DR. AHMED DIA ELDIN ELNAIEM MD
NPI 1497335616
Internal Medicine - Gastroenterology in Rochester, MN

Active since April 12, 2021PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 16, 2025, May 7, 2025, Mar 10, 2025 and 1 more (4 updates tracked since 2021).

About Dr. Ahmed Dia Eldin Elnaiem Md NPPES

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

DR. AHMED DIA ELDIN ELNAIEM MD (NPI 1497335616) is an individual gastroenterology provider in Rochester, Minnesota, licensed in Minnesota (79444) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1497335616
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. AHMED DIA ELDIN ELNAIEMCredential: MD
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2021
Enumeration DateApril 12, 2021
Last NPPES UpdateDecember 16, 20254 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
NPI 1497335616 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 MN · 79444
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.

200 1ST ST SW, Rochester, MN 55905

Secondary Practice Location 1

Location 175 Francis StBoston, MA 02115-6106 · Phone (617) 732-5500

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. Ahmed Dia Eldin Elnaiem 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 ID4981005832
PECOS Enrollment IDI20250513000247
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.

Hospital Affiliations CMS Care Compare 2

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

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Mayo Clinic Health System-Franciscan Medical Center Inc

Acute Care Hospitals · La Crosse, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520004
Location700 West Avenue SouthLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 20

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

Radiology (Diagnostic Radiology)
200 1ST ST SW
ROCHESTER, MN 55905
Dermatology
200 1ST ST SW
ROCHESTER, MN 55905
Physician Assistant
200 1ST ST SW
ROCHESTER, MN 55905
Genetic Counselor, MS
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Psychiatry & Neurology (Psychiatry)
200 1ST ST SW
ROCHESTER, MN 55905
Pharmacist
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497335616, enumerated as an "individual" on April 12, 2021.

The provider is located at 200 1ST ST SW ROCHESTER, MN 55905 and the phone number is (507) 284-2511.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

Ahmed Elnaiem is affiliated with: MAYO CLINIC HOSPITAL ROCHESTER and MAYO CLINIC HEALTH SYSTEM-FRANCISCAN MEDICAL CENTER INC.