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

Dr. Gregory D. Andreassian, MD, PA

Individual provider Surgery Physician · NPI 1619973120

Dr. Gregory D. Andreassian, MD, PA is a Surgery Physician in Fredericksburg, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

205 W Windcrest St Ste 130
Fredericksburg, TX 78624-4478
Phone: (830) 997-6773
Fax: (830) 997-1961
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence H0136 (TX)

Record details

NPI number1619973120
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PA
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESJuly 21, 2022
Mailing address205 W Windcrest St, Ste 130, Fredericksburg, TX 78624-4478

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