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

Individual provider Anesthesiology Physician · NPI 1750449831

Dr. Nicolas Athanassiou, MD is an Anesthesiology in Houston, Texas. Qualified in 1986, 40 years ago. Practices with U S Anesthesia Partners of Texas, PA, a 2,747-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
40
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6565 Fannin St Ste B452
Houston, TX 77030-2703
Phone: (713) 441-3620
Fax: (713) 790-2082
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence L3914 (TX)

Record details

NPI number1750449831
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 4, 2006
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026
Mailing address6565 Fannin St Ste B452, Houston, TX 77030-2703

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice U S Anesthesia Partners Of Texas, Pa — 2747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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