychiatry physician in 2024

2,762 Medicare Part D claims for 240 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Alexandra Sibley2,762
  2. Specialty average1,000

Most prescribed

  1. Sertraline Hcl263 claims
  2. Trazodone Hcl240 claims
  3. Buspirone Hcl205 claims
  4. Quetiapine Fumarate189 claims
  5. Escitalopram Oxalate166 claims
  6. Mirtazapine148 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Legacy Community Health Services, IncHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexandra A. Sibley among 3,318 psychiatry physician records in Texas

Alexandra A. Sibley, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 65% of them.

  • NPI issued2013 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2013 · median 2006 among the 1,481 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Texas

There are 3,318 psychiatry physician records in Texas.

The 8 psychiatry physician records with the nearest ZIP codes

  1. William Reading, M.D.Stafford, TX 774771205027562
  2. Victor Cardenas, M.D.Sugar Land, TX 774781598705519
  3. Penny Chow, MDSugar Land, TX 774781336270107
  4. Diana Collins, M.D.Sugar Land, TX 774781053613646
  5. Kimberly Cress, M.D.Sugar Land, TX 774781093841538
  6. Tracie Dejarnette-Holly, MDSugar Land, TX 774781699786681
  7. Sabeen Faris, M.DSugar Land, TX 774781952682650
  8. Noor Ferrell, D.O.Sugar Land, TX 774781255651535

Common questions

What is Alexandra A. Sibley, MD's NPI number?

Alexandra A. Sibley, MD's National Provider Identifier (NPI) is 1538507611, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra A. Sibley, MD located?

The NPPES record lists a practice address at 12540 Sugardale Dr, Stafford, TX, 77477. Phone: (601) 815-1368. Providers update this record themselves, so call before visiting.

How can I verify Alexandra A. Sibley, MD's license?

NPPES lists Texas license number T0626, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexandra A. Sibley, MD prescribe under Medicare Part D?

In 2024, Alexandra A. Sibley, MD had 2,762 Medicare Part D claims for 240 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.