DR. ARNAB CHOWDHURY MD
NPI 1639568033
Internal Medicine - Critical Care Medicine in Pittsburgh, PA
About Dr. Arnab Chowdhury Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARNAB CHOWDHURY MD (NPI 1639568033) is an individual critical care medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD473526) and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, is affiliated with Upmc Presbyterian Shadyside, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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. Arnab Chowdhury 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 Arnab Chowdhury reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Philadelphia, PA 19143
- Reassigned Medicare billing, Pennsylvania enrollment
- 752 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
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 Arnab Chowdhury's NPI number?
The NPI number for Arnab Chowdhury is 1639568033. It was assigned to this individual provider in the NPPES registry on January 22, 2015.
Where is Arnab Chowdhury located?
Arnab Chowdhury practices at 3600 Forbes Avenue Forbes Tower Plaza Level Suite 140, Pittsburgh, PA 15213. The listed phone number is (412) 647-2345.
What is Arnab Chowdhury's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Arnab Chowdhury enrolled in Medicare?
Yes. Arnab Chowdhury 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 Arnab Chowdhury's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arnab Chowdhury reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and University Of Penn-Medical Group (Philadelphia, 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 Arnab Chowdhury's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Arnab Chowdhury accept?
Health plans from Sanford Health Plan list Arnab Chowdhury as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Arnab Chowdhury affiliated with any hospitals?
According to CMS data, Arnab Chowdhury is affiliated with Upmc Presbyterian Shadyside.
When was this NPI record last updated?
The NPPES record for Arnab Chowdhury was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Arnab Chowdhury, MD · NPI 1639568033
Critical Care Medicine physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since January 22, 2015.
## Identity
- **NPI:** 1639568033 (Entity type: Individual)
- **Enumerated:** January 22, 2015
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** MD473526 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 FORBES AVENUE, FORBES TOWER PLAZA LEVEL SUITE 140, Pittsburgh, PA 15213
- **Phone:** (412) 647-2345
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1548433527, Pittsburgh, PA); University Of Penn-Medical Group (NPI 1992301196, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** June 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639568033) · Data from the CMS NPPES public registry.