DR. JUAN CARLOS RUBEN RUIZ DIAZ M.D.
NPI 1790192672
Internal Medicine - Cardiovascular Disease in Poplar Bluff, MO
About Dr. Juan Carlos Ruben Ruiz Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUAN CARLOS RUBEN RUIZ DIAZ M.D. (NPI 1790192672) is an individual cardiovascular disease provider in Poplar Bluff, Missouri, licensed in Missouri (2021036284) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Missouri Delta Medical Center, and is a graduate of Other (2012).
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. Juan Carlos Ruben Ruiz Diaz 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 Reassignment
Medicare enrollment records show Juan Carlos Ruiz Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Poplar Bluff, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 89 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 25
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Missouri Delta Medical Center
Acute Care Hospitals · Sikeston, MOPoplar Bluff Regional Medical Center
Acute Care Hospitals · Poplar Bluff, MOMercy Hospital Stoddard
Acute Care Hospitals · Dexter, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOSaint Francis Medical Center
Acute Care Hospitals · Cape Girardeau, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63901 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POPLAR BLUFF, MO 63901
POPLAR BLUFF, MO 63901
POPLAR BLUFF, MO 63901
POPLAR BLUFF, MO 63901
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 Juan Carlos Ruiz Diaz's NPI number?
The NPI number for Juan Carlos Ruiz Diaz is 1790192672. It was assigned to this individual provider in the NPPES registry on July 12, 2014.
Where is Juan Carlos Ruiz Diaz located?
Juan Carlos Ruiz Diaz practices at 3098 Oak Grove Rd, Poplar Bluff, MO 63901. The listed phone number is (573) 778-2600.
What is Juan Carlos Ruiz Diaz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Juan Carlos Ruiz Diaz enrolled in Medicare?
Yes. Juan Carlos Ruiz 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 Juan Carlos Ruiz Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Juan Carlos Ruiz Diaz reassigns Medicare benefits to Poplar Bluff Hma Physician Management, LLC (Poplar Bluff, MO). 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 Juan Carlos Ruiz Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Juan Carlos Ruiz Diaz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Juan Carlos Ruiz 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 Juan Carlos Ruiz Diaz affiliated with any hospitals?
According to CMS data, Juan Carlos Ruiz Diaz is affiliated with Missouri Delta Medical Center, Poplar Bluff Regional Medical Center, Mercy Hospital Stoddard, St Lukes Hospital and Saint Francis Medical Center.
When was this NPI record last updated?
The NPPES record for Juan Carlos Ruiz Diaz was last updated on November 9, 2021. 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.