OBSERVATION PHYSICIANS OF TIDEWATER
NPI 1306590450
Hospitalist in Norfolk, VA
About Observation Physicians Of Tidewater NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OBSERVATION PHYSICIANS OF TIDEWATER (NPI 1306590450) is a healthcare organization registered as a hospitalist in Norfolk, Virginia and active in the NPI registry since February 2022. The organization lists Theodore Tzavaras, Ao, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Observation Physicians Of Tidewater is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
51Medicare enrollment records show 51 clinicians reassign Medicare billing to Observation Physicians Of Tidewater, which bills Medicare for the services they deliver. Of these, 41 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 51Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Observation Physicians Of Tidewater's NPI number?
The NPI number for Observation Physicians Of Tidewater is 1306590450. It was assigned to this organization in the NPPES registry on February 8, 2022.
Where is Observation Physicians Of Tidewater located?
Observation Physicians Of Tidewater is located at 830 Kempsville Rd, Norfolk, VA 23502. The listed phone number is (757) 261-6000.
What is Observation Physicians Of Tidewater's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Observation Physicians Of Tidewater enrolled in Medicare?
Yes. Observation Physicians Of Tidewater is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Observation Physicians Of Tidewater?
According to the CMS Revalidation Reassignment List (October 2026 release), 51 clinicians in 5 Medicare specialties reassign their Medicare billing to Observation Physicians Of Tidewater. A 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 the clinician's services. The largest specialties are Emergency Medicine (43), Internal Medicine (3) and Hospitalist (2). Of these, 41 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Observation Physicians Of Tidewater was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Observation Physicians Of Tidewater · NPI 1306590450
Hospitalist organization in Norfolk, Virginia. Organization record, active in the CMS NPPES registry since February 8, 2022.
## Identity
- **NPI:** 1306590450 (Entity type: Organization)
- **Enumerated:** February 8, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** Yes (part of Emergency Physicians Of Tidewater)
- **Authorized official:** Theodore Tzavaras, AO
## Practice location
- **Address:** 830 KEMPSVILLE RD, Norfolk, VA 23502-3920
- **Phone:** (757) 261-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 51 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (43), Internal Medicine (3), Hospitalist (2); 41 practice within 10 miles; [full list](https://npiprofile.com/npi/1306590450/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1306590450) · Data from the CMS NPPES public registry.