Margaret S. Grimes, CRNA
Certified Registered Nurse Anesthetist · Houston, TX
Margaret S. Grimes, CRNA is a certified registered nurse anesthetist with a practice address in Houston, Texas, and NPI 1619954187, issued on Dec 27, 2005. Check the license (Texas 249403, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret S. Grimes
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 249403 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4120 Southwest Fwy, Houston, TX 77027
- Phone
- (713) 355-8600
- Enumerated
- Dec 27, 2005
- Record last updated
- Sep 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050426001142); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4120 Southwest Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Copeland, CRNACertified Registered Nurse Anesthetist1962497263
- Kenneth Efird, D.C.Radiology Chiropractor1639219785
- Tanya Geffert, CRNACertified Registered Nurse Anesthetist1104866979
- Michelle Gershenson, CRNACertified Registered Nurse Anesthetist1669467668
- Ahmed Khalifa, MDPhysical Medicine & Rehabilitation Physician1740267053
- Donald Kramer, M.D.Specialist1164405254
Verify Margaret S. Grimes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 249403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 65.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Teleios Anesthesia PLLCLake Jackson, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,127 certified registered nurse anesthetist records list a practice address in Houston
They are 1,127 of the 61,221 NPPES records with a practice address in Houston, and 6,097 certified registered nurse anesthetist records in Texas.
All 1,127 in Houston → All 6,097 in Texas → Every provider in Houston →
Other certified registered nurse anesthetist records in Texas
- Kristine Joy Abalos, CRNAHouston, TX1912550260
- Ligaya Abangan, CRNAHouston, TX1922088384
- Nemuel Abasta, CRNAGalveston, TX1316339690
- Eileen Abbasi, CRNADallas, TX1588918981
- Guy Abbey, CRNALa Grange, TX1235249400
- Amelia Abbott, CRNAHouston, TX1225142995
- Cordero Abdullah, CRNAGrandview, TX1477339125
- Tanja Abercrombie, CRNAAustin, TX1720047020
- Abigail Ables, CRNACorpus Christi, TX1942124748
- Hollye Abner, CRNAHarlingen, TX1457990202
Common questions
What is Margaret S. Grimes, CRNA's NPI number?
Margaret S. Grimes, CRNA's National Provider Identifier (NPI) is 1619954187, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret S. Grimes, CRNA located?
The NPPES record lists a practice address at 4120 Southwest Fwy, Houston, TX, 77027. Phone: (713) 355-8600. Providers update this record themselves, so call before visiting.
How can I verify Margaret S. Grimes, CRNA's license?
NPPES lists Texas license number 249403, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
What is Margaret S. Grimes, CRNA's MIPS final score?
The 2023 MIPS final score is 65.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.