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

Dr. Alexander Mark Papanastassiou, MD

Individual provider Neurological Surgery Physician · NPI 1659321230

Dr. Alexander Mark Papanastassiou, MD is a Neurosurgery in San Antonio, Texas. Graduated from University of California, San Francisco School of Medicine in 2002, 24 years ago. Practices with University of Texas Health Science Center at San Antonio, a 1,295-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Texas.

Years since qualifying
24
Trained at
University of California, San Francisco School of Medicine
Licensed in
MA, TX
In the registry since
2006
Specialties on file
2
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

7940 Floyd Curl Dr Tower Ii Ste 300
San Antonio, TX 78229-3905
Phone: (210) 567-6027
Fax: (210) 567-3614
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence N6559 (TX)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 227755 (MA)

Record details

NPI number1659321230
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESFebruary 27, 2015

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice University Of Texas Health Science Center At San Antonio — 1295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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