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MOHAMED EL ZEIN-AHMED M.D.
NPI 1376596932
Internal Medicine in Columbus, MS

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
2520 5TH STREET N., COLUMBUS, MS 39705(662) 244-2042(662) 244-2041 Get Directions Write a Review

NPPES record last updated: March 20, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mohamed El Zein-ahmed M.d. NPPES

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

MOHAMED EL ZEIN-AHMED M.D. (NPI 1376596932) is an individual internal medicine provider in Columbus, Mississippi, licensed in Mississippi (13710) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Merit Health River Region, and is a graduate of Other (1979).

NPPES Registry Identity

NPI1376596932
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMOHAMED EL ZEIN-AHMEDCredential: M.D.
Location Address2520 5TH STREET N.Columbus, MS 39705
Mailing AddressPo Box 22727Jackson, MS 39225-2727 · (601) 200-4880 · Fax (601) 200-0988
Phone(662) 244-2042
Fax(662) 244-2041
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateMay 17, 2006
Last NPPES UpdateMarch 20, 2019
✔ NPI 1376596932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MS · 13710
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2520 5TH STREET N., Columbus, MS 39705
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health 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 El Zein-ahmed 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 ID5698726297
PECOS Enrollment IDI20050203000322
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

2

Medicare enrollment records show Mohamed Zein-ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mississippi Hma Hospitalists, LLC
128 mi
Hospitalist
1040 RIVER OAKS DR, SUITE 103
Flowood, MS 39232
  • Reassigned Medicare billing, Mississippi enrollment
  • 87 clinicians in this Medicare group
NPI 1245578558 (601) 933-5405
Vicksburg Healthcare LLC
160 mi
Anesthesiology
2100 HIGHWAY 61 N
Vicksburg, MS 39183
  • Reassigned Medicare billing, Mississippi enrollment
  • 35 clinicians in this Medicare group
NPI 1629084058 (601) 883-5695

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 3

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.
475 services156 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
132 services120 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.
73 services70 patients

Hospital Affiliations CMS Care Compare 2

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

Merit Health River Region

Acute Care Hospitals · Vicksburg, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250031
Location2100 Hwy 61 NVicksburg, MS 39183 · Warren County
Emergency services Birthing friendly

Merit Health Central

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250072
Location1850 Chadwick DrJackson, MS 39204 · Hinds County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39705 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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.

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 Zein-ahmed's NPI number?

The NPI number for Mohamed Zein-ahmed is 1376596932. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Mohamed Zein-ahmed located?

Mohamed Zein-ahmed practices at 2520 5th Street N., Columbus, MS 39705. The listed phone number is (662) 244-2042.

What is Mohamed Zein-ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mohamed Zein-ahmed enrolled in Medicare?

Yes. Mohamed Zein-ahmed 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 Mohamed Zein-ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohamed Zein-ahmed reassigns Medicare benefits to 2 organizations: Mississippi Hma Hospitalists, LLC (Flowood, MS) and Vicksburg Healthcare LLC (Vicksburg, MS). 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 Mohamed Zein-ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mohamed Zein-ahmed accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Mohamed Zein-ahmed 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 Zein-ahmed affiliated with any hospitals?

According to CMS data, Mohamed Zein-ahmed is affiliated with Merit Health River Region and Merit Health Central.

When was this NPI record last updated?

The NPPES record for Mohamed Zein-ahmed was last updated on March 20, 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.