NPIMap

Individual provider Active NPI

Diego Alcaraz Alvarez, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Omaha, NE
National Provider Identifier
1376992446
Registry record updated Aug 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
MD473140 Issued in PA
Practice address
4350 Emile Street
Omaha, NE 68105
Phone
(402) 559-8700
NPI assigned
Jun 8, 2016
Last updated
Aug 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 7248941 ZZ
Internal Medicine Physician 207R00000X 8400 NE
Endocrinology, Diabetes & Metabolism Physician 207RE0101X MD473140 PA Primary

Addresses

Primary practice location

4350 Emile Street
Omaha, NE 68105

Mailing address

988102 Nebraska Medical Ctr
Omaha, NE 68198-8102

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NE2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210609000231 PA Practitioner - Endocrinology 4486982220 Reassigns benefits to 1 organization
I20260331001792 NE Practitioner - Endocrinology 4486982220 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Geisinger ClinicGroup PAC ID 5395657001, 3,432 clinicians
Unmc PhysiciansGroup PAC ID 6002728391, 1,490 clinicians

Practice addresses (Care Compare)

3 W Olive St
Scranton, PA 18508-2572
Phone (570) 207-5970

Emile 42ND St
Omaha, NE 68198-0001
Phone (402) 559-4015

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
7248941ZZMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger Clinic Current Accepting new patients
Geisinger Clinic CurrentSince Jul 5, 2021 Accepting new patients
Geisinger Clinic CurrentSince Jul 5, 2021 Accepting new patients
Geisinger Clinic Past Accepting new patients

Locations

100 N Academy Ave
Danville, PA 17822

3 W Olive St
Scranton, PA 18508
Phone (570) 207-4054

Interoperability endpoints

  • Direct secure messaging: dalcarazalvarez463490@direct.geisinger.edu
  • Direct secure messaging: diego.alcaraz.1@18107.direct.athenahealth.com

Organizations & group practices 5

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.

Hospital & facility affiliations 35

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 35

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1465344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1376992446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "988102 NEBRASKA MEDICAL CTR",
            "city": "OMAHA",
            "state": "NE",
            "postal_code": "681988102"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4350 EMILE STREET",
            "city": "OMAHA",
            "state": "NE",
            "postal_code": "68105",
            "telephone_number": "402-559-8700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALCARAZ ALVAREZ",
        "first_name": "DIEGO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-08",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "ZZ",
            "license": "7248941",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NE",
            "license": "8400",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "PA",
            "license": "MD473140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Omaha, NE

Sources for this page

Verify at the official NPI Registry.