WILLIAM DYRK HALSTEAD MD
NPI 1912953688
Emergency Medicine in Tullahoma, TN
About William Dyrk Halstead Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM DYRK HALSTEAD MD (NPI 1912953688) is an individual emergency medicine provider in Tullahoma, Tennessee, licensed in Tennessee (14889) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of West Virginia University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
William Dyrk Halstead 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 William Halstead reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Murfreesboro, TN 37127
- Reassigned Medicare billing, Tennessee enrollment
- 4 clinicians in this Medicare group
Brentwood, TN 37027
- Reassigned Medicare billing, Tennessee enrollment
- 137 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Tennessee enrollment
- 1,071 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 37388 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.
TULLAHOMA, TN 37388
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 William Halstead's NPI number?
The NPI number for William Halstead is 1912953688. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is William Halstead located?
William Halstead practices at 1801 N Jackson St, Tullahoma, TN 37388. The listed phone number is (931) 393-3000.
What is William Halstead's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Halstead enrolled in Medicare?
Yes. William Halstead 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 William Halstead's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Halstead reassigns Medicare benefits to 3 organizations: Doctors Urgent Care LLC (Murfreesboro, TN), Iris Medical Group (Brentwood, TN) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 William Halstead's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Halstead accept?
Health plans from BlueCross BlueShield of Tennessee, Oscar Health and Oscar Insurance Company list William Halstead 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 William Halstead was last updated on November 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# William Dyrk Halstead, MD · NPI 1912953688
Emergency Medicine physician in Tullahoma, Tennessee. Individual provider, active in the CMS NPPES registry since May 25, 2006.
## Identity
- **NPI:** 1912953688 (Entity type: Individual)
- **Enumerated:** May 25, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 14889 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 N JACKSON ST, Tullahoma, TN 37388-2201
- **Phone:** (931) 393-3000
## 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): Doctors Urgent Care LLC (NPI 1184944407, Murfreesboro, TN); Iris Medical Group (NPI 1851025902, Brentwood, TN); Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia University School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** November 7, 2007
- **Other identifiers:** Other P00254188 (TN); Medicare UPIN A96747 (TN); Medicaid 3002115 (TN); and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1912953688) · Data from the CMS NPPES public registry.