Celestine Chima Emmanuel Ishiekwene, M.D. MBA
Infectious Disease (CMS) · Longview, TX
At a glance
700 E Marshall Ave, Longview, TX 75601-5580
NPPES record updated Aug 11, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
700 E Marshall AveLongview, TX 75601-5580
Additional reported practice locations
703 E Marshall Ave Ste 3000Longview, TX 756015500
Phone: 9033154400 703 E Marshall Ave Ste 5008
Longview, TX 756015557
Phone: 9033154880 700 E Marshall Ave
Longview, TX 75601
Phone: 9033151488 1227 E Rusholme St
Davenport, IA 528032459
Phone: 5634214244 2101 W Loop 281 Ste A
Longview, TX 756042506
Phone: 9033152400
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2000
- CMS specialties
- Infectious Disease
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Christus Good Shepherd Medical Center Longview, TX
- Christus Mother Frances Hospital Tyler, TX
- Longview Regional Medical Center Longview, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $23.34 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $23.34 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Infectious Disease (CMS)
- Taxonomy code
- 207RI0200X
- Enumeration date
- Jul 17, 2012
- Record updated
- Aug 11, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D. MBA
Reported taxonomies and licenses
208M00000X
License reported: S2995 TX
207RI0200X · Primary
License reported: S2995 TX
207RI0200X
License reported: MD-43908 IA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
700 E Marshall AveLongview, TX 75601-5580
- Phone
- (903) 315-1488
Mailing address
PO BOX 846098DALLAS, TX 752846098
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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