NPIMap

Individual provider Active NPI

Nathaniel Evan Eldredge, M.D.

  • Cardiovascular Disease Physician
  • Muncy, PA
National Provider Identifier
1881038073
Registry record updated Apr 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
MD466470 Issued in PA
Practice address
255 Route 220 Hwy
Muncy, PA 17756-7568
Phone
(570) 368-2870
NPI assigned
Apr 18, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MT204839 PA
Cardiovascular Disease Physician 207RC0000X MD466470 PA Primary

Addresses

Primary practice location

255 Route 220 Hwy
Muncy, PA 17756-7568

Mailing address

100 N Academy Ave
Danville, PA 17822-4903
Phone (570) 271-6144

Other practice location 1

780 Broad St Ste 4
Montoursville, PA 17754-2419
Phone (570) 368-2870

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address neldredge108876@direct.geisinger.edu Direct
Direct Messaging Address neldredge108876@direct.geisinger.edu Direct

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190528001161 PA Practitioner - Cardiovascular Disease (Cardiology) 8224333661 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Temple University School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Geisinger Clinic 3,432 clinicians
Geisinger-HM Joint Venture LLC 426 clinicians

Practice addresses (Care Compare)

100 N Academy Ave
Danville, PA 17822-9800
Phone (570) 271-6541

780 Broad St
Montoursville, PA 17754-2419
Phone (570) 368-2870

Hospital & facility affiliations

  • Geisinger Medical Center Hospital, Danville, PA, CCN 390006
  • Geisinger-Bloomsburg Hospital Hospital, Bloomsburg, PA, CCN 390003
  • Geisinger Jersey Shore Hospital Hospital, Jersey Shore, PA, CCN 391300
  • Wellspan Evangelical Community Hospital Hospital, Lewisburg, PA, CCN 390013
  • Upmc Williamsport Hospital, Williamsport, PA, CCN 390045

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MT204839PAMDInternal Medicine Physician
MD466470PAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger Clinic CurrentSince Jul 1, 2019 Accepting new patients
Evangelical Medical Services Organization Internal Medicine CurrentSince Sep 1, 2019 Accepting new patients
Geisinger-HM Joint Venture, LLC Current Accepting new patients
Evangelical Medical Services Organization CurrentSince Sep 1, 2019 Accepting new patients
Wellspan Medical Group Current Accepting new patients
Wellspan Medical Group CurrentSince Dec 1, 2025 Accepting new patients
Geieinger Clinic CurrentSince Jul 1, 2019 Accepting new patients
Geisinger Clinic Current Accepting new patients
Wellspan Medical Group CurrentSince Dec 1, 2025 Accepting new patients
Geisinger-HM Joint Venture LLC Internal Medicine CurrentSince Sep 1, 2019 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Sep 1, 2019 Accepting new patients
Geisinger Medical Center Past Accepting new patients

Locations

100 N Academy Ave
Danville, PA 17822

25 Lystra Rogers Dr
Lewisburg, PA 17837
Phone (570) 523-3290

3 Hospital Dr
Ste 206
Lewisburg, PA 17837
Phone (570) 522-9771

10 Choate Cir
Montoursville, PA 17754
Phone (570) 368-5566

780 Broad St
Montoursville, PA 17754
Phone (570) 368-2870

780 Broad St
Ste 4
Montoursville, PA 17754
Phone (570) 368-2870

255 Route 220 Hwy
Muncy, PA 17756
Phone (570) 308-2600

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

Interoperability endpoints

  • Direct secure messaging: neldredge489787@wellspan.direct-ci.com
  • Direct secure messaging: neldredge108876@direct.geisinger.edu

Organizations & group practices 19

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 19

Hospital & facility affiliations 38

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

View all 38

NPI Registry JSON

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

{
    "created_epoch": "1366243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745539200000",
    "number": "1881038073",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 N ACADEMY AVE",
            "city": "DANVILLE",
            "state": "PA",
            "postal_code": "178224903",
            "telephone_number": "570-271-6144",
            "fax_number": "570-271-6578"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "255 ROUTE 220 HWY",
            "city": "MUNCY",
            "state": "PA",
            "postal_code": "177567568",
            "telephone_number": "570-368-2870"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "780 Broad St Ste 4",
            "address_purpose": "LOCATION",
            "city": "Montoursville",
            "state": "PA",
            "postal_code": "177542419",
            "country_code": "US",
            "telephone_number": "570-368-2870",
            "fax_number": "570-368-4463",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ELDREDGE",
        "first_name": "NATHANIEL",
        "middle_name": "EVAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-18",
        "last_updated": "2025-04-25",
        "certification_date": "2025-04-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MT204839",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "PA",
            "license": "MD466470",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "neldredge108876@direct.geisinger.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "780 Broad St Ste 4",
            "city": "Montoursville",
            "state": "PA",
            "country_code": "US",
            "postal_code": "177542419",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "neldredge108876@direct.geisinger.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "255 Route 220 Hwy",
            "city": "Muncy",
            "state": "PA",
            "country_code": "US",
            "postal_code": "177567568",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Muncy, PA

Sources for this page

Verify at the official NPI Registry.