Individual provider Active NPI

John Hanna

  • Anesthesiology Physician
  • Rockville, MD
National Provider Identifier
1508804873
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D34338 Issued in MD
Practice address
14820 Physicians LN
242
Rockville, MD 20850-3945
Phone
(301) 838-9606
NPI assigned
Jun 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X D34338 MD Primary

Addresses

Primary practice location

14820 Physicians LN
242
Rockville, MD 20850-3945

Mailing address

947 Leigh Mill Rd
Great Falls, VA 22066-2303

Other identifiers 2

IdentifierTypeStateIssuer
284871601MedicaidMD
601285800OtherFECA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, VA3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20040528001143 MD Practitioner - Anesthesiology 4183605645 Reassigns benefits to 2 organizations
I20040609000941 DC Practitioner - Anesthesiology 4183605645 Reassigns benefits to 3 organizations
I20200224001685 VA Practitioner - Anesthesiology 4183605645 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Hahnemann University College of Medicine, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Inova Cares - CommunityGroup PAC ID 9537526330, 187 clinicians

Practice addresses (Care Compare)

3600 Joseph Siewick Dr
Fairfax, VA 22033-1709
Phone (703) 391-3600

44045 Rivderside Pkwy
Leesburg, VA 20176-5101
Phone (703) 858-6000

Hospital & facility affiliations

  • Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
First Colonies Anesthesia Associates, LLC Anesthesiology CurrentSince Apr 1, 2004 Accepting new patients
Inova Cares - Community Anesthesiology CurrentSince Jun 12, 2023 Accepting new patients
American Anesthesiology of Virginia PC Anesthesiology CurrentSince Jan 2, 2020 Accepting new patients
American Anesthesiology of Virginia, PC Anesthesiology CurrentSince Jan 2, 2020 Accepting new patients

Locations

1500 Concord Ter
Fl 5
Sunrise, FL 33323
Phone (954) 384-0175

8600 Old Georgetown Rd
Bethesda, MD 20814
Phone (301) 896-2578

6420 Rockledge Dr
Ste 2100
Bethesda, MD 20817
Phone (301) 896-6700

11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770

11210 Old Georgetown Rd
#12202
Rockville, MD 20852
Phone (301) 881-7770

8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688

3600 Joseph Siewick Dr
Fairfax, VA 22033
Phone (703) 391-3037

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040

19455 Deerfield Ave
Ste 204
Leesburg, VA 20176
Phone (703) 724-9950

Interoperability endpoints

  • Direct secure messaging: jhanna670364@soc.inova.org

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 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": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1508804873",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "947 LEIGH MILL RD",
            "city": "GREAT FALLS",
            "state": "VA",
            "postal_code": "220662303"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14820 PHYSICIANS LN",
            "address_2": "242",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503945",
            "telephone_number": "301-838-9606"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HANNA",
        "first_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D34338",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "284871601",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FECA",
            "identifier": "601285800",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

Verify at the official NPI Registry.