JOSE A DIAZ M.D.
NPI 1982693271
Surgery in Highland, IL
About Jose A Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSE A DIAZ M.D. (NPI 1982693271) is an individual surgery provider in Highland, Illinois, licensed in Illinois (036.077861) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Hshs Holy Family Hospital Inc, and is a graduate of University Of Missouri, Columbia School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Jose A 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 Reassignments
3Medicare enrollment records show Jose Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Highland, IL 62249
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
Greenville, IL 62246
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Pana, IL 62557
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Hshs Medical Group Inc
- 317 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 13
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.
Hshs Holy Family Hospital Inc
Acute Care Hospitals · Greenville, ILSt Josephs Hospital
Acute Care Hospitals · Breese, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILSt Joseph's Hospital
Critical Access Hospitals · Highland, ILSsm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62249 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Jose Diaz's NPI number?
The NPI number for Jose Diaz is 1982693271. It was assigned to this individual provider in the NPPES registry on October 19, 2005.
Where is Jose Diaz located?
Jose Diaz practices at 12860 Troxler Ave, Highland, IL 62249. The listed phone number is (618) 664-9831.
What is Jose Diaz's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Jose Diaz enrolled in Medicare?
Yes. Jose 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 organizations bill Medicare for Jose Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jose Diaz reassigns Medicare benefits to 3 organizations: St Josephs Hospital Of The Hospital Sisters Of The Third Order Of St F (Highland, IL), Hshs Holy Family Hospital Inc (Greenville, IL) and Sjl Health Systems Inc (Pana, IL). 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 Jose Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jose Diaz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Medica list Jose 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 Jose Diaz affiliated with any hospitals?
According to CMS data, Jose Diaz is affiliated with Hshs Holy Family Hospital Inc, St Josephs Hospital, Hshs St Elizabeth's Hospital, St Joseph's Hospital and Ssm Health Saint Louis University Hospital.
When was this NPI record last updated?
The NPPES record for Jose Diaz was last updated on November 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.