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

Mary Ellen Halamicek, NP

Individual provider Nurse Practitioner · NPI 1609840339

Mary Ellen Halamicek, NP is a Nurse Practitioner in Houston, Texas. Qualified in 2001, 25 years ago. Practices with Ortholonestar PLLC, a 415-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
25
Licensed in
TX
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

7401 Main St
Houston, TX 77030-4509
Phone: (713) 799-2300
Fax: (713) 794-3380
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 04491 (TX)

Record details

NPI number1609840339
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESOctober 11, 2018

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Ortholonestar Pllc — 415 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Houston