JOHNSON CITY MEDICAL CENTER, REGIONAL CANCER CENTER
NPI 1649578386
Social Worker - Clinical in Johnson City, TN
About Johnson City Medical Center, Regional Cancer Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHNSON CITY MEDICAL CENTER, REGIONAL CANCER CENTER (NPI 1649578386) is a healthcare organization registered as a clinical in Johnson City, Tennessee and active in the NPI registry since March 2011. The organization lists Graciela Pereira, Avp, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Johnson City Medical Center, Regional Cancer Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Johnson City Medical Center, Regional Cancer Center, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (17)
Wright Patterson Afb, OH 45433
Source: 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 Mountain States Health Alliance's NPI number?
The NPI number for Mountain States Health Alliance is 1649578386. It was assigned to this organization in the NPPES registry on March 4, 2011. The provider is doing business as Johnson City Medical Center, Regional Cancer Center.
Where is Mountain States Health Alliance located?
Mountain States Health Alliance is located at 1 Professional Park Dr Suite 21 Room C-17, Johnson City, TN 37604. The listed phone number is (423) 232-6900.
What is Mountain States Health Alliance's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mountain States Health Alliance enrolled in Medicare?
Yes. Mountain States Health Alliance is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mountain States Health Alliance?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 4 Medicare specialties reassign their Medicare billing to Mountain States Health Alliance. 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 Nurse Practitioner (9), Hematology/Oncology (3) and Internal Medicine (3). Of these, 6 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 Mountain States Health Alliance was last updated on March 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Johnson City Medical Center, Regional Cancer Center · NPI 1649578386
Clinical organization in Johnson City, Tennessee. Organization record, active in the CMS NPPES registry since March 4, 2011.
## Identity
- **NPI:** 1649578386 (Entity type: Organization)
- **Enumerated:** March 4, 2011
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Legal business name:** Mountain States Health Alliance
- **Organization subpart:** No
- **Authorized official:** Graciela Pereira, AVP
## Practice location
- **Address:** 1 PROFESSIONAL PARK DR, SUITE 21 ROOM C-17, Johnson City, TN 37604-6587
- **Phone:** (423) 232-6900 · **Fax:** (423) 232-6903
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (9), Hematology/Oncology (3), Internal Medicine (3); 6 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1649578386) · Data from the CMS NPPES public registry.