Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Marissa Lynn Johnson, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1740256742

Marissa Lynn Johnson, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Seguin, Texas. Qualified in 2003, 23 years ago. Practices with Emergenchealth PLLC, a 1,024-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
23
Licensed in
TX
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1215 E Court St
Seguin, TX 78155-5129
Phone: (830) 379-5867
Fax: (830) 401-4035
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence TBN573224 (TX)

Record details

NPI number1740256742
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESOctober 24, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Emergenchealth Pllc — 1024 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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