DR. DAVID DIAZ MD
NPI 1639101058
Surgery in Carmel, IN
About Dr. David Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID DIAZ MD (NPI 1639101058) is an individual surgery provider in Carmel, Indiana, licensed in Indiana (01062673A) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Deaconess Hospital Inc, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
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. David Diaz 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 David Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carmel, IN 46032
- Reassigned Medicare billing, Indiana enrollment
- 945 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Deaconess Hospital Inc
Acute Care Hospitals · Evansville, INAscension St Vincent Carmel
Acute Care Hospitals · Carmel, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46032 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CARMEL, IN 46032
CARMEL, IN 46032
CARMEL, IN 46032
CARMEL, IN 46032
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 David Diaz's NPI number?
The NPI number for David Diaz is 1639101058. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is David Diaz located?
David Diaz practices at 13430 N Meridian St Suite 275, Carmel, IN 46032. The listed phone number is (317) 582-8810.
What is David Diaz's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is David Diaz enrolled in Medicare?
Yes. David Diaz 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 David Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Diaz reassigns Medicare benefits to St. Vincent Medical Group, Inc. (Carmel, IN). 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 David Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Diaz accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list David Diaz 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 David Diaz affiliated with any hospitals?
According to CMS data, David Diaz is affiliated with Deaconess Hospital Inc and Ascension St Vincent Carmel.
When was this NPI record last updated?
The NPPES record for David Diaz was last updated on June 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. David Diaz, MD · NPI 1639101058
Surgery physician in Carmel, Indiana. Individual provider, active in the CMS NPPES registry since July 7, 2006.
## Identity
- **NPI:** 1639101058 (Entity type: Individual)
- **Enumerated:** July 7, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 01062673A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 13430 N MERIDIAN ST, SUITE 275, Carmel, IN 46032-1405
- **Phone:** (317) 582-8810 · **Fax:** (317) 582-8863
## 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:** St. Vincent Medical Group, Inc. (NPI 1811881527, Carmel, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** June 17, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1639101058) · Data from the CMS NPPES public registry.