Individual provider Active NPI

Elizabeth E Holtan, MD

  • Anesthesiology Physician
  • Washington, DC
National Provider Identifier
1184870941
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD040408 Issued in DC
Practice address
3800 Reservoir Rd NW
CCC Building, LL
Washington, DC 20007-2113
Phone
(202) 444-8640
NPI assigned
Aug 13, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Anesthesiology Physician 207L00000X MD040408 DC Primary

Addresses

Primary practice location

3800 Reservoir Rd NW
CCC Building, LL
Washington, DC 20007-2113

Mailing address

3800 Reservoir Rd NW
CCC Building, LL
Washington, DC 20007-2113

Other names 1

  • Elizabeth F Ellen Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD2 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
I20120814000169 DC Practitioner - Anesthesiology 8628224268 Reassigns benefits to 3 organizations
I20260206001980 MD Practitioner - Anesthesiology 8628224268 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Virginia Commonwealth University, School of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians
Anesthesia Company LLCGroup PAC ID 4587559026, 373 clinicians

Practice addresses (Care Compare)

1145 19TH St NW
311 MMG at 19TH Street NW
Washington, DC 20036-3735
Phone (202) 429-2401

18101 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 570-7404

18105 Prince Philip Dr
Olney, MD 20832-1514
Phone (301) 774-8962

2001 Medical Pkwy
Annapolis, MD 21401-3773
Phone (443) 481-1000

3007 Tilden St NW
Suite 5N
Washington, DC 20008-3030

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone (703) 558-1400

Hospital & facility affiliations

  • Medstar Georgetown University Hospital Hospital, Washington, DC, CCN 090004

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD040408DCMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group Anesthesiology LLC Anesthesiology CurrentSince May 1, 2018 Accepting new patients
Anesthesia Company, LLC Anesthesiology CurrentSince Feb 1, 2026 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group Anesthesiology LLC Anesthesiology CurrentSince May 1, 2018 Accepting new patients

Locations

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

3800 Reservoir Rd NW
Lowr
Washington, DC 20007
Phone (202) 444-6680

3800 Reservoir Rd NW
Bldg Ll
Washington, DC 20007
Phone (202) 444-8640

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

2001 Medical Pkwy
Annapolis, MD 21401
Phone (410) 280-5601

7503 Surratts Rd
Clinton, MD 20735
Phone (301) 868-8000

5 N La Plata Ct
Ste 203
La Plata, MD 20646
Phone (240) 307-4700

70 Sherry Ln
Ste 101
Prnc Frederck, MD 20678
Phone (410) 889-2040

8905 Fairview Rd
Silver Spring, MD 20910
Phone (888) 554-0631

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 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": "1218585600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1184870941",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "address_2": "CCC BUILDING, LL",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "address_2": "CCC BUILDING, LL",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-8640"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLTAN",
        "first_name": "ELIZABETH",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-08-13",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "DC",
            "license": "MD040408",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ELIZABETH",
            "last_name": "ELLEN",
            "middle_name": "F",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.