Active NPI
Ishani Mahi, MBBS
- Hospitalist Physician
- Washington, DC
National Provider Identifier
1497442354
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- MD600005671
- Practice address
- 110 Irving St., NW Medstar Washington Hospital Center,
Department of Internal Medicine
Washington, DC 20010 - Phone
- (202) 877-2835
- Fax
- (202) 877-8288
- NPI assigned
- Apr 20, 2023
- Last updated
- May 21, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | NU | ||
| Internal Medicine Physician | 207R00000X | MD600005671 | DC | |
| Hospitalist Physician | 208M00000X | MD600005671 | DC | Primary |
Addresses
Primary practice location
110 Irving St., NW Medstar Washington Hospital Center,
Department of Internal Medicine
Washington, DC 20010
Mailing address
110 Irving St., NW Medstar Washington Hospital Center,
Department of Internal Medicine
Washington, DC 20010
Phone (202) 877-2835
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
2233 Wisconsin Ave NW
Suite 420
Washington, DC 20007-4122
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD600005671 | DC | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1681948800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779321600000",
"number": "1497442354",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER,",
"address_2": "DEPARTMENT OF INTERNAL MEDICINE",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20010",
"telephone_number": "202-877-2835",
"fax_number": "202-877-8288"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "110 IRVING ST., NW MEDSTAR WASHINGTON HOSPITAL CENTER,",
"address_2": "DEPARTMENT OF INTERNAL MEDICINE",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20010",
"telephone_number": "202-877-2835",
"fax_number": "202-877-8288"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAHI",
"first_name": "ISHANI",
"credential": "MBBS",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-04-20",
"last_updated": "2026-05-21",
"certification_date": "2026-05-21",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "NU",
"license": null,
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "DC",
"license": "MD600005671",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "DC",
"license": "MD600005671",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 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.