DR. AMIR N REZK M.D.
NPI 1558626234
Internal Medicine - Gastroenterology in Rock Hill, SC

Q: What is Amir Rezk's NPI number?

The NPI number for Amir Rezk is 1558626234. It was assigned to this individual provider in the NPPES registry on July 9, 2012.

Q: What is Amir Rezk'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 Amir Rezk was last updated on March 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since July 09, 2012PECOS EnrolledAccepts Medicare Assignment

78.71/100

CMS Quality Rating

170 AMENDMENT AVE, ROCK HILL, SC 29732(803) 324-7607(803) 324-4097 Get Directions Write a Review

NPPES record last updated: March 23, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 23, 2019, Jun 26, 2018 (2 updates tracked since 2018).

On this page

About Dr. Amir N Rezk M.d. NPPES

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

DR. AMIR N REZK M.D. (NPI 1558626234) is an individual gastroenterology provider in Rock Hill, South Carolina, licensed in South Carolina (MD51882) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Piedmont Medical Center, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1558626234

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. AMIR N REZKCredential: M.D.

Location Address170 AMENDMENT AVERock Hill, SC 29732

Mailing Address170 Amendment AveRock Hill, SC 29732-3073 · (803) 324-7607 · Fax (803) 324-4097

Phone(803) 324-7607

Fax(803) 324-4097

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateJuly 9, 2012

Last NPPES UpdateMarch 23, 20192 updates tracked since enumeration

✔ NPI 1558626234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in SC · MD51882

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.

170 AMENDMENT AVE, Rock Hill, SC 29732

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.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

Dr. Amir N Rezk 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 ID8022312149

PECOS Enrollment IDI20180524002327

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 Amir Rezk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Digestive Disease Associates Of York Coutny PA

Same address

Specialist

170 AMENDMENT AVE
Rock Hill, SC 29732

Reassigned Medicare billing, South Carolina enrollment
9 clinicians in this Medicare group

NPI 1083679427 (803) 324-7607

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 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.

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.

123 services97 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

87 services87 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.

81 services75 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.

69 services67 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.

65 services64 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.

60 services59 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.

56 services56 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.

27 services18 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

23 services21 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

23 services21 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

18 services18 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

17 services17 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

16 services16 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.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Piedmont Medical Center

Acute Care Hospitals · Rock Hill, SC

2/5 CMS rating

OwnershipProprietary

CMS Certification Number420002

Location1731 Frank Gaston BlvdRock Hill, SC 29732 · York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29732 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.71/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.4

Improvement Activities

Cost

52.49

Other Providers at the Same Location NPPES 15

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

SARAH ELIZABETH CHRIST FNP

Nurse Practitioner (Family)

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

DIGESTIVE DISEASE ASSOCIATES OF YORK COUTNY PA

Specialist

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

RANDOLPH L RODRIGUE MD

Internal Medicine (Gastroenterology)

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

NIRAV N PATEL MD

Specialist

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

STEPHEN J BOTT MD

Internal Medicine (Gastroenterology)

170 AMENDMENT AVE, DIGESTIVE DISEASE ASSOCIATES OF YORK COUNTY PA
ROCK HILL, SC 29732

York County (803) 324-7607

BIRJU DIPAK SHAH D.O.

Internal Medicine (Gastroenterology)

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

DR. CHIEMEZIEM GOOD EKE MD

Internal Medicine (Gastroenterology)

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 326-5254

LIUDMILA SIARHEEUNA CASSIDY

Nurse Practitioner (Adult Health)

170 AMENDMENT AVE
ROCK HILL, SC 29732

York County (803) 324-7607

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 Amir Rezk's NPI number?

The NPI number for Amir Rezk is 1558626234. It was assigned to this individual provider in the NPPES registry on July 9, 2012.

Where is Amir Rezk located?

Amir Rezk practices at 170 Amendment Ave, Rock Hill, SC 29732. The listed phone number is (803) 324-7607.

What is Amir Rezk's specialty?

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

Is Amir Rezk enrolled in Medicare?

Yes. Amir Rezk 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 organization bills Medicare for Amir Rezk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amir Rezk reassigns Medicare benefits to Digestive Disease Associates Of York Coutny PA (Rock Hill, SC). The 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 Amir Rezk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amir Rezk accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and InStil Health and 2 other insurers list Amir Rezk 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 Amir Rezk affiliated with any hospitals?

According to CMS data, Amir Rezk is affiliated with Piedmont Medical Center.

When was this NPI record last updated?

The NPPES record for Amir Rezk was last updated on March 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.