Individual provider Active NPI

Janel Lacey Nielsen, D.O.

  • Anesthesiology Physician
  • Dover, NH
National Provider Identifier
1477743771
Registry record updated Dec 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
2253 Issued in ME
Practice address
789 Central Ave
Dover, NH 03820-2526
Phone
(603) 609-6819
NPI assigned
Aug 1, 2007
Last updated
Dec 2, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 2, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X OTO11501 PA
Anesthesiology Physician 207L00000X 25734 NH
Anesthesiology Physician 207L00000X 2253 ME Primary
Anesthesiology Physician 207L00000X 4063 IA

Addresses

Primary practice location

789 Central Ave
Dover, NH 03820-2526

Mailing address

PO Box 412503
Boston, MA 02241-2503

Other practice location 1

15 Hospital Dr
York, ME 03909-1011
Phone (801) 450-4790

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME, NH2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20120111000085 ME Practitioner - Anesthesiology 6800928896 Reassigns benefits to 1 organization
I20251208001887 NH Practitioner - Anesthesiology 6800928896 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Des Moines University of Osteopathic Medicine and Health Sciences, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
York HospitalGroup PAC ID 6406766781, 202 clinicians

Practice addresses (Care Compare)

15 Hospital Dr
York, ME 03909-1011
Phone (207) 363-4321

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2253MEMDAnesthesiology Physician
25734NHMDAnesthesiology Physician
OTO11501PAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Seacoast Pathology Inc Current Accepting new patients
Wentworth Douglass Physician Corporation CurrentSince Dec 1, 2025 Accepting new patients
York Hospital CurrentSince Oct 5, 2011 Accepting new patients
Wentworth Douglass Physician Corporation Current Accepting new patients

Locations

15 Hospital Dr
York, ME 03909
Phone (207) 351-2478

789 Central Ave
Dover, NH 03820
Phone (603) 740-2832

158 Route 108
Ste 100
Somersworth, NH 03878
Phone (603) 609-6189

Organizations & group practices 4

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 1

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": "1185926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1477743771",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 412503",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022412503"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "789 CENTRAL AVE",
            "city": "DOVER",
            "state": "NH",
            "postal_code": "038202526",
            "telephone_number": "603-609-6819"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "ME",
            "postal_code": "039091011",
            "country_code": "US",
            "telephone_number": "801-450-4790",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "JANEL",
        "middle_name": "LACEY",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-01",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "OTO11501",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NH",
            "license": "25734",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "ME",
            "license": "2253",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IA",
            "license": "4063",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dover, NH

Sources for this page

Verify at the official NPI Registry.