DR. ABHINAV DIWAN MD
NPI 1447215488
Internal Medicine - Cardiovascular Disease in Saint Louis, MO
About Dr. Abhinav Diwan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABHINAV DIWAN MD (NPI 1447215488) is an individual cardiovascular disease provider in Saint Louis, Missouri, licensed in Missouri (2008018936) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Abhinav Diwan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Abhinav Diwan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Creve Coeur, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 45 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 63106 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.
SAINT LOUIS, MO 63106
SAINT LOUIS, MO 63106
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 Abhinav Diwan's NPI number?
The NPI number for Abhinav Diwan is 1447215488. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Abhinav Diwan located?
Abhinav Diwan practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 289-7030.
What is Abhinav Diwan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Abhinav Diwan enrolled in Medicare?
Yes. Abhinav Diwan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Abhinav Diwan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abhinav Diwan reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Heart Care Institute LLC (Creve Coeur, MO). 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 Abhinav Diwan'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 Abhinav Diwan was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Abhinav Diwan, MD · NPI 1447215488
Cardiovascular Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1447215488 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 2008018936 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 N GRAND BLVD, Saint Louis, MO 63106-1621
- **Phone:** (314) 289-7030
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Washington University (NPI 1992746903, Saint Louis, MO); Heart Care Institute LLC (NPI 1881975308, Creve Coeur, MO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2025
- **Other identifiers:** Medicaid 208835702 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1447215488) · Data from the CMS NPPES public registry.