Active NPI
Richard Arthur O'Malley, M.D.
- Internal Medicine Physician
- Towson, MD
National Provider Identifier
1730259607
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- DOO47625
- Practice address
- 120 Sister Pierre Dr Ste 304
Towson, MD 21204-7526 - Phone
- (410) 296-1467
- Fax
- (410) 321-4945
- NPI assigned
- Nov 8, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | DOO47625 | MD | Primary |
Addresses
Primary practice location
120 Sister Pierre Dr Ste 304
Towson, MD 21204-7526
Mailing address
120 Sister Pierre Dr Ste 304
Towson, MD 21204-7526
Phone (410) 296-1467
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
- Opted out of Medicare
- Yes, effective Jul 1, 2015 through Jul 1, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| DOO47625 | MD | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Connecticut Medical Group, LLC | Internal Medicine | Past | Accepting new patients |
| Frederick Health Hospital Inc | Past | Accepting new patients |
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/GAABDA/Endpoint/GAABDA
Organizations & group practices 2
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
-
- Primary Care Nurse Practitioner
- Hamden, CT
- NPI 1366504227
Internal Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1162944000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755648000000",
"number": "1730259607",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "120 SISTER PIERRE DR STE 304",
"city": "TOWSON",
"state": "MD",
"postal_code": "212047526",
"telephone_number": "410-296-1467",
"fax_number": "410-321-4945"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "120 SISTER PIERRE DR STE 304",
"city": "TOWSON",
"state": "MD",
"postal_code": "212047526",
"telephone_number": "410-296-1467",
"fax_number": "410-321-4945"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'MALLEY",
"first_name": "RICHARD",
"middle_name": "ARTHUR",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-11-08",
"last_updated": "2025-08-20",
"certification_date": "2025-08-20",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MD",
"license": "DOO47625",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Towson, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2025; 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.