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

Grant Ian Langston

Individual provider Internal Medicine Physician · NPI 1891227427

Grant Ian Langston is an Internal Medicine in Butler, Pennsylvania. Qualified in 2017, 9 years ago. Practices with St Clair Professional Services Inc, a 74-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
9
Licensed in
PA
In the registry since
2017

Practice location Address checks out

1 Hospital Way
Butler, PA 16001-4670
Phone: (724) 285-0823
Fax: (724) 285-0879
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD469465 (PA)

Record details

NPI number1891227427
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 2, 2017
Last updated in NPPESJuly 8, 2020
Certification dateJuly 8, 2020
Mailing addressPo Box 447, 500 Grant Ave, 3rd Floor, East Butler, PA 16029-0447

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice St Clair Professional Services Inc — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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