NPIMap

Individual provider Active NPI

Nick Orachukwu Onyemeke, M.D.

  • Hematology & Oncology Physician
  • Ephrata, PA
National Provider Identifier
1730410549
Registry record updated Mar 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
MD440736 Issued in PA
Practice address
460 N Reading Rd
Ephrata, PA 17522-9606
Phone
(717) 721-4840
NPI assigned
Jan 18, 2010
Last updated
Mar 31, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 31, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X MD440736 PA Primary
Hematology & Oncology Physician 207RH0003X 84592 WI

Addresses

Primary practice location

460 N Reading Rd
Ephrata, PA 17522-9606

Mailing address

601 Memory LN
York, PA 17402-2231

Other practice location 1

2494 Bernville Rd Ste G04
Reading, PA 19605-9466
Phone (610) 378-2117

Other practice location 2

844 Tuck St
Lebanon, PA 17042-7477
Phone (717) 274-8875

Other practice location 3

9576 Hwy 70
Minocqua, WI 54548-9067
Phone (715) 358-1767

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, WI2 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
I20101201000718 PA Practitioner - Medical OncologyPractitioner - Internal MedicinePractitioner - Hematology/Oncology 0345436416 Reassigns benefits to 1 organization
I20240701000329 WI Practitioner - Hematology/OncologyPractitioner - Internal Medicine 0345436416 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

9576 Hwy 70
Minocqua, WI 54548-9067
Phone (715) 358-1710

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.31 of 100Reported as group
Quality
55.01
Promoting interoperability
99
Improvement activities
40
Cost
76.86

Merit-based Incentive Payment System (MIPS)

Final score
80.58 of 100Reported as group
Quality
55.5
Promoting interoperability
100
Improvement activities
40
Cost
71.46

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
84592WIMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hospital Inc CurrentSince Jun 17, 2024 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jun 17, 2024 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Flambeau Hospital Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Jun 17, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Jun 17, 2024 Accepting new patients
Memorial Hospital Inc CurrentSince Jun 17, 2024 Accepting new patients
MCHS Hospitals Inc CurrentSince Jun 17, 2024 Accepting new patients
Good Samaritan Physician Services Current Accepting new patients
Flambeau Hospital Inc CurrentSince Jun 17, 2024 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jun 17, 2024 Accepting new patients
Mon-Vale Oncology, Inc. Hematology & Oncology CurrentSince Dec 17, 2023 Accepting new patients
Marshfield Clinic Inc CurrentSince Jun 17, 2024 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Jun 17, 2024 Accepting new patients

Locations

460 N Reading Rd
Ephrata, PA 17522
Phone (717) 721-4840

1163 Country Club Rd
Monongahela, PA 15063
Phone (724) 258-1000

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

9576 State Highway 70
Minocqua, WI 54548
Phone (715) 358-1000

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Interoperability endpoints

  • Direct secure messaging: nonyemeke@monvaleoncology.medentdirect.com
  • Direct secure messaging: nonyemeke419215@wellspan.direct-ci.com

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 11

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

NPI Registry JSON

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

{
    "created_epoch": "1263772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774915200000",
    "number": "1730410549",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "460 N READING RD",
            "city": "EPHRATA",
            "state": "PA",
            "postal_code": "175229606",
            "telephone_number": "717-721-4840"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2494 Bernville Rd Ste G04",
            "address_purpose": "LOCATION",
            "city": "Reading",
            "state": "PA",
            "postal_code": "196059466",
            "country_code": "US",
            "telephone_number": "610-378-2117",
            "fax_number": "610-378-2674",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "844 Tuck St",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170427477",
            "country_code": "US",
            "telephone_number": "717-274-8875",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9576 Hwy 70",
            "address_purpose": "LOCATION",
            "city": "Minocqua",
            "state": "WI",
            "postal_code": "545489067",
            "country_code": "US",
            "telephone_number": "715-358-1767",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONYEMEKE",
        "first_name": "NICK",
        "middle_name": "ORACHUKWU",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-01-18",
        "last_updated": "2026-03-31",
        "certification_date": "2026-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "PA",
            "license": "MD440736",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WI",
            "license": "84592",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ephrata, PA

Sources for this page

Verify at the official NPI Registry.