DR. ASHWIN PRABHAKARAN NAMBIAR M.D.
NPI 1588993604
Radiology - Diagnostic Radiology in Pittsburgh, PA
About Dr. Ashwin Prabhakaran Nambiar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ASHWIN PRABHAKARAN NAMBIAR M.D. (NPI 1588993604) is an individual diagnostic radiology provider in Pittsburgh, Pennsylvania, licensed in California (A138704) and active in the NPI registry since December 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2008).
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. Ashwin Prabhakaran Nambiar M.d. 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
3Medicare enrollment records show Ashwin Nambiar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 156 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 447 clinicians in this Medicare group
Lake Havasu City, AZ 86403
- Reassigned Medicare billing, Arizona enrollment
- 7 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15222 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15222
PITTSBURGH, PA 15222
PITTSBURGH, PA 15222
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 Ashwin Nambiar's NPI number?
The NPI number for Ashwin Nambiar is 1588993604. It was assigned to this individual provider in the NPPES registry on December 19, 2009.
Where is Ashwin Nambiar located?
Ashwin Nambiar practices at 401 Liberty Ave Ste 2000, Pittsburgh, PA 15222. The listed phone number is (412) 223-2272.
What is Ashwin Nambiar's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ashwin Nambiar enrolled in Medicare?
Yes. Ashwin Nambiar 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 Ashwin Nambiar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashwin Nambiar reassigns Medicare benefits to 3 organizations: Southwest Diagnostic Imaging LLC (Scottsdale, AZ), Sonoran Radiology Ltd (Mesa, AZ) and Pinnacle Healthcare LLC (Lake Havasu City, AZ). 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 Ashwin Nambiar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashwin Nambiar accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Ashwin Nambiar 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.
When was this NPI record last updated?
The NPPES record for Ashwin Nambiar was last updated on January 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Ashwin Prabhakaran Nambiar, M.D. · NPI 1588993604
Diagnostic Radiology physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 19, 2009.
## Identity
- **NPI:** 1588993604 (Entity type: Individual)
- **Enumerated:** December 19, 2009
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A138704 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 LIBERTY AVE, STE 2000, Pittsburgh, PA 15222-1000
- **Phone:** (412) 223-2272
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southwest Diagnostic Imaging LLC (NPI 1902896236, Scottsdale, AZ); Sonoran Radiology Ltd (NPI 1033745708, Mesa, AZ); Pinnacle Healthcare LLC (NPI 1457125288, Lake Havasu City, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** January 11, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1588993604) · Data from the CMS NPPES public registry.