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

Guy H Grayson MD PA

Organization Pediatric Hematology & Oncology Physician · NPI 1891991410

Guy H Grayson MD PA is a Pediatric Hematology & Oncology Physician in Harlingen, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1911 Lubbock St Ste C
Harlingen, TX 78550-8233
Phone: (866) 242-0010
Fax: (956) 365-4423
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence J0507 (TX)

Record details

NPI number1891991410
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Guy Grayson — President · (956) 365-4419
Other names Valley Childrens Cancer And Blood Disease Center
NPI enumeratedJune 21, 2007
Last updated in NPPESJuly 28, 2008
Mailing addressPo Box 531030, Harlingen, TX 78553-1030

Other providers in Harlingen