Active NPI
Ahmed Dia Eldin Elnaiem, MD
- Gastroenterology Physician
- Rochester, MN
National Provider Identifier
1497335616
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 79444
- Practice address
- 200 1St St SW
Rochester, MN 55905-0001 - Phone
- (507) 284-2511
- NPI assigned
- Apr 12, 2021
- Last updated
- Dec 16, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | 79444 | MN | Primary |
Addresses
Primary practice location
200 1St St SW
Rochester, MN 55905-0001
Mailing address
PO Box 860912
Minneapolis, MN 55486-0912
Phone (507) 284-2511
Other practice location 1
75 Francis St
Boston, MA 02115-6106
Phone (617) 732-5500
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | aelnaiem2514853@ehrdirect.mayoclinicmsg.org |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Harvard Medical School, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 79444 | MN | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mayo Clinic | Current | Accepting new patients | |
| Mayo Clinic | Current | Accepting new patients | |
| Mayo Clinic | Gastroenterology | Current | Accepting new patients |
Locations
200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850
Interoperability endpoints
- aelnaiem2514853@ehrdirect.mayoclinicmsg.org
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Clinical Medical Laboratory
- Rochester, MN
- NPI 1083249577
-
- Medical Specialty Clinic/Center
- Rochester, MN
- NPI 1427235068
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Mayo Clinic Health System-Albert Lea and Austin
- General Acute Care Hospital
- Albert Lea, MN
- NPI 1346258100
-
- General Acute Care Hospital
- Rochester, MN
- NPI 1841266194
-
dba Franciscan Healthcare - La Crosse
- General Acute Care Hospital
- La Crosse, WI
- NPI 1801874227
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618185600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765843200000",
"number": "1497335616",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 860912",
"city": "MINNEAPOLIS",
"state": "MN",
"postal_code": "554860912",
"telephone_number": "507-284-2511"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "200 1ST ST SW",
"city": "ROCHESTER",
"state": "MN",
"postal_code": "559050001",
"telephone_number": "507-284-2511"
}
],
"practiceLocations": [
{
"address_1": "75 Francis St",
"address_purpose": "LOCATION",
"city": "Boston",
"state": "MA",
"postal_code": "021156106",
"country_code": "US",
"telephone_number": "617-732-5500",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ELNAIEM",
"first_name": "AHMED",
"middle_name": "DIA ELDIN",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-04-12",
"last_updated": "2025-12-16",
"certification_date": "2025-12-16",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "MN",
"license": "79444",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "aelnaiem2514853@ehrdirect.mayoclinicmsg.org",
"affiliation": "N",
"address_1": "200 1st St SW",
"city": "Rochester",
"state": "MN",
"country_code": "US",
"postal_code": "559050001",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}Other providers in Rochester, MN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.