HUSSIEN A ELSIESY MD
NPI 1265450811
Internal Medicine - Gastroenterology in Dallas, TX

Active since July 18, 2006PECOS EnrolledAccepts Medicare Assignment
777 FOREST LANE, SUITE C339, DALLAS, TX 75230(469) 608-4980 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 13, 2025, Jul 14, 2023, Jun 6, 2023 (3 updates tracked since 2023).

About Hussien A Elsiesy Md NPPES

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

HUSSIEN A ELSIESY MD (NPI 1265450811) is an individual gastroenterology provider in Dallas, Texas, licensed in New York (223659) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Medical City Dallas Hospital, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1265450811
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameHUSSIEN A ELSIESYCredential: MD
Location Address777 FOREST LANE, SUITE C339Dallas, TX 75230
Mailing Address777 Forest Lane, Suite C339Dallas, TX 75230-1002 · (469) 608-4980 · Fax (469) 608-4981
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateJuly 18, 2006
Last NPPES UpdateNovember 13, 20253 updates tracked since enumeration
NPPES CertifiedNovember 13, 2025
✔ NPI 1265450811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in NY · 223659✔ Licensed in CO · DR.0062524✔ Licensed in TX · R2585
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
777 FOREST LANE, Dallas, TX 75230

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

Hussien A Elsiesy 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.

PECOS PAC ID5395636815
PECOS Enrollment IDI20180213001234
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 Reassignments

7

Medicare enrollment records show Hussien Elsiesy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
3600 GASTON AVE STE 550
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 3,167 clinicians in this Medicare group
Surgery
7777 FOREST LN STE B445
Dallas, TX 75230
  • Reassigned Medicare billing, Texas enrollment
  • 14 clinicians in this Medicare group
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group
Multi-Specialty
HARRISBURG SMALL STREET CLINIC, 250 SMALL STREET
Harrisburg, IL 62946
  • Reassigned Medicare billing, Illinois enrollment
  • 74 clinicians in this Medicare group
Internal Medicine
1601 E 19TH AVE STE 4350
Denver, CO 80218
  • Reassigned Medicare billing, Colorado enrollment
  • 35 clinicians in this Medicare group
Gastroenterology
744 HORIZON CT, SUITE 350GI
Grand Junction, CO 81506
  • Reassigned Medicare billing, Colorado enrollment
  • 4 clinicians in this Medicare group
Internal Medicine
800 5TH AVE, STE 600
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 1,270 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 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.
106 services61 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.
70 services68 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
68 services66 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
68 services68 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
50 services50 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
40 services40 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medical City Dallas Hospital

Acute Care Hospitals · Dallas, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450647
Location7777 Forest LaneDallas, TX 75230 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75230 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims330 services$3.25 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims750 services$0.31 avg. paid by Medicare
Sirolimus, oral, 1 mg J7520
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims660 services$2.79 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers19 claims19 services$17.01 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers18 claims18 services$12.68 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
777 FOREST LANE, MEDICAL CITY DALLAS HOSPITAL
DALLAS, TX 75230

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 Hussien Elsiesy's NPI number?

The NPI number for Hussien Elsiesy is 1265450811. It was assigned to this individual provider in the NPPES registry on July 18, 2006.

Where is Hussien Elsiesy located?

Hussien Elsiesy practices at 777 Forest Lane Suite C339, Dallas, TX 75230. The listed phone number is (469) 608-4980.

What is Hussien Elsiesy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Hussien Elsiesy enrolled in Medicare?

Yes. Hussien Elsiesy 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 Hussien Elsiesy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hussien Elsiesy reassigns Medicare benefits to 7 organizations: Healthtexas Provider Network (Dallas, TX), Medical City Transplant, PLLC (Dallas, TX), Christus Trinity Clinic Texas (Tyler, TX), Ferrell Hospital Community Foundation (Harrisburg, IL), Healthone Clinic Services - Medical Specialties LLC (Denver, CO) and 2 more organizations, listed in the Medicare section above. 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 Hussien Elsiesy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hussien Elsiesy accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Cigna Healthcare and Molina Healthcare and 2 other insurers list Hussien Elsiesy 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 Hussien Elsiesy affiliated with any hospitals?

According to CMS data, Hussien Elsiesy is affiliated with Medical City Dallas Hospital.

When was this NPI record last updated?

The NPPES record for Hussien Elsiesy was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.