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

Cornerstone Services PC

Organization Internal Medicine Physician · NPI 1922103399

Cornerstone Services PC is an Internal Medicine Physician in Sherman, Texas. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

600 N Highland Ste 101
Sherman, TX 75092
Phone: (903) 892-8112
Fax: (903) 893-8637
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1922103399
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Philip Yeilding — Owner · (903) 892-8112
NPI enumeratedSeptember 13, 2006
Last updated in NPPESJune 13, 2008
Mailing address108 E Houston St, Sherman, TX 75090-5908

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