DR. SATHIRAJU UNDAVALLI MD
NPI 1144412099
Internal Medicine in Longview, TX
About Dr. Sathiraju Undavalli Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SATHIRAJU UNDAVALLI MD (NPI 1144412099) is an individual internal medicine provider in Longview, Texas, licensed in Texas (S2185) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Dr. Sathiraju Undavalli 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 Sathiraju Undavalli reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 334 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 2,795 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 5
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.
Christus Good Shepherd Medical Center
Acute Care Hospitals · Longview, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75601 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.
LONGVIEW, TX 75601
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 Sathiraju Undavalli's NPI number?
The NPI number for Sathiraju Undavalli is 1144412099. It was assigned to this individual provider in the NPPES registry on August 14, 2007.
Where is Sathiraju Undavalli located?
Sathiraju Undavalli practices at 700 E Marshall Ave, Longview, TX 75601. The listed phone number is (903) 315-1488.
What is Sathiraju Undavalli's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sathiraju Undavalli enrolled in Medicare?
Yes. Sathiraju Undavalli 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 Sathiraju Undavalli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sathiraju Undavalli reassigns Medicare benefits to 3 organizations: North Texas Physician Services, PLLC (Longview, TX), Christus Trinity Clinic Texas (Tyler, TX) and Scott & White Clinic (Dallas, TX). 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 Sathiraju Undavalli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sathiraju Undavalli accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Sathiraju Undavalli 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 Sathiraju Undavalli affiliated with any hospitals?
According to CMS data, Sathiraju Undavalli is affiliated with Christus Good Shepherd Medical Center.
When was this NPI record last updated?
The NPPES record for Sathiraju Undavalli was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Sathiraju Undavalli, MD · NPI 1144412099
Internal Medicine physician in Longview, Texas. Individual provider, active in the CMS NPPES registry since August 14, 2007.
## Identity
- **NPI:** 1144412099 (Entity type: Individual)
- **Enumerated:** August 14, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** S2185 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 E MARSHALL AVE, Longview, TX 75601-5580
- **Phone:** (903) 315-1488
## 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): North Texas Physician Services, PLLC (NPI 1992586150, Longview, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Scott & White Clinic (NPI 1649820796, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** September 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144412099) · Data from the CMS NPPES public registry.