Grant Ian Langston
Internal Medicine Physician · Butler, PA
Grant Ian Langston is an internal medicine physician with a practice address in Butler, Pennsylvania, and NPI 1891227427, issued on Apr 2, 2017. Check the license (Pennsylvania MD469465, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Grant Ian Langston
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD469465 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Way, Butler, PA 16001
- Phone
- (724) 285-0823
- Enumerated
- Apr 2, 2017
- Record last updated
- Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (724) 285-0879
- Medicare enrollment
- Enrolled (PECOS I20200630003566); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1 Hospital Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gabriel Armando, PA-CPhysician Assistant1114437142
- Bryan Artiles, CRNP, NP-CFamily Nurse Practitioner1558979203
- Trish Arvay, PA-CMedical Physician Assistant1396996500
- Andrew Begg, MDInternal Medicine Physician1952808750
- Michael BiggianiStudent in an Organized Health Care Education/Training Program1306637426
- Madison Bigley, PA-CMedical Physician Assistant1124735709
Verify Grant Ian Langston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD469465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
239 Medicare Part D claims for 126 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Furosemide20 claims
- Metoprolol Succinate20 claims
- Prednisone15 claims
- Oxycodone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- St Clair Professional Services IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Ian Langston among 7,300 internal medicine physician records in Pennsylvania
Grant Ian Langston is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 68% of them.
- NPI issued2017 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2008 among the 4,208 with a school on file
- Record last updated2020 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 internal medicine physician records list a practice address in Butler
They are 43 of the 1,139 NPPES records with a practice address in Butler, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Butler → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Weien Agate, M.D.Butler, PA 160011982670691
- Fozia Chatta, M.D.Butler, PA 160011659309953
- Dennis Demby, M.D.Butler, PA 160011780612523
- Padmarao Jevaji, MD, MMPHButler, PA 160011609807296
- Lillian Jordan, MDButler, PA 160011235154295
- James Mathews, DOButler, PA 160011477523140
- Varsha Mehta, M.D.Butler, PA 160011760413108
- John Reefer, M.D.Butler, PA 160011093743304
Common questions
What is Grant Ian Langston's NPI number?
Grant Ian Langston's National Provider Identifier (NPI) is 1891227427, issued on Apr 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Grant Ian Langston located?
The NPPES record lists a practice address at 1 Hospital Way, Butler, PA, 16001. Phone: (724) 285-0823. Providers update this record themselves, so call before visiting.
How can I verify Grant Ian Langston's license?
NPPES lists Pennsylvania license number MD469465, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grant Ian Langston prescribe under Medicare Part D?
In 2024, Grant Ian Langston had 239 Medicare Part D claims for 126 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.