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MOHAMED AYMAN M ABDELHAMID ELFEKI M.D.
NPI 1790162782
Internal Medicine - Hepatology in Sioux Falls, SD

Active since April 29, 2015PECOS EnrolledAccepts Medicare Assignment
1315 S CLIFF AVE STE 1200, SIOUX FALLS, SD 57105(605) 322-8535 Get Directions Write a Review

NPPES record last updated: March 26, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mohamed Ayman M Abdelhamid Elfeki M.d. NPPES

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

MOHAMED AYMAN M ABDELHAMID ELFEKI M.D. (NPI 1790162782) is an individual hepatology provider in Sioux Falls, South Dakota, licensed in South Dakota (12150) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Spencer Municipal Hospital, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1790162782
Entity TypeIndividualMale
Primary Taxonomy207RI0008X
Provider Legal NameMOHAMED AYMAN M ABDELHAMID ELFEKICredential: M.D.
Location Address1315 S CLIFF AVE STE 1200Sioux Falls, SD 57105-1057
Mailing Address1315 S Cliff Ave Ste 1200Sioux Falls, SD 57105-1057 · (605) 322-8535
Phone(605) 322-8535
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateApril 29, 2015
Last NPPES UpdateMarch 26, 2021
NPPES CertifiedMarch 26, 2021
✔ NPI 1790162782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · HepatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0008X
License✔ Licensed in SD · 12150
Definition
The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.
1315 S CLIFF AVE STE 1200, Sioux Falls, SD 57105
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Avera Health Plans 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

Mohamed Ayman M Abdelhamid Elfeki 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 ID6507135563
PECOS Enrollment IDI20210413002168
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 Mohamed Elfeki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Avera Mckennan
Same address
Psychiatry
911 E 20TH ST, STE. 403
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,277 clinicians in this Medicare group
NPI 1609848175 (605) 322-7516

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.

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.
45 services44 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.
41 services39 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.
37 services19 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.
34 services33 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.
28 services26 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.
26 services26 patients

Hospital Affiliations CMS Care Compare 5

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

Spencer Municipal Hospital

Acute Care Hospitals · Spencer, IA
5/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number160112
Location1200 1st Avenue EastSpencer, IA 51301 · Clay County
Emergency services Birthing friendly

Avera Marshall Regional Medical Ctr

Critical Access Hospitals · Marshall, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number241359
Location300 South Bruce StreetMarshall, MN 56258 · Lyon County
Emergency services

Avera St Lukes

Acute Care Hospitals · Aberdeen, SD
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number430014
Location305 S State St Post Office Box 4450Aberdeen, SD 57401 · Brown County
Emergency services Birthing friendly

Avera St Mary's Hospital

Acute Care Hospitals · Pierre, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430015
Location801 E SiouxPierre, SD 57501 · Hughes County
Emergency services Birthing friendly

Avera Mckennan Hospital & University Health Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430016
Location1325 S Cliff AveSioux Falls, SD 57117 · Minnehaha County
Emergency services Birthing friendly

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 Mohamed Elfeki's NPI number?

The NPI number for Mohamed Elfeki is 1790162782. It was assigned to this individual provider in the NPPES registry on April 29, 2015.

Where is Mohamed Elfeki located?

Mohamed Elfeki practices at 1315 S Cliff Ave Ste 1200, Sioux Falls, SD 57105. The listed phone number is (605) 322-8535.

What is Mohamed Elfeki's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.

Is Mohamed Elfeki enrolled in Medicare?

Yes. Mohamed Elfeki 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 Mohamed Elfeki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamed Elfeki reassigns Medicare benefits to Avera Mckennan (Sioux Falls, SD). 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 Mohamed Elfeki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohamed Elfeki accept?

Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Avera Health Plans, Medica and Wellmark Health Plan of Iowa, Inc. and 1 other insurer list Mohamed Elfeki 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 Mohamed Elfeki affiliated with any hospitals?

According to CMS data, Mohamed Elfeki is affiliated with Spencer Municipal Hospital, Avera Marshall Regional Medical Ctr, Avera St Lukes, Avera St Mary's Hospital and Avera Mckennan Hospital & University Health Center.

When was this NPI record last updated?

The NPPES record for Mohamed Elfeki was last updated on March 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.