P Praxis·MD
● Active Type 2 · Organization

Guy H Grayson MD PA

Pediatrics·Harlingen, TX· NPI 1891991410 · Enumerated 2007 · 18 years on NPI
Guy H Grayson MD PA is 1 of 321 pediatrics organizations in Texas.
NPI age
18 years
Enumerated 2007-06-21
Primary specialty
Pediatrics
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Grayson
President
Last NPPES update
2008-07-28
Source: monthly bulk 2026-05

How this organization compares

Across 321 active pediatrics providers in Texas.

NPI age
18 years
≈ at median (17 yr)
Practice locations
1
0 secondary on file
Subspecialties
0

NPI lifetime · 2007 → 2026

2007-06Enumerated in NPPES
2007 2026

Where they practice

Primary practice location
1911 Lubbock St, Suite C
Harlingen, TX 785508233
📞 8662420010fax 9563654423
Mailing address
Po Box 531030
Harlingen, TX 785531030
📞 8662420010fax 9564280368

Authorized official

Guy Howard Grayson, MD
President
📞 9563654419

Individual providers at this organization

2 individual providers on file at this primary practice address.

Specialties

  • Pediatrics Primary
    A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
    TX license #J0507 taxonomy 2080P0207X

Identifiers

TypeValueNotes
05 (TX) 134968009
05 (TX) 154945301

Other names on file (1)

Doing-business-as, former, and alternate names recorded by NPPES.

  • Valley Childrens Cancer and Blood Disease Center
    Type code 3 recorded 2008-07-28

Practice context

Multi-provider organization. 2 individual providers on file at this primary address.

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How to verify this organization

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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