DR. ARUN CHAUDHURY MD
NPI 1619097805
Physiological Laboratory in Oro Valley, AZ
About Dr. Arun Chaudhury Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARUN CHAUDHURY MD (NPI 1619097805) is an individual physiological laboratory provider in Oro Valley, Arizona and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in West Roxbury, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Arun Chaudhury 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 Reassignment
Medicare enrollment records show Arun Chaudhury reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 664 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.
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.
ORO VALLEY, AZ 85755
ORO VALLEY, AZ 85755
ORO VALLEY, AZ 85755
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 Arun Chaudhury's NPI number?
The NPI number for Arun Chaudhury is 1619097805. It was assigned to this individual provider in the NPPES registry on March 30, 2007.
Where is Arun Chaudhury located?
Arun Chaudhury practices at 1551 E Tangerine Rd, Oro Valley, AZ 85755. The listed phone number is (520) 901-3500.
What is Arun Chaudhury's specialty?
The primary specialty registered for this NPI is Physiological Laboratory with taxonomy code 293D00000X.
Is Arun Chaudhury enrolled in Medicare?
Yes. Arun Chaudhury 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 organization bills Medicare for Arun Chaudhury's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arun Chaudhury reassigns Medicare benefits to Northwest Hbp Medical Services LLC (Tucson, AZ). The 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 Arun Chaudhury's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Arun Chaudhury was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Arun Chaudhury, MD · NPI 1619097805
Physiological Laboratory provider in Oro Valley, Arizona. Individual provider, active in the CMS NPPES registry since March 30, 2007.
## Identity
- **NPI:** 1619097805 (Entity type: Individual)
- **Enumerated:** March 30, 2007
- **Primary specialty:** Physiological Laboratory · taxonomy 293D00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1551 E TANGERINE RD, Oro Valley, AZ 85755-6213
- **Phone:** (520) 901-3500
## 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:** Northwest Hbp Medical Services LLC (NPI 1407353006, Tucson, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** February 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619097805) · Data from the CMS NPPES public registry.