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

Michael Leopold Grynsztejn

Individual provider Anesthesiology Physician · NPI 1679623151

Michael Leopold Grynsztejn is an Anesthesiology in Houston, Texas. Qualified in 1981, 45 years ago. Practices with Lonestar Anesthesia Solutions PLLC, a 42-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
45
Licensed in
TX
In the registry since
2007

Practice location Address checks out

1500 Citywest Blvd Ste 300
Houston, TX 77042
Phone: (713) 620-4000
Fax: (713) 458-4229
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence H1097 (TX)

Record details

NPI number1679623151
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 10, 2007
Last updated in NPPESJuly 14, 2020
Certification dateJuly 14, 2020

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Lonestar Anesthesia Solutions Pllc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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