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

Gregory Stephen Merrick, MD

Individual provider Radiation Oncology Physician · NPI 1992774673

Gregory Stephen Merrick, MD is a Radiation Oncology Physician in Wheeling, West Virginia. Licensed in West Virginia. Registered with an NPI since 2006.

Licensed in
WV
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

1 Medical Park
Wheeling, WV 26003-6379
Phone: (304) 243-3490
Fax: (304) 243-5047
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 15750 (WV)

Record details

NPI number1992774673
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESAugust 14, 2012
Mailing address1 Medical Park, Wheeling, WV 26003-6379

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