NPPES file of Aug 9, 2026

Gregory S. Alexander, CRNA

Certified Registered Nurse Anesthetist · San Marcos, TX

Gregory S. Alexander, CRNA is a certified registered nurse anesthetist with a practice address in San Marcos, Texas, and NPI 1396770590, issued on Jul 12, 2006. Check the license with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1396770590
Name
Gregory S. Alexander
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
A810161 MS
Self-reported in NPPES; status is on the state search
Practice location
1305 Wonder World Dr, San Marcos, TX 78666
Phone
(512) 353-8161
Enumerated
Jul 12, 2006
Record last updated
Sep 4, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(512) 353-8255
Medicaid IDs
04624594 MS
200648804 TX
Medicare enrollment
Enrolled (PECOS I20090312000643); accepts Medicare assignment
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 1305 Wonder World Dr

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

  1. John Cluley, M.D.Gastroenterology Physician1790915858
  2. Edward Coles, M.D.Gastroenterology Physician1912991621
  3. William Deschner, M.D.Gastroenterology Physician1023003563
  4. Donna Dolan, MDInternal Medicine Physician1831134824
  5. Carol Garner, MSN,CS,FNPFamily Nurse Practitioner1295734036
  6. Joelle GironNurse Practitioner1548958093

Verify Gregory S. Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck 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
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Emergenchealth PLLCLuling, TX

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

12 certified registered nurse anesthetist records list a practice address in San Marcos

They are 12 of the 1,003 NPPES records with a practice address in San Marcos, and 6,097 certified registered nurse anesthetist records in Texas.

All 12 in San Marcos → All 6,097 in Texas → Every provider in San Marcos →

Other certified registered nurse anesthetist records in Texas

  1. Kristine Joy Abalos, CRNAHouston, TX1912550260
  2. Ligaya Abangan, CRNAHouston, TX1922088384
  3. Nemuel Abasta, CRNAGalveston, TX1316339690
  4. Eileen Abbasi, CRNADallas, TX1588918981
  5. Guy Abbey, CRNALa Grange, TX1235249400
  6. Amelia Abbott, CRNAHouston, TX1225142995
  7. Cordero Abdullah, CRNAGrandview, TX1477339125
  8. Tanja Abercrombie, CRNAAustin, TX1720047020
  9. Abigail Ables, CRNACorpus Christi, TX1942124748
  10. Hollye Abner, CRNAHarlingen, TX1457990202

Common questions

What is Gregory S. Alexander, CRNA's NPI number?

Gregory S. Alexander, CRNA's National Provider Identifier (NPI) is 1396770590, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Alexander, CRNA located?

The NPPES record lists a practice address at 1305 Wonder World Dr, San Marcos, TX, 78666. Phone: (512) 353-8161. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Alexander, CRNA's license?

Search the Texas board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.