Active NPI
Benjamin B Cooperman, M.D.
- Emergency Medicine Physician
- Elkridge, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- D50293
- Practice address
- PO Box 8653
Elkridge, MD 21075-8653 - Phone
- (301) 909-3210
- NPI assigned
- Sep 5, 2007
- Last updated
- Jun 30, 2025
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | D50293 | MD | |
| Emergency Medicine Physician | 207P00000X | D50293 | MD | Primary |
| Internal Medicine Physician | 207R00000X | D50293 | MD |
Addresses
Primary practice location
PO Box 8653
Elkridge, MD 21075-8653
Mailing address
PO Box 8653
Elkridge, MD 21075-8653
Phone (301) 909-3210
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D50293 | MD | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kaiser Foundation Health Plan of the Mid Atlantic States, Inc | Current | Accepting new patients | |
| Kaiser Foundation Health Plan of the Mid Atlantic States, Inc | Current | Accepting new patients | |
| Kaiser Foundation Health Plan of the Mid Atlantic States, Inc | Current | Accepting new patients | |
| Caton Emergency Physicians | Emergency Medicine | Past | Accepting new patients |
| Maryland Provo-I Medical Services, PC | Emergency Medicine | Past | Accepting new patients |
| Union Memorial Hospital | Past | Accepting new patients |
Locations
900 S Caton Ave
Baltimore, MD 21229
Phone (410) 368-3120
900 S Caton Ave
#134
Baltimore, MD 21229
Phone (410) 368-2000
7070 Samuel Morse Dr
Columbia, MD 21046
Phone (410) 309-4600
7190 Crestwood Blvd
Frederick, MD 21703
Phone (240) 529-1700
1701 Twin Springs Rd
Halethorpe, MD 21227
Phone (410) 737-5000
2101 E Jefferson St
#4E
Rockville, MD 20852
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Health Maintenance Organization
- Halethorpe, MD
- NPI 1043378656
-
dba So. Baltimore County ASC
- Ambulatory Surgical Clinic/Center
- Halethorpe, MD
- NPI 1942546486
-
- Emergency Medicine Physician
- Elkridge, MD
- NPI 1992616775
-
dba Kaiser Permanente Shady Grove Peritoneal Dialysis Facility
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Rockville, MD
- NPI 1962108753
-
- Emergency Medicine Physician
- Baltimore, MD
- NPI 1003829953
-
- Emergency Medicine Physician
- Baltimore, MD
- NPI 1013002096
-
- Multi-Specialty Clinic/Center
- Baltimore, MD
- NPI 1336163781
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1188950400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751241600000",
"number": "1902090707",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 8653",
"city": "ELKRIDGE",
"state": "MD",
"postal_code": "210758653",
"telephone_number": "301-909-3210"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "PO BOX 8653",
"city": "ELKRIDGE",
"state": "MD",
"postal_code": "210758653",
"telephone_number": "301-909-3210"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COOPERMAN",
"first_name": "BENJAMIN",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-09-05",
"last_updated": "2025-06-30",
"certification_date": "2025-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "MD",
"license": "D50293",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "MD",
"license": "D50293",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "MD",
"license": "D50293",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Elkridge, MD
- Compassionate Care ABA, LLC
- Comprehensive Rehab Consultants PLLC
- Concentra Health Services, Inc.
- Convenient Care, LLC
- Dawana Njeri Cooke
- Margaret Eleen Corcoran, GNP
- Thomas Cornish
- Costco Wholesale Corporation (Costco Optical #1000)
- Costco Wholesale Corporation (Costco Hearing Aid #1000)
- Costco Wholesale Corporation
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.