Individual provider Active NPI

Jeff Gehlhausen, MD, PHD

  • Dermatology Physician
  • New Haven, CT
National Provider Identifier
1992231302
Registry record updated Dec 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
68647 Issued in CT
Practice address
2 Church St S Ste 305
New Haven, CT 06519-1717
Phone
(203) 785-4445
NPI assigned
May 4, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 27, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 68647 CT Primary

Addresses

Primary practice location

2 Church St S Ste 305
New Haven, CT 06519-1717

Mailing address

Vanderbilt University Medical Ctr
1161 21St Avenue South, D-3100 Medical Center North
Nashville, TN 37232-0001

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20210802002050 CT Practitioner - Dermatology 9234487331 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Indiana University School of Medicine, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

800 Howard Ave
New Haven, CT 06519-1369
Phone (203) 785-2140

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions82
Skin biopsy45

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
68647CTMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University CurrentSince Jul 1, 2021 Accepting new patients
Yale University CurrentSince Jul 1, 2021 Accepting new patients
Yale University Dermatology Current Accepting new patients

Locations

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

50 Division St
New Haven, CT 06511
Phone (203) 785-2140

Interoperability endpoints

  • Direct secure messaging: jgehlhausen396338@direct.ynhh.org

Organizations & group practices 3

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": "1493856000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766793600000",
    "number": "1992231302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "VANDERBILT UNIVERSITY MEDICAL CTR",
            "address_2": "1161 21ST AVENUE SOUTH, D-3100 MEDICAL CENTER NORTH",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372320001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 CHURCH ST S STE 305",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191717",
            "telephone_number": "203-785-4445"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEHLHAUSEN",
        "first_name": "JEFF",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-04",
        "last_updated": "2025-12-27",
        "certification_date": "2025-12-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CT",
            "license": "68647",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.