DR. AMMAR NASSRI M.D
NPI 1548689409
Internal Medicine - Gastroenterology in Rockwall, TX

Q: What is Ammar Nassri's NPI number?

The NPI number for Ammar Nassri is 1548689409. It was assigned to this individual provider in the NPPES registry on April 8, 2014.

Q: What is Ammar Nassri's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ammar Nassri was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 08, 2014PECOS EnrolledAccepts Medicare Assignment

3144 HORIZON RD STE 210, ROCKWALL, TX 75032(972) 771-2222(972) 771-3350 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 7, 2025, Jul 17, 2020, Oct 16, 2019 (3 updates tracked since 2019).

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About Dr. Ammar Nassri M.d NPPES

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

DR. AMMAR NASSRI M.D (NPI 1548689409) is an individual gastroenterology provider in Rockwall, Texas, licensed in Texas (U9614) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Kaufman, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1548689409

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. AMMAR NASSRICredential: M.D

Location Address3144 HORIZON RD STE 210Rockwall, TX 75032-7047

Mailing AddressPo Box 35629Dallas, TX 75235-0629 · (214) 424-2200 · Fax (214) 231-2159

Phone(972) 771-2222

Fax(972) 771-3350

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateApril 8, 2014

Last NPPES UpdateApril 7, 20253 updates tracked since enumeration

NPPES CertifiedApril 7, 2025

✔ NPI 1548689409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in TX · U9614✔ Licensed in MA · 282420

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License BP10049996 (TX), ME136246 (FL)

3144 HORIZON RD STE 210, Rockwall, TX 75032

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Secondary Practice Locations 4

Location 1601 E 15th St, University Medical Center Brackenridge, 601 E 15th StAustin, TX 78701-1930 · Phone (512) 324-8355

Location 2655 W 8th StJacksonville, FL 32209-6511 · Phone (904) 244-0411

Location 381 Highland AveSalem, MA 01970-2768 · Phone (978) 741-1200

Location 455 Fruit StBoston, MA 02114-2696 · Phone (617) 726-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ammar Nassri 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.

PECOS PAC ID6507142205

PECOS Enrollment IDI20250220003605

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.

Areas of Expertise CMS Part B claims 14

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.

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.

77 services75 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.

76 services76 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

54 services54 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.

44 services40 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

35 services31 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.

31 services31 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.

31 services31 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

23 services22 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

22 services22 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

22 services22 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

15 services15 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

15 services15 patients

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.

11 services11 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Texas Health Presbyterian Hospital Kaufman

Acute Care Hospitals · Kaufman, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number450292

Location850 Ed HallKaufman, TX 75142 · Kaufman County

Emergency services

Hunt Regional Medical Center

Acute Care Hospitals · Greenville, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450352

Location4215 Joe Ramsey Blvd EGreenville, TX 75401 · Hunt County

Emergency services Birthing friendly

Texas Health Presbyterian Hospital Rockwall

Acute Care Hospitals · Rockwall, TX

5/5 CMS rating

OwnershipProprietary

CMS Certification Number670044

Location3150 Horizon RoadRockwall, TX 75032 · Rockwall County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75032 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 14

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

MASHAER SUNBUL RAJAN

Physician Assistant (Medical)