Active NPI
Mallika Umamaheswaran, M.D.
- Pediatric Adolescent Medicine Physician
- Rockville, MD
National Provider Identifier
1386699247
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Adolescent Medicine Physician
- License
- D35334
- Practice address
- 9850 Key West Ave
Suite 312
Rockville, MD 20850-3960 - Phone
- (301) 424-2400
- NPI assigned
- May 22, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Adolescent Medicine Physician | 2080A0000X | D35334 | MD | Primary |
Addresses
Primary practice location
9850 Key West Ave
Suite 312
Rockville, MD 20850-3960
Mailing address
9850 Key West Ave
Suite 312
Rockville, MD 20850-3960
Phone (301) 424-2400
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D35334 | MD | MD | Pediatric Adolescent Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frederick Health Hospital Inc | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148256000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1386699247",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9850 KEY WEST AVE",
"address_2": "SUITE 312",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503960",
"telephone_number": "301-424-2400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9850 KEY WEST AVE",
"address_2": "SUITE 312",
"city": "ROCKVILLE",
"state": "MD",
"postal_code": "208503960",
"telephone_number": "301-424-2400"
}
],
"practiceLocations": [],
"basic": {
"last_name": "UMAMAHESWARAN",
"first_name": "MALLIKA",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-05-22",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080A0000X",
"taxonomy_group": "",
"desc": "Pediatrics, Adolescent Medicine",
"state": "MD",
"license": "D35334",
"primary": true
}
],
"identifiers": [],
"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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.