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GRANT IAN LANGSTON
NPI 1891227427
Internal Medicine in Butler, PA

Active since April 02, 2017PECOS EnrolledAccepts Medicare Assignment
1 HOSPITAL WAY, BUTLER, PA 16001(724) 285-0823(724) 285-0879 Get Directions Write a Review

NPPES record last updated: July 8, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2020, Apr 2, 2017 (2 updates tracked since 2017).

About Grant Ian Langston NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRANT IAN LANGSTON (NPI 1891227427) is an individual internal medicine provider in Butler, Pennsylvania, licensed in Pennsylvania (MD469465) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with St Clair Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1891227427
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGRANT IAN LANGSTON
Location Address1 HOSPITAL WAYButler, PA 16001-4670
Mailing AddressPo Box 447, 500 Grant Ave, 3rd FloorEast Butler, PA 16029-0447 · (724) 284-7470 · Fax (724) 284-4470
Phone(724) 285-0823
Fax(724) 285-0879
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 2, 2017
Last NPPES UpdateJuly 8, 20202 updates tracked since enumeration
NPPES CertifiedJuly 8, 2020
✔ NPI 1891227427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD469465
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1 HOSPITAL WAY, Butler, PA 16001
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grant Ian Langston is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618390147
PECOS Enrollment IDI20200630003566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Grant Langston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Butler Medical Providers
Same address
Internal Medicine
1 HOSPITAL WAY
Butler, PA 16001
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 482 clinicians in this Medicare group
NPI 1154514982 (724) 285-0823
St Clair Professional Services Inc
36 mi
Critical Care Medicine
1000 BOWER HILL RD
Pittsburgh, PA 15243
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 133 clinicians in this Medicare group
NPI 1326712050 (412) 942-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
252 services132 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
58 services55 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
42 services40 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
23 services23 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Clair Hospital

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390228
Location1000 Bower Hill RoadPittsburgh, PA 15243 · Allegheny County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
6 suppliers33 claims33 services$17.86 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
6 suppliers45 claims45 services$98.83 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$34.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

UZMA SHAHZAD MD
Internal Medicine (Infectious Disease)
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 284-4309
TRICIA LEIGHT CRNP
Nurse Practitioner
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 283-6666
MELISSE S MASER RN, CRNP
Nurse Practitioner (Family)
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 284-4699
DALE ORDEAN CRNP
Family Medicine
1 HOSPITAL WAY, FIRST FLOOR
BUTLER, PA 16001
Butler County (724) 431-0550
RICHARD THOMAS FILIAGGI DO
Pediatrics
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 285-0823
GABRIEL PATRICK ARMANDO PA-C
Physician Assistant
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 283-6666
DR. STEPHANIE L CLARK M.D.
Internal Medicine
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 285-0823
MADISON ANN BIGLEY PA-C
Physician Assistant (Medical)
1 HOSPITAL WAY
BUTLER, PA 16001
Butler County (724) 284-4550

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grant Langston's NPI number?

The NPI number for Grant Langston is 1891227427. It was assigned to this individual provider in the NPPES registry on April 2, 2017.

Where is Grant Langston located?

Grant Langston practices at 1 Hospital Way, Butler, PA 16001. The listed phone number is (724) 285-0823.

What is Grant Langston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Grant Langston enrolled in Medicare?

Yes. Grant Langston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Grant Langston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Langston reassigns Medicare benefits to 2 organizations: Butler Medical Providers (Butler, PA) and St Clair Professional Services Inc (Pittsburgh, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grant Langston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Grant Langston affiliated with any hospitals?

According to CMS data, Grant Langston is affiliated with St Clair Hospital.

When was this NPI record last updated?

The NPPES record for Grant Langston was last updated on July 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.