Individual provider Active NPI

Alley Estelle Ronaldi, M.D.

  • Vascular Surgery Physician
  • Washington, DC
National Provider Identifier
1225491814
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular Surgery PhysicianTaxonomy code 2086S0129X
License
MD600004633 Issued in DC
Practice address
900 23Rd St NW
Washington, DC 20037-2342
Phone
(202) 741-3210
Fax
(202) 741-3238
NPI assigned
Mar 31, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2026

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

Specialties & licenses 7

Specialty (taxonomy)CodeLicenseStatePrimary
Vascular Surgery Physician 2086S0129X 0101265061 VA
Surgery Physician 208600000X 0101265061 VA
Vascular Surgery Physician 2086S0129X 73676 MN
Vascular Surgery Physician 2086S0129X D0105851 MD
Surgery Physician 208600000X 73676 MN
Vascular Surgery Physician 2086S0129X MD600004633 DC Primary
Vascular Surgery Physician 2086S0129X MD494626 PA

Addresses

Primary practice location

900 23Rd St NW
Washington, DC 20037-2342

Mailing address

8901 Wisconsin Ave
Bethesda, MD 20889-0001
Phone (301) 319-4462

Other practice location 1

252 S 4th St Fl 2
Lebanon, PA 17042-6111
Phone (717) 270-3751

Other practice location 2

1 Wyoming St Ste 4130
Dayton, OH 45409-2722
Phone (937) 438-8640

Other practice location 3

200 1st St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Other practice location 4

620 John Paul Jones Cir
Portsmouth, VA 23708-2111
Phone (757) 953-5000

Other practice location 5

Gen Surg Walter Reed National Military Ctr
8901 Wisconsin Avenue
Bethesda, MD 20889-0001
Phone (301) 319-4462

Other practice location 6

179 N Reading Rd
Ephrata, PA 17522-1647
Phone (717) 738-0167

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, OH, PA, MD4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20260129002374 DC Practitioner - Vascular Surgery 7113398645 Reassigns benefits to 2 organizations
I20260202002650 OH Practitioner - Vascular Surgery 7113398645 Reassigns benefits to 1 organization
I20260427000783 PA Practitioner - Vascular Surgery 7113398645 Reassigns benefits to 1 organization
I20260520001535 MD Practitioner - Vascular Surgery 7113398645 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Vascular Surgery
Education
University of Mississippi School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Premier Health Specialists IncGroup PAC ID 5597708594, 576 clinicians

Practice addresses (Care Compare)

1 Wyoming St
Dayton, OH 45409-2722
Phone (937) 208-8000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD600004633DCMDVascular Surgery Physician
D0105851MDMDVascular Surgery Physician
73676MNMDVascular Surgery Physician
0101265061VAMDVascular Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Premier Health Specialists Inc CurrentSince Mar 14, 2026 Accepting new patients
Premier Health Specialists Inc CurrentSince Mar 14, 2026 Accepting new patients
Medical Faculty Associates, Inc Surgery CurrentSince Nov 21, 2025 Accepting new patients
Premier Heart Associates, Inc Past Accepting new patients

Locations

2150 Pennsylvania Ave NW
#6
Washington, DC 20037

900 23rd St NW
Washington, DC 20037
Phone (202) 715-4750

2150 Pennsylvania Ave NW
Washington, DC 20037
Phone (202) 741-2222

1 Wyoming St
Ste 4130
Dayton, OH 45409
Phone (937) 208-6810

1 Wyoming St
Dayton, OH 45409
Phone (937) 208-2636

450 N Hyatt St
Ste 304
Tipp City, OH 45371
Phone (937) 832-4773

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.

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": "1459382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1225491814",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001",
            "telephone_number": "301-319-4462"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 23RD ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200372342",
            "telephone_number": "202-741-3210",
            "fax_number": "202-741-3238"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "252 S 4th St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170426111",
            "country_code": "US",
            "telephone_number": "717-270-3751",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Wyoming St Ste 4130",
            "address_purpose": "LOCATION",
            "city": "Dayton",
            "state": "OH",
            "postal_code": "454092722",
            "country_code": "US",
            "telephone_number": "937-438-8640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 1st St SW",
            "address_purpose": "LOCATION",
            "city": "Rochester",
            "state": "MN",
            "postal_code": "559050001",
            "country_code": "US",
            "telephone_number": "507-284-2511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "620 John Paul Jones Cir",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "VA",
            "postal_code": "237082111",
            "country_code": "US",
            "telephone_number": "757-953-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Gen Surg Walter Reed National Military Ctr",
            "address_2": "8901 Wisconsin Avenue",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208890001",
            "country_code": "US",
            "telephone_number": "301-319-4462",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "179 N Reading Rd",
            "address_purpose": "LOCATION",
            "city": "Ephrata",
            "state": "PA",
            "postal_code": "175221647",
            "country_code": "US",
            "telephone_number": "717-738-0167",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RONALDI",
        "first_name": "ALLEY",
        "middle_name": "ESTELLE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-31",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "VA",
            "license": "0101265061",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "VA",
            "license": "0101265061",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MN",
            "license": "73676",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MD",
            "license": "D0105851",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MN",
            "license": "73676",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "DC",
            "license": "MD600004633",
            "primary": true
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "PA",
            "license": "MD494626",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.