NPIMap

Individual provider Active NPI

Nicola Louise Hempel, ACNP-BC

  • Nurse Practitioner
  • Boulder, CO
National Provider Identifier
1114286440
Registry record updated Jan 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
2305643 Issued in MA
Practice address
4743 Arapahoe Ave Ste 100
Boulder, CO 80303-1123
Phone
(303) 415-4599
Fax
(303) 443-9497
NPI assigned
May 7, 2012
Last updated
Jan 23, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 2305643 MA Primary
Acute Care Nurse Practitioner 363LA2100X 16672 TN
Acute Care Nurse Practitioner 363LA2100X APN.0998761-NP CO

Addresses

Primary practice location

4743 Arapahoe Ave Ste 100
Boulder, CO 80303-1123

Mailing address

PO Box 9049
Boulder, CO 80301-9049
Phone (303) 415-4599

Other practice location 1

55 Fruit St
Boston, MA 02241-9095
Phone (617) 716-2000

Other practice location 2

101 Erie Pkwy Ste 201G
Erie, CO 80516-4072
Phone (303) 415-4599

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, CO2 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
I20161011001660 MA Practitioner - Nurse Practitioner 8729237185 Reassigns benefits to 2 organizations
I20241021000315 CO Practitioner - Nurse Practitioner 8729237185 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
16672TNMDPhysical Therapist
2305643MAMDNurse Practitioner
APN.0998761-NPCOMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Sep 12, 2016 Accepting new patients
Boulder Community Health CurrentSince Nov 1, 2024 Accepting new patients
Boulder Community Health CurrentSince Nov 1, 2024 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Sep 12, 2016 Accepting new patients
Boulder Community Health Current Accepting new patients
Boulder Community Health Past Accepting new patients
Boulder Community Health Past Accepting new patients

Locations

1755 48th St
Ste 200
Boulder, CO 80301
Phone (303) 415-7450

4743 Arapahoe Ave
Ste 100
Boulder, CO 80303
Phone (303) 415-4599

101 Erie Pkwy
Ste 201G
Erie, CO 80516
Phone (303) 415-4599

55 Fruit St
Boston, MA 02114

55 Fruit St
#110
Boston, MA 02114
Phone (617) 724-4100

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

Organizations & group practices 7

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": "1336348800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1114286440",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9049",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803019049",
            "telephone_number": "303-415-4599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4743 ARAPAHOE AVE STE 100",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803031123",
            "telephone_number": "303-415-4599",
            "fax_number": "303-443-9497"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022419095",
            "country_code": "US",
            "telephone_number": "617-716-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Erie Pkwy Ste 201G",
            "address_purpose": "LOCATION",
            "city": "Erie",
            "state": "CO",
            "postal_code": "805164072",
            "country_code": "US",
            "telephone_number": "303-415-4599",
            "fax_number": "303-443-9497",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HEMPEL",
        "first_name": "NICOLA",
        "middle_name": "LOUISE",
        "credential": "ACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-05-07",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MA",
            "license": "2305643",
            "primary": true
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TN",
            "license": "16672",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CO",
            "license": "APN.0998761-NP",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boulder, CO

Sources for this page

Verify at the official NPI Registry.