CELESTINE CHIMA EMMANUEL ISHIEKWENE M.D. MBA
NPI 1447505243
Internal Medicine - Infectious Disease in Longview, TX

Q: What is Celestine Ishiekwene's NPI number?

The NPI number for Celestine Ishiekwene is 1447505243. It was assigned to this individual provider in the NPPES registry on July 17, 2012.

Q: What is Celestine Ishiekwene's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Active since July 17, 2012PECOS EnrolledAccepts Medicare Assignment

700 E MARSHALL AVE, LONGVIEW, TX 75601(903) 315-1488 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 11, 2026, Mar 30, 2023, May 11, 2020 and 3 more (6 updates tracked since 2018).

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About Celestine Chima Emmanuel Ishiekwene M.d. Mba NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CELESTINE CHIMA EMMANUEL ISHIEKWENE M.D. MBA (NPI 1447505243) is an individual infectious disease provider in Longview, Texas, licensed in Texas (S2995) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1447505243

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameCELESTINE CHIMA EMMANUEL ISHIEKWENECredential: M.D. MBA

Location Address700 E MARSHALL AVELongview, TX 75601-5580

Mailing AddressPo Box 846098Dallas, TX 75284-6098 · (903) 324-6400

Phone(903) 315-1488

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateJuly 17, 2012

Last NPPES UpdateAugust 11, 20266 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1447505243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in TX · S2995✔ Licensed in IA · MD-43908

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedHospitalistTaxonomy 208M00000X · License S2995 (TX)

700 E MARSHALL AVE, Longview, TX 75601

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Secondary Practice Locations 5

Location 12101 W Loop 281 Ste ALongview, TX 75604-2506 · Phone (903) 315-2400

Location 2703 E Marshall Ave Ste 5008Longview, TX 75601-5557 · Phone (903) 315-4880

Location 3700 E Marshall AveLongview, TX 75601 · Phone (903) 315-1488

Location 41227 E Rusholme StDavenport, IA 52803-2459 · Phone (563) 421-4244

Location 5703 E Marshall Ave Ste 3000Longview, TX 75601-5500 · Phone (903) 315-4400

Other Identifiers 3

Other933562TX · Medicare

Medicaid408583901TX

Other8LZ497TX · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, UnitedHealthcare.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

Celestine Chima Emmanuel Ishiekwene M.d. Mba 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.

PECOS PAC ID6901174580

PECOS Enrollment IDI20200212001431

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Celestine Ishiekwene reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Christus Trinity Clinic Texas

35 mi

Family Medicine

520 DOUGLAS BLVD
Tyler, TX 75702

Reassigned Medicare billing, Texas enrollment
2,745 clinicians in this Medicare group

NPI 1285684225 (903) 315-4119

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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

2,111 services374 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

344 services291 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

239 services137 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

162 services80 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

96 services80 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

66 services20 patients

Hospital Affiliations CMS Care Compare 3

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, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450032

Location700 E Marshall AveLongview, TX 75601 · Gregg County

Emergency services Birthing friendly

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Longview Regional Medical Center

Acute Care Hospitals · Longview, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450702

Location2901 N Fourth StLongview, TX 75605 · Gregg County

Emergency services Birthing friendly

Physician 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.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ZEHRA HUSSAIN DO

Internal Medicine