DR. JOSHUA DIGENNARO TREBACH MD
NPI 1306260799
Emergency Medicine - Medical Toxicology in Iowa City, IA
About Dr. Joshua Digennaro Trebach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA DIGENNARO TREBACH MD (NPI 1306260799) is an individual medical toxicology provider in Iowa City, Iowa, licensed in Iowa (MD-49768) and active in the NPI registry since February 2014. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Hospital & Clinics, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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. Joshua Digennaro Trebach 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 Reassignments
3Medicare enrollment records show Joshua Trebach reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Iowa City, IA 52242
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52242 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IOWA CITY, IA 52242
IOWA CITY, IA 52242
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 Joshua Trebach's NPI number?
The NPI number for Joshua Trebach is 1306260799. It was assigned to this individual provider in the NPPES registry on February 6, 2014.
Where is Joshua Trebach located?
Joshua Trebach practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 353-6362.
What is Joshua Trebach's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is Joshua Trebach enrolled in Medicare?
Yes. Joshua Trebach 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 Joshua Trebach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Trebach reassigns Medicare benefits to 3 organizations: State University Of Iowa (Iowa City, IA), Johns Hopkins University (Bethesda, MD) and New York University (Boynton Beach, FL). 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 Joshua Trebach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Trebach accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Joshua Trebach 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 Joshua Trebach affiliated with any hospitals?
According to CMS data, Joshua Trebach is affiliated with University Of Iowa Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Joshua Trebach was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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. Joshua Digennaro Trebach, MD · NPI 1306260799
Medical Toxicology physician in Iowa City, Iowa. Individual provider, active in the CMS NPPES registry since February 6, 2014.
## Identity
- **NPI:** 1306260799 (Entity type: Individual)
- **Enumerated:** February 6, 2014
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **State license:** MD-49768 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HAWKINS DR, Iowa City, IA 52242-1009
- **Phone:** (319) 353-6362 · **Fax:** (319) 353-7006
## 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): State University Of Iowa (NPI 1114905387, Iowa City, IA); Johns Hopkins University (NPI 1578569240, Bethesda, MD); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** October 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306260799) · Data from the CMS NPPES public registry.