DR. SIDDHANT TREHAN MD
NPI 1942722285
Hospitalist in Grove City, PA
About Dr. Siddhant Trehan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIDDHANT TREHAN MD (NPI 1942722285) is an individual hospitalist provider in Grove City, Pennsylvania, licensed in Pennsylvania (MD470838) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Allegheny General Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Siddhant Trehan Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Siddhant Trehan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grove City, PA 16127
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 clinicians in this Medicare group
Monroeville, PA 15146
- Reassigned Medicare billing, Pennsylvania enrollment
- 167 clinicians in this Medicare group
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 7
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allegheny General Hospital
Acute Care Hospitals · Pittsburgh, PAJefferson Hospital
Acute Care Hospitals · Jefferson Hills, PAForbes Hospital
Acute Care Hospitals · Monroeville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 16127 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
GROVE CITY, PA 16127
GROVE CITY, PA 16127
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 Siddhant Trehan's NPI number?
The NPI number for Siddhant Trehan is 1942722285. It was assigned to this individual provider in the NPPES registry on July 7, 2017.
Where is Siddhant Trehan located?
Siddhant Trehan practices at 631 N Broad Street Ext, Grove City, PA 16127. The listed phone number is (724) 450-7246.
What is Siddhant Trehan's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Siddhant Trehan enrolled in Medicare?
Yes. Siddhant Trehan 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 Siddhant Trehan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siddhant Trehan reassigns Medicare benefits to 2 organizations: Allegheny Clinic (Grove City, PA) and Premier Medical Associates PC (Monroeville, 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 Siddhant Trehan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Siddhant Trehan affiliated with any hospitals?
According to CMS data, Siddhant Trehan is affiliated with Allegheny General Hospital, Jefferson Hospital and Forbes Hospital.
When was this NPI record last updated?
The NPPES record for Siddhant Trehan was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.