CHARLES P ISBELL M.D.
NPI 1497700785
Emergency Medicine in Tyler, TX
About Charles P Isbell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES P ISBELL M.D. (NPI 1497700785) is an individual emergency medicine provider in Tyler, Texas, licensed in Texas (J0014) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Medical Branch At Galveston (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Charles P Isbell M.d. 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
2Medicare enrollment records show Charles Isbell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75703 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Charles Isbell's NPI number?
The NPI number for Charles Isbell is 1497700785. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is Charles Isbell located?
Charles Isbell practices at 5414 S Broadway Ave, Tyler, TX 75703. The listed phone number is (903) 581-1601.
What is Charles Isbell's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Charles Isbell enrolled in Medicare?
Yes. Charles Isbell 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 Charles Isbell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Isbell reassigns Medicare benefits to 2 organizations: Mother Frances Hospital Regional Health Care Center (Tyler, TX) and Christus Trinity Clinic Texas (Tyler, 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 Charles Isbell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Isbell accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First and UnitedHealthcare list Charles Isbell 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 Charles Isbell was last updated on May 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Charles P Isbell, M.D. · NPI 1497700785
Emergency Medicine physician in Tyler, Texas. Individual provider, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1497700785 (Entity type: Individual)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** J0014 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 5414 S BROADWAY AVE, Tyler, TX 75703-1335
- **Phone:** (903) 581-1601
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mother Frances Hospital Regional Health Care Center (NPI 1679578439, Tyler, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 1990
## Record status
- **NPPES last updated:** May 12, 2021
- **Other identifiers:** Medicaid 137957014 (TX); Medicaid 137957015 (TX); Other 1N3844 (TX); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1497700785) · Data from the CMS NPPES public registry.