Ms. Judith P Grayhack, PH.D., CCC-SLP

Ms. Judith P Grayhack is a Speech-Language Pathologist provider (Speech-Language Pathologist) practicing in Pittsburgh, PA, registered in the NPPES registry with NPI 1922103738 since 2006. The credential PHD stands for Doctor of Philosophy.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1922103738
Entity type	Individual (Type 1)
Name	Ms. Judith P Grayhack
Credential	PH.D., CCC-SLP
Sex	Female
Practice address	Pittsburgh, PA, 15237
Phone	4123663889
Fax	4123646160
Enumeration date	2006-09-14
Last updated in NPPES	2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
235Z00000X	Speech-Language Pathologist	Primary	SL004410L	PA

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Copy-ready billing details

Provider: Judith Grayhack, PH.D., CCC-SLP
NPI: 1922103738
Taxonomy: 235Z00000X (Speech-Language Pathologist)
Address: Pittsburgh, PA, 15237

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1184277485	Erika Linkenheimer	Individual	Audiologist	Pittsburgh, PA
1730803735	Michael Burchesky	Individual	Audiologist	Pittsburgh, PA

Verify this record

Cross-check NPI 1922103738 against the authoritative CMS record: view Ms. Judith P Grayhack on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Judith Grayhack?

The National Provider Identifier (NPI) for Judith Grayhack is 1922103738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Judith Grayhack practice?

The practice location on file with NPPES is in Pittsburgh, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.