DR. TIMOTHY JOSEPH ERNESTI DDS
NPI 1972827194
Dentist in Sioux City, IA
About Dr. Timothy Joseph Ernesti Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY JOSEPH ERNESTI DDS (NPI 1972827194) is an individual dentist in Sioux City, Iowa, licensed in Iowa (08689) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Timothy Joseph Ernesti Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Timothy Ernesti reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Macy, NE 68039
- Reassigned Medicare billing, Texas enrollment
- 27 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 51106 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX CITY, IA 51106
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 Timothy Ernesti's NPI number?
The NPI number for Timothy Ernesti is 1972827194. It was assigned to this individual provider in the NPPES registry on March 17, 2010.
Where is Timothy Ernesti located?
Timothy Ernesti practices at 4016 Morningside Ave, Sioux City, IA 51106. The listed phone number is (171) 227-6443.
What is Timothy Ernesti's specialty?
The primary specialty registered for this NPI is Dentist with taxonomy code 122300000X.
Is Timothy Ernesti enrolled in Medicare?
Yes. Timothy Ernesti is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Timothy Ernesti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Ernesti reassigns Medicare benefits to Omaha Tribe Of Nebraska (Macy, NE). 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 Timothy Ernesti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Ernesti accept?
Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 8 other insurers list Timothy Ernesti 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.
When was this NPI record last updated?
The NPPES record for Timothy Ernesti was last updated on March 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Timothy Joseph Ernesti, DDS · NPI 1972827194
Dentist provider in Sioux City, Iowa. Individual provider, active in the CMS NPPES registry since March 17, 2010.
## Identity
- **NPI:** 1972827194 (Entity type: Individual)
- **Enumerated:** March 17, 2010
- **Primary specialty:** Dentist · taxonomy 122300000X
- **State license:** 08689 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 4016 MORNINGSIDE AVE, Sioux City, IA 51106-2459
- **Phone:** (171) 227-6443
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Omaha Tribe Of Nebraska (NPI 1114922143, Macy, NE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 17, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1972827194) · Data from the CMS NPPES public registry.