Active NPI
John Hanna
- Anesthesiology Physician
- Rockville, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- D34338
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 284871601 | Medicaid | MD | |
| 601285800 | Other | FECA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, DC, VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
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
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| First Colonies Anesthesia Associates, LLC | Anesthesiology | Current | Accepting new patients |
| Inova Cares - Community | Anesthesiology | Current | Accepting new patients |
| American Anesthesiology of Virginia PC | Anesthesiology | Current | Accepting new patients |
| American Anesthesiology of Virginia, PC | Anesthesiology | Current | 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
- 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.
-
- Anesthesiology Physician
- Leesburg, VA
- NPI 1053675199
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Psychiatric Hospital Unit
- Leesburg, VA
- NPI 1285786228
-
- General Acute Care Hospital
- Leesburg, VA
- NPI 1376564302
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.