Individual provider Active NPI

Alec Faggen, MD

  • Gastroenterology Physician
  • Washington, DC
National Provider Identifier
1801326988
Registry record updated Jul 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
35161 Issued in NH
Practice address
5215 Loughboro Rd NW Ste 1020
Washington, DC 20016-2618
Phone
(202) 660-5555
NPI assigned
Jun 12, 2017
Last updated
Jul 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X D96588 MD
Gastroenterology Physician 207RG0100X MD21003166 DC
Gastroenterology Physician 207RG0100X 35161 NH Primary

Addresses

Primary practice location

5215 Loughboro Rd NW Ste 1020
Washington, DC 20016-2618

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-6423

Other practice location 1

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 667-7000

Other practice location 2

580 Court St
Keene, NH 03431-1718
Phone (603) 354-5400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, 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
I20230620001006 DC Practitioner - Gastroenterology 8224300173
I20250730004664 NH Practitioner - Gastroenterology 8224300173 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians

Practice addresses (Care Compare)

580 Court St
Keene, NH 03431-1718
Phone (603) 354-5400

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.31 of 100Reported as group
Quality
73.89
Promoting interoperability
100
Improvement activities
40
Cost
70.47

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy27
Upper gastrointestinal (GI) endoscopy for acid reflux25

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD21003166DCMDGastroenterology Physician
35161NHMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mary Hitchcock Memorial Hospital Current Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Jul 23, 2025 Accepting new patients
Cheshire Medical Center CurrentSince Jul 23, 2025 Accepting new patients
Dartmouth-Hitchcock Clinic CurrentSince Jul 23, 2025 Accepting new patients
Dartmouth-Hitchcock Clinic Gastroenterology CurrentSince Jul 23, 2025 Accepting new patients
Mary Hitchcock Memorial Hospital CurrentSince Aug 25, 2025 Accepting new patients

Locations

580 Court St
Keene, NH 03431
Phone (603) 354-5454

590 Court St
Keene, NH 03431
Phone (603) 354-5454

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

Organizations & group practices 6

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": "1497225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1801326988",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5215 LOUGHBORO RD NW STE 1020",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200162618",
            "telephone_number": "202-660-5555"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155400",
            "country_code": "US",
            "telephone_number": "617-667-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "580 Court St",
            "address_purpose": "LOCATION",
            "city": "Keene",
            "state": "NH",
            "postal_code": "034311718",
            "country_code": "US",
            "telephone_number": "603-354-5400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FAGGEN",
        "first_name": "ALEC",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-12",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "D96588",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "DC",
            "license": "MD21003166",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NH",
            "license": "35161",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.