Individual provider Active NPI

Daniel Klein Reef

  • Hematology (Internal Medicine) Physician
  • Chapel Hill, NC
National Provider Identifier
1841752219
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
342522 Issued in NY
Practice address
101 Manning Dr RM 1017
Chapel Hill, NC 27514-4220
Phone
(984) 974-1072
NPI assigned
Apr 3, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 342522 NY Primary

Addresses

Primary practice location

101 Manning Dr RM 1017
Chapel Hill, NC 27514-4220

Mailing address

101 Manning Dr RM 1017
Chapel Hill, NC 27514-4220
Phone (984) 974-1072

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260619002161 NY Practitioner - Hematology 6002297793

Care Compare profile

Medicare Care Compare
Specialty
Hematology
Education
New York Medical College, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1 Park Ave FL
Suite 11
New York, NY 10016-5818

700 Hicksville Rd
Bethpage, NY 11714-3471

National Provider Directory

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

Interoperability endpoints

  • Direct secure messaging: dreef1037772@direct.unc.nchie.net

NPI Registry JSON

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1841752219",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 MANNING DR RM 1017",
            "city": "CHAPEL HILL",
            "state": "NC",
            "postal_code": "275144220",
            "telephone_number": "984-974-1072"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 MANNING DR RM 1017",
            "city": "CHAPEL HILL",
            "state": "NC",
            "postal_code": "275144220",
            "telephone_number": "984-974-1072"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REEF",
        "first_name": "DANIEL",
        "middle_name": "KLEIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-03",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "NY",
            "license": "342522",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chapel Hill, NC

Sources for this page

Verify at the official NPI Registry.