NPPES file of Aug 9, 2026

Justin Roger Grimes, CRNA

Certified Registered Nurse Anesthetist · San Marcos, TX

Justin Roger Grimes, CRNA is a certified registered nurse anesthetist with a practice address in San Marcos, Texas, and NPI 1639592967, issued on Jan 22, 2014. Check the license (Texas 744531, as entered in NPPES) 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
1639592967
Name
Justin Roger Grimes
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
744531 TX
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
Jan 22, 2014
Record last updated
Oct 28, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(512) 353-8255
Medicare enrollment
Enrolled (PECOS I20140506000160); 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.
Download card Updates feed

8 nearest certified registered nurse anesthetist records → All 6,097 in Texas → Look up another NPI →

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. Gregory Alexander, CRNACertified Registered Nurse Anesthetist1396770590
  2. John Cluley, M.D.Gastroenterology Physician1790915858
  3. Edward Coles, M.D.Gastroenterology Physician1912991621
  4. William Deschner, M.D.Gastroenterology Physician1023003563
  5. Donna Dolan, MDInternal Medicine Physician1831134824
  6. Carol Garner, MSN,CS,FNPFamily Nurse Practitioner1295734036

Verify Justin Roger Grimes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 744531    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
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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Emergenchealth PLLCSan Antonio, TX

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

Justin Roger Grimes among 6,097 certified registered nurse anesthetist records in Texas

Justin Roger Grimes, CRNA is one of 6,097 certified registered nurse anesthetist records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 55% of them.

  • NPI issued2014 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2013 · median 2014 among the 4,734 with a school on file
  • Record last updated2014 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 6,097 in Texas → Every provider in San Marcos → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Gregory Alexander, CRNASan Marcos, TX 786661396770590
  2. Catherine Carpenter, CRNASan Marcos, TX 786661255449286
  3. Rockie Dugger, CRNASan Marcos, TX 786661003891102
  4. Courtney HarrellSan Marcos, TX 786661396707915
  5. Wendell Holladay, CRNASan Marcos, TX 786661194878983
  6. Jericho Loupe, CRNASan Marcos, TX 786661992908321
  7. Mildred Mozara, CRNASan Marcos, TX 786661063450567
  8. Michael Nick, CRNASan Marcos, TX 786661275512006

Common questions

What is Justin Roger Grimes, CRNA's NPI number?

Justin Roger Grimes, CRNA's National Provider Identifier (NPI) is 1639592967, issued on Jan 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Justin Roger Grimes, 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 Justin Roger Grimes, CRNA's license?

NPPES lists Texas license number 744531, as entered by the provider. 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.