Individual provider Active NPI

Nicholas Duff Hazen, M.D.

  • Obstetrics & Gynecology Physician
  • Washington, DC
National Provider Identifier
1205254174
Registry record updated Aug 10, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
MD046205 Issued in DC
Practice address
3800 Reservoir Rd NW # 3PHC
Washington, DC 20007-2113
Phone
(202) 444-8531
Fax
(877) 544-7752
NPI assigned
Mar 28, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 10, 2020

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X D85528 MD
Obstetrics & Gynecology Physician 207V00000X 0101269802 VA
Obstetrics & Gynecology Physician 207V00000X MD046205 DC Primary

Addresses

Primary practice location

3800 Reservoir Rd NW # 3PHC
Washington, DC 20007-2113

Mailing address

3800 Reservoir Rd NW # 3PHC
Washington, DC 20007-2113
Phone (202) 444-8531

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
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
I20181017001232 DC Practitioner - Obstetrics/Gynecology 2466704663 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

2233 Wisconsin Ave NW
Washington, DC 20007-4196
Phone (202) 333-4134

Merit-based Incentive Payment System (MIPS)

Final score
82.97 of 100Reported as group
Quality
72.87
Promoting interoperability
100
Improvement activities
40
Cost
67.82

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD046205DCMDObstetrics & Gynecology Physician
D85528MDMDObstetrics & Gynecology Physician
0101269802VAMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Aug 6, 2020 Accepting new patients
WHC Emerg Phys CurrentSince Aug 26, 2018 Accepting new patients
MGMC, LLC CurrentSince Aug 6, 2020 Accepting new patients
Medstar Medical Group II LLC CurrentSince May 1, 2025 Accepting new patients
WHC Physician Group LLC CurrentSince Aug 26, 2018 Accepting new patients
Medstar Medical Group II LLC CurrentSince May 1, 2025 Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients

Locations

4200 Wisconsin Ave NW
Washington, DC 20016
Phone (202) 243-3400

3800 Reservoir Rd NW
Ste 3PHC
Washington, DC 20007

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

2233 Wisconsin Ave NW
Washington, DC 20007
Phone (202) 333-0329

3800 Reservoir Rd NW
#3
Washington, DC 20007
Phone (202) 444-5221

4200 Wisconsin Ave NW
Ste 4
Washington, DC 20016
Phone (202) 243-3400

1133 21st St NW
Ste 1000
Washington, DC 20036
Phone (202) 223-9040

2233 Wisconsin Ave NW
Fl 3
Washington, DC 20007
Phone (202) 741-1250

110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

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 and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1395964800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1597017600000",
    "number": "1205254174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW # 3PHC",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-8531",
            "fax_number": "877-544-7752"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW # 3PHC",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-8531",
            "fax_number": "877-544-7752"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAZEN",
        "first_name": "NICHOLAS",
        "middle_name": "DUFF",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-03-28",
        "last_updated": "2020-08-10",
        "certification_date": "2020-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MD",
            "license": "D85528",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "VA",
            "license": "0101269802",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "DC",
            "license": "MD046205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.