Individual provider Active NPI

Nava Chana Greenfield, MD

  • Dermatology Physician
  • Concord, NH
National Provider Identifier
1093080202
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
20880 Issued in NH
Practice address
253 Pleasant St
Concord, NH 03301-7560
Phone
(603) 226-6119
Fax
(603) 640-1228
NPI assigned
Mar 21, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 282621 NY
Dermatology Physician 207N00000X 20880 NH Primary

Addresses

Primary practice location

253 Pleasant St
Concord, NH 03301-7560

Mailing address

253 Pleasant St
Concord, NH 03301-7560
Phone (603) 226-6119

Other practice location 1

450 Clarkson Ave
Brooklyn, NY 11203-2012
Phone (718) 270-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, 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
I20160819001231 NY Practitioner - Dermatology 7214222934 Reassigns benefits to 1 organization
I20201123002460 NH Practitioner - Dermatology 7214222934 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Albert Einstein College of Medicine of Yeshiva University, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mary Hitchcock Memorial HospitalGroup PAC ID 4486561164, 1,269 clinicians
Schweiger Dermatology PLLCGroup PAC ID 5991947160, 254 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Lebanon, NH 03756-1000
Phone (603) 650-5000

253 Pleasant St
Concord, NH 03301-7560
Phone (603) 226-2200

65 Broadway
Suite 1800
New York, NY 10006-2549
Phone (212) 283-3000

Hospital & facility affiliations

  • Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003

Merit-based Incentive Payment System (MIPS)

Final score
79.66 of 100Reported as apm
Quality
53.51
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
99.15 of 100Reported as group
Promoting interoperability
99
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision1-10
Removal of skin lesions569
Removal or shaving of skin growth1-10
Skin biopsy159

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20880NHMDDermatology Physician
282621NYMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital CurrentSince Oct 1, 2020 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Oct 1, 2020 Accepting new patients
Maimonides Medical Center Current Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Oct 1, 2020 Accepting new patients

Locations

253 Pleasant St
Concord, NH 03301
Phone (603) 226-2200

1 Medical Dr
Lebanon, NH 03756
Phone (603) 650-5922

450 Clarkson Ave
Brooklyn, NY 11203
Phone (718) 270-1603

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: navagreenfield@mai.allscriptsdirect.net
  • Direct secure messaging: ngreenfield404513@direct.dartmouth-hitchcock.org
  • Direct secure messaging: nava.greenfield@schweigerderm.emadirect.md

Organizations & group practices 5

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.

Hospital & facility affiliations 2

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": "1332288000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1093080202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "253 PLEASANT ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033017560",
            "telephone_number": "603-226-6119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "253 PLEASANT ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033017560",
            "telephone_number": "603-226-6119",
            "fax_number": "603-640-1228"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "450 Clarkson Ave",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112032012",
            "country_code": "US",
            "telephone_number": "718-270-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREENFIELD",
        "first_name": "NAVA",
        "middle_name": "CHANA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-21",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NY",
            "license": "282621",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NH",
            "license": "20880",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, NH

Sources for this page

Verify at the official NPI Registry.